2014 Elementary Tea Art Theoretical Knowledge with Answers

1. In ancient Chinese books, the earliest record of the word "tea" began in _A_.

A. "Book of Songs" B. "Tea Classic" C. "Shen Nong's Materia Medica" D. "Historical Records"

2. Basic teas can be divided into green tea, black tea and oolong tea , white tea, _B_ and dark tea six categories.

A. Scented tea B. Yellow tea C. Green tea D. Spring tea

3. Oolong tea, also known as green tea, is a semi-fermented tea. Mainly produced in Fujian, Guangdong and _C_.

A. Guangxi B. Jiangxi C. Taiwan D. Hainan

4. Chinese scholar-officials and literati painters used tea to meet friends, use tea to write essays, use tea to express their nostalgia, and tea and Mo has already formed an indissoluble bond. The allusion of "tea and ink are both fragrant" is related to which of the following literati? _D_

A. Tang Yin B. Zhao Mengfu C. Wen Zhengming D. Su Shi

5. Tea contains a lot of vitamins, so drinking tea has a good effect on improving eyesight, especially It's _D_.

A. Black tea B. Scented tea C. Dark tea D. Green tea

6. Drinking tea can prolong life, quench thirst and refresh you. Which of the following options are not among the benefits of drinking tea. _D_

A. Prevent tooth decay B. Anti-atom radiation C. Treat scurvy D. Treat cervical spondylosis

7. The world’s first tea encyclopedia is _D_.

A. "Book of Songs" B. "Compendium of Materia Medica" C. "Shen Nong's Materia Medica" D. "Tea Classic"

8. The five famous springs in my country are Zhongleng Spring and Baotu Spring, Huishan Spring, Hupao Spring and _A_.

A. Guanyin Spring B. Yuquan C. Laoshan Spring D. Gulian Spring

9. "The word is passed down by the pot, and the pot is expensive according to the word." After the literati _C_ created the inscriptions on the purple clay pots, it has been passed down. Later, a special division of labor for inscriptions appeared among the purple clay artists.

A. Zheng Banqiao B. Ren Bonian C. Chen Hongshou D. Dong Qichang

10. "Good tea has always been like a beautiful woman" is a famous line from which famous poet in ancient my country? _C_

A. Li Bai B. Du Fu C. Su Shi D. Li Qingzhao

11. The monarch who "cannot live without tea for a day" in the history of our country is _B_.

A. Zhu Yuanzhang B. Emperor Qianlong C. Li Yu D. Emperor Kangxi

12. What plant does the tea tree belong to? _B_

A. Monocotyledonous plant B. Dicotyledonous plant C. Both monocotyledonous and dicotyledonous plant

13. Where does tea originate from? _B_

A. Zhejiang B. Yunnan, Guizhou and Sichuan areas C. Beijing D. Inner Mongolia

14. The hometown of tea - the earliest country in the world to utilize and grow tea is _D_.

A. Japan B. South Korea C. United Kingdom D. China

15. How many steps are there in making green tea? _B_

A. 2 B. 3 C. 4 D. 5

16. What kind of tea does black tea belong to? _C_

A. Unfermented tea B. Semi-fermented tea C. Completely fermented tea D. Slightly fermented tea

17. Which of the following teas is not green tea? _D_

A. West Lake Longjing B. Nan'an Shiting Green C. Eyebrow Tea D. Haima Palace Tea

18. Which of the following teas is not withered tea? _B_

A. White tea B. Dark tea C. Black tea D. Oolong tea

19. How full should the tea soup in the cup be when pouring tea? _C_

A.5, full 6 points B.6, full 7 points C.7, full 8 points D. full

20. Which of the following is not a coaster type? _D_

A. Bowl-shaped B. Tall-shaped C. Disk-shaped D. Round

21. The author of "The Classic of Tea" is _C_.

A. Zhang Youxin B. Li Shizhen C. Lu Yu D. Zhenjun

22. Cai Xiang’s book is _A_.

A. "Records of Tea" B. "Records of Sencha Water" C. "New Tea Preparation Manual" D. "Daguan Tea Treatise"

23. Which of the following options does not belong to Yunnan An important tea-producing area? ＿A＿

A.Northern Yunnan B.Southern Yunnan C.Eastern Yunnan D.Western Yunnan

24. In which dynasty was ordering tea the way of drinking tea? _B_

A. Tang Dynasty B. Song Dynasty C. Ming Dynasty D. Qing Dynasty

25. What kind of tea should expectant mothers not drink? ＿A＿

A. Green tea B. Black tea C. Yellow tea D. Black tea

26. Which of the following teas has the lowest degree of fermentation? ＿A＿

A. White tea B. Black tea C. Black tea D. Jasmine tea

27. The person who is revered as the Tea Saint is _A_.

A. Lu Yu B. Jiao Ran C. Su Shi D. Lu Tong

28. Ancient Chinese literati often compared tea to a symbol of which sentiment? _A_

A. Incorruptible and noble B. Open-minded and eager to learn C. Proud and upright D. Unyielding

29. The author of "Seven Bowls of Tea Poem" is _D_.

A. Lu You B. Su Shi C. Bai Juyi D. Lu Tong

30. Where is West Lake Longjing produced? _A_

A. Zhejiang B. Hunan C. Fujian D. Yunnan

31. The shape of Biluochun is _A_.

A. Curly shape B. Needle shape C. Straight shape D. Flower shape

32. The core idea of ??the Chinese tea ceremony spirit is ＿A＿.

A. and B. Jing C. Qing D. Lian

33. There are some teas in life that people are accustomed to calling "tea", which should be collectively called substitute teas. Which of the following teas does not belong to the tea substitute category? _D_

A. Chrysanthemum B. Kuding tea C. Tartary buckwheat D. Jasmine silver needle

34. Tea sets can be divided into main tea sets and auxiliary supplies according to their functions. The following are main tea sets The group is _D_.

A. Teapot, tea tray B. Tea boat, tea tray C. Tea cup, tea tray D. Teapot, tea Gu

35. In which of the following dynasties did the word "tea" begin to be widely used? _B_

A. Han Dynasty B. Tang Dynasty C. Yuan Dynasty D. Northern and Southern Dynasties

36. In which dynasty was the "Tea Classic" compiled by Lu Yu born? _A_

A. Tang Dynasty B. Han Dynasty C. Yuan Dynasty D. Ming Dynasty

37. The steps for making Pu'er tea are in order _D_.

A. Kill, dry, and roll B. Roll, roll, and dry

C. Dry, roll, and dry D. Kill, roll, and dry

38. Which of the following teas has the largest tea production and consumption in the world? _C_

A. Green tea B. Pu'er tea C. Black tea D. Tieguanyin

39. Which of the following teas has been used as "medicinal tea" since ancient times? _D_

A. Black tea B. Dark tea C. Green tea D. White tea

40. Which of the following tea areas is the oldest tea area in my country? _D_

A. South China Tea Area B. Jiangnan Tea Area C. Jiangbei Tea Area D. Southwest Tea Area

41. Tea drinking habits are common in ethnic minority areas in my country, among which butter tea is the (B) Tea drinking custom.

A. Uighur B. Tibetan C. Mongolian D. ***

42. The ancient tea tree on the first set of tea culture stamps issued by my country is (D)

A. Sichuan Province B. Fujian Province C. Guangdong Province D. Yunnan Province

43. Which type of tea does "Anji White Tea" belong to? (B)

A. Green tea B. Green tea C. Black tea D. White tea

44. In the "Tea Classic" written by Lu Yu, there is a special discussion on the water used for making tea. , the book believes that the most suitable water for making tea is (A)

A. Spring water B. Well water C. River water D. River water

45. Which country in China did the purple clay teapot originate from? Dynasty: (B) A, Song Dynasty B, Ming Dynasty C, Qing Dynasty

46. Among the following teas, the longer the storage time, the better the quality is: (C)

A , Taiping Houkui B, Lu'an Guapian C, Pu'er tea

47. The origin of tea trees in the world is (B) A. Japan B. China C. India

48. Qing Dynasty The modern art of (A) drinking.

A. Oolong Kung Fu tea B. Bai three-course tea C. Ninghong Prince tea D. Yunnan Pu'er tea

49. The spirit of the tea ceremony is the core of (C).

A.Tea production B.Tea trade C.Tea culture D.Tea art

50. Elegance, respecting guests and practicing ethics are the three main social functions of (A).

A. Tea culture B. Bamboo culture C. Stone culture D. Inkstone culture

51. Tea tree likes warmth (B) ventilation, usually the temperature is between 18 degrees Celsius and 25 degrees Celsius. The most suitable space for growth.

A. Dry environment B. Humid environment C. Dark environment D. Cold environment

52. Tea trees are suitable for loose soil and well-drained soil (D) For medium growth, the best pH value is between 4.5 degrees and 5.5 degrees.

A. Neutral B. Acidic C. Slightly acidic D. Slightly acidic

53. The earliest book recording the medicinal use of tea is (A).

A. "Shen Nong's Materia Medica" B. "Daguan Tea Theory" C. "Tea Classic" D. "Tea Records"

54. The meaning of tea culture in a broad sense is (A) .

A. The sum of the material and spiritual wealth of tea B. The relationship between the material and economic value of tea

C. Tea art D. Tea distribution

55. Making tea and drinking tea are the main contents of (C).

A. Tea Ceremony B. Tea Ceremony C. Tea Art D. Tea Banquet

56. The fermentation degree of black tea ceremony is (D), its leaf color is dark red, and the tea soup is vermilion.

A.0% B. 30% C. 50% D.100%

57. To prevent tea from aging and deteriorating, avoid excessive storage time, high water content, and high temperature. and (D).

A. No light exposure B. Light exposure C. Diffuse light exposure D. Sunlight exposure

58. (C) Also known as the "Three Talents Bowl", it contains "the sky covers it, The ground carries it and people nurture it."

A. Rabbit hair cup B. Jade book simmering C. Covered bowl D. Tea lotus

59. (D) Porcelain is known as "thin as paper, white as jade, bright as a mirror, sound-sounding" "Like a chime".

A. Dehua, Fujian B. Changsha, Hunan C. Longquan, Zhejiang D. Jingdezhen, Jiangxi

Water temperatures around 60 and 90 degrees Celsius are more suitable for brewing (B) tea.

A. Green tea B. Black tea C. Tuocha D. White tea

61. Pay attention to the boiling of water in the basic brewing process (　A).

A. Different tea qualities require different water temperatures. B. Different tea shapes require different water temperatures.

C. Choose different boiling vessels for different tea varieties. D. Boil water for different tea varieties. The time required is different

62. When guests enter the tea room, the tea master should greet them with a smile and extend cordial greetings. Through (B) an amiable face, the guests will feel comfortable as soon as they enter the door.

A. Relaxing music B. Beautiful language C. Warm handshake D. Serious etiquette

63. Among the following options, (D) does not meet the requirements of warm and thoughtful service .

A. When guests talk in low voices, you should take the initiative to reply B. Listen carefully to the guests' requests and repeat them to the guests if necessary

C. When guests talk, do not listen attentively D .When guests have something to say, they should rush forward and ask.

64. It is best to use (C) to brew green tea.

A. Purple clay pot B. Covered bowl C. Glass cup D. Porcelain pot

65. The three most highly fragrant teas in the world are (B), Indian Darjeeling tea, and Sri Lankan Uva. Seasonal tea.

A. West Lake Longjing B. Keemun Black Tea C. Anxi Tie D. Taiwan Dongding Oolong

66. The appearance of tea leaves with "pekoe exposed" is the quality characteristic of (C) one.

A. Huangshan Maofeng B. West Lake Longjing C. Biluochun D. Tieguanyin

67. (D) is a unique function of tea.

A. Produces fluid and quenches thirst B. Strengthens the stomach and eliminates food C. Invigorates the spirit D. Eliminates ionizing radiation and resists radiation

68. It has the three green characteristics of "green color, green soup and green leaves" is (C).

A. Roasted green tea B. Fried green tea C. Steamed green tea D. Sun-dried green tea

69. (A) has better air permeability, water absorption and thermal insulation .

A. Purple clay pot B. Covered bowl C. Glass cup D. White porcelain pot

70. The title of the world’s first tea book is (　D　).

A. "Essentials for Tasting Tea" B. "Illustrated Praise for Tea Sets" C. "Tea Tea" D. "Tea Classic"

71. Oolong tea belongs to the green tea category. Semi-fermented tea, its tea leaves are dark green or green-brown, and the tea soup is (　D) color.

A. Green B. Light green C. Yellow-green D. Honey yellow

72. Theabrownin is the flavoring substance of black tea. An increase in its content is detrimental to the quality, mainly Is to make (C).

A. The tea soup is red, and the bottom of the leaves is dark brown. B. The tea soup is red and bright, and the bottom of the leaves is dark brown.

C. The tea soup is dark, and the bottom of the leaves is dark brown. D. The tea soup is yellow. The bottom of the leaves is dark brown

73. The objective criteria for judging good tea are mainly from the uniform appearance, color, clarity and inner quality of the tea leaves (D).

A. Color of soup B. Bottom of leaves C. Variety D. Aroma and taste

74. Pay attention to the process of boiling water in the basic process of tea brewing (　A　).

A. Different tea leaves require different water temperatures. B. Different tea producing areas require different boiling water temperatures.

C. Choose different boiling vessels according to different tea sets. D. Different tea processing methods. The time required is different

75. Tea contains (C) a variety of chemical components.

A, 100 B, 200 C, 500 D, 1000

76. The English word for "black tea" is (B)

A. Red tea, B . Black tea, C. Oolong tea, D. Yellow tea

77. Yuhua tea is the representative of (C) famous and high-quality green tea.

A. Sheet shape B. Flat shape C. Needle shape D. Curly shape

78. Dongting Mountain in Wuxian County, Jiangsu Province is the origin of (C　).

A. Dafang tea B. Yuhua tea C. Biluochun D. Green peony

79. Wuyi rock tea is the representative of (A) oolong tea.

A. Northern Fujian B. Southern Fujian C. Tainan D. Taipei

80. Pu'er tea is mainly produced in province (D) and is a non-pressed dark tea.

A. Hainan B. Hunan C. Guangxi D. Yunnan

81. "Yushu Simmer, Chaoshan Stove, Mengchen Jar, and Ruochen Cup" are (D) must-haves "Four Treasures".

A. Sichuan Gaiwan Tea B. Tibetan Butter Tea C. Hakka Lei Tea D. Chaoshan Gongfu Tea

82. (B) Also known as "Sansheng Soup", its main raw material is Tea, ginger, uncooked rice.

A. Milk tea B. Lei tea C. Bamboo tube tea D. Butter tea

83. (C) is the tea drinking custom of the Dong people.

A. Salty milk tea B. Bamboo tube tea C. Oil tea D. Butter tea

84. "Dragon and Tiger Fighting" is the Naxi people's secret recipe for treating (　C　).

A. Fracture B. Stomach disease C. Cold D. Relieve summer heat

85. When brewing the ingredients tea of ??chrysanthemum and wolfberry with green tea, the brewing water temperature is (C) should.

A. 30℃ B. 50℃ C. 80℃ D. 100℃

86. The spirit of tea art of ancient literati is the pursuit of "fine (D) purity and harmony".

A. True B. Cheap C. Beautiful D. Frugal

87. Black tea is a fully fermented tea with dark brown and shiny tea leaves and a tea soup color (B).

A. Orange B. Bright red C. Purple red D. Yellow

88. During the tea art demonstration, the basic procedures for brewing tea are: preparing utensils, boiling water, preparing tea, Warm the pot (cup), place the tea, serve the tea, and collect the utensils.

A. High flush B. Cup washing C. Brewing D. Drenching pot

89. The three basic elements for making a cup of tea scientifically are: (D).

A. Tea set, tea variety, warming pot B. Tea setting, warming pot, brewing

C. Tea set, pot temperature, soaking time D. Tea amount, water temperature, soaking Time

90. The astringent substances in tea are mainly (C)

A. Protein B. Crude cellulose C. Tea polyphenols D. Amino acids

91. The aroma characteristics of Biluochun are (　D　).

A. Sweet and mellow with honey aroma B. Sweet and mellow with chestnut aroma C. Fresh and tender with honey aroma D. Fresh and tender with floral and fruity aroma

92. Representative of southern Fujian Oolong teas include (A), Golden Gui, Yongchun Bergamot, Hairy Crab, etc.

A. Tieguanyin B. Dahongpao C. Narcissus D. Cinnamon

93. Junshan Silver Needle belongs to category (C).

A. Green tea B. Black tea C. Yellow tea D. Scented tea

94. The "three teas" of the Bai people in Yunnan are (　D　).

A. One bitterness, two aftertaste and three sweetness B. One sweetness, two bitterness and three aftertaste

C. One sweetness, two aftertaste and three bitterness D. One bitterness, two sweetness and three aftertaste

95. The appropriate time for brewing and drinking black tea is generally ( D ) minutes.

A, 15~20 B, 10~15 C, 5~10 D, 3~5

96. The concept of tea sets first appeared in the Western Han Dynasty (　D) Buy tea in Wuyang and have everything you need to make tea."

A. Wang Bao's "Tea Book" B. Lu Yu's "Tea Book" C. Lu Yu's "Tea Book" D. Wang Bao's "Tong Yue"

Comparison of water temperatures at 97 and 80°C Suitable for brewing (D) tea.

A. White tea B. Scented tea C. Tuocha D. Famous green tea

98. 100℃ water temperature is most suitable for brewing (D) tea

A. Longjing tea B, Biluochun C, Huangshan Maofeng D, Tieguanyin

99. The tea the French drink and the way they drink it vary from person to person. Most people drink (A), and the way of drinking it is Similar to the British.

A. Black tea B. Green tea C. ) Scented tea D. White tea

Baidu does not allow you to write too much here. If possible, you can go to Zui Sha Di to have a look yourself. The 10th set of test questions for junior fitter theoretical knowledge. I need the answer urgently!

Elementary fitter theoretical knowledge test questions

The tenth set of test questions

1. Judgment questions (fill in the judgment results in the brackets after the questions, and mark the correct ones with "√ ", mark "×" for errors. Each question is worth 1 point, with a total score of 30 points.)

1. Assembly drawings are an important tool for expressing design intentions and conducting technical communication. ( )

2. Tool pass is a process in which the cutting tool cuts the machined surface multiple times. ( )

3. Casting is a metal cutting method for manufacturing blanks of mechanical parts. ( )

4． Turning processing can turn outer circles, end faces, grooving and cutting, etc., but threads and disc springs cannot be turned. ( )

5． Reasonable selection of the marking benchmark is the key to improving the quality and efficiency of marking. ( )

6． The quick-change drill chuck allows you to change the drill bit without stopping, which greatly improves productivity. ( )

7． The accuracy requirements for scraped surfaces generally include shape and position accuracy, dimensional accuracy, contact accuracy, surface roughness, etc. ( )

8． The surface structure of the workpiece after scraping is looser than the original and the hardness is reduced. ( )

9． The dimensional accuracy after grinding can reach 0.01~0.05 mm. ( )

10. Low carbon steel has good plasticity and is not easy to break. It is often used to make small grinding tools. ( )

11． Straightening thin sheets does not extend the sheet area, but uses the principle of tension or compression to stretch or compress the sheet. ( )

12. After the workpiece is bent and unloaded, the bending angle and bending radius will change, and springback will occur. ( )

13. The riveting of low-pressure vessel devices should be strong riveting. ( )

14. Organic binders are characterized by their ability to withstand high temperatures but have low strength. ( )

15. When assembling double-headed studs, their centerline must be perpendicular to the surface of the machine body. ( )

16． The loose key connection can ensure a high coaxiality between the shaft and the parts on the shaft. ( )

17. When connecting with a wedge key, both sides of the key are the working surfaces, and there is a certain gap between the top of the key and the keyway. ( )

18. When driving with a belt, the wrapping angle of the belt on the pulley cannot be less than 120°. ( )

19. The meshing backlash of the two gears has nothing to do with the center distance deviation. ( )

20. The advantage of worm drive is high transmission efficiency, but it generates a lot of heat during operation, so it must have good lubrication.

( )

21. The main technical requirement for coupling assembly is to ensure the coaxiality of the two shafts. ( )

22. The quality of assembly work may have a certain impact on product quality. ( )

23. A bench vise is a universal fixture used to hold workpieces. ( )

24. The distance between the grinder bracket and the grinding wheel should be kept within 0.3mm. ( )

25. When selecting a measuring block group, the smallest number of blocks should be used as much as possible. The more blocks, the greater the error. ( )

26. Feeler gauges are made of thin steel sheets, so they can measure workpieces with higher temperatures. ( )

27. Felt ring and rubber oil seal sealing devices have a simple structure but large friction, so they are suitable for use when the movement speed is not high. ( )

28. The phenomenon that mechanical parts, tools, or molds lose their original functions due to some reasons is called fatigue failure. ( )

29. The methods for inspecting gear tooth side clearance include lead wire inspection and dial indicator inspection. ( )

30. Before starting the machine, the feeding mechanism should usually be in the "stop" position, and the safety protection device should be carefully checked to ensure that it is reliable.

2. Multiple-choice questions (Choose the correct answer and fill in the corresponding letters in the brackets in the question. Each question is worth 1 point, with a total score of 40 points.

)

1. When writing the limit deviation in the parts drawing, the decimal points of the upper and lower deviations should be aligned, the number of decimal places should be the same, and the deviation should be zero ( ).

A. Must be marked B. No need to mark C. Explain in words D. Represent with symbols

2. The processing dimensions determined by marking can be used ( ) to ensure dimensional accuracy during the processing.

A. Measure b. Alignment C. Borrow materials D. Adjustment

3. Generally, the scribing accuracy can reach ( ).

A. 0.025～0.05mm B. O.25～0.5mm

C. About 0.25mm D. About O.5mm

4. When the hole precision requirements are high and the surface roughness value is small, the cutting fluid that mainly plays the role of ( ) should be selected during processing.

A. Lubrication b. Cooling C. Cooling and lubrication

5. The scraping allowance left after mechanical processing should not be too large, generally ( ) mm.

A. 0.05～0.4 B. 0.04～0.05 C. 0.4～0.5

6. When performing fine scraping, if some shiny grinding points appear after grinding, it should be ( ).

A. Scrape lightly B. Scrape harder C. Scrape with moderate severity

7. The material of the grinding tool should be smaller than the workpiece being ground ( ).

A. soft b． hard c. Soft and hard are the same

8. The abrasives mainly used for grinding carbon tool steel, alloy tool steel, high-speed steel and cast iron workpieces are ( ).

A. Carbide abrasive B. Oxide abrasives C. Diamond abrasives

9. Cold straightening is only applicable to ( ) materials due to the phenomenon of cold work hardening.

A. Good rigidity and serious deformation B. Good plasticity and not serious deformation C. Good rigidity and not serious deformation

10. All rivets with a diameter below 8 mm are used ( ).

A. Hot riveting B. Cold riveting C． Hybrid riveting

11. The surface of the bonded joint should be ( ).

A. Rougher B. Thinner C． Uniform thickness

12. Mechanical anti-loosening devices for bolted connections include ( ) anti-loosening devices.

A. Stop washer B. Spring washer C. Double nut locking

13. The loose key connection can ensure that the shaft and the parts on the shaft have a high ( ).

A. Coaxiality B． Verticality c. Parallelism

14. The specifications of the tapered pin are expressed in ( ) and length.

A. Small head diameter B. Large head diameter C. Intermediate diameter

15. After the two sprockets are assembled, when the center distance is less than 500 mm, the axial offset should be below ( ) mm.

A. 1B． 2C. 3

16. When the cylindrical gear is installed, the contact spots are in eccentric contact in opposite directions. The reason is that the two gears ( ).

A. Axis skew B. The axes are not parallel C. The center distance is too large or too small

17. When the interference between the inner ring of the rolling bearing and the journal is too large, the assembly method can be used ( ).

A. Knock-in method B. Press-in method C. Thermometry

18. The assembly method whose assembly accuracy completely depends on the machining accuracy of parts is ( ).

A. Complete interchange method B. Matching method C. Adjustment method

19. The distance between the grinder bracket and the grinding wheel should be kept within ( ) mm to prevent accidents caused by the workpiece being stuck in.

A. 5B． 4C. 3

20. The accuracy of the vernier height gauge is generally ( ) mm.

A. O.1 B. 1C. O.02 D. O.05

21. Dimensions must comply with the requirements of ( ) standards.

A. Enterprise B. country c. Industry D. Ministry-issued

22. M10 means ( ) is a 10 mm coarse thread.

A. Medium diameter B. Trail c. Large diameter D. Pitch diameter

23. The direction of the markings on the inside micrometer and the direction of the markings on the outside micrometer ( ).

A. Same b. On the contrary c. Cross D. Vertical

24． When measuring the workpiece with a dial indicator, the long pointer rotates once and the gear rod moves ( ) mm.

A. 2B． 1C. 10 D． 0.1

25. The algebraic difference between the maximum limit size of the hole and the minimum limit size of the shaft is a negative value called ( ).

A. Maximum interference B． Maximum gap C. Minimum interference D. Minimum gap

26. The standard flat plate is inspected, marked and scraped ( ).

A. Basic measuring tools B. General measuring tools C. Basic Tools

27. The gear is fixed on the shaft. When a large interference is required, ( ) should be used.

A. Loading by tapping method B. Press in C. Hydraulic fitting assembly D. Stamping assembly

28. During turning, the rotational motion of the workpiece is ( ).

A. Main movement b. Feed motion C. Assisted exercise D. Cutting motion

29. The higher the strength and hardness of the workpiece material, the higher the cutting force ( ).

A. The smaller B. The bigger C． Generally unchanged D. The size remains unchanged

30. The symbol of Brinell hardness is represented by ( ).

A. HRC B. HV C. HD D. HB

31. The alloy of copper and tin is called ( ) copper.

A. Purple B. Pure C. Green D． Huang

32. The safe voltage is ( )V or less.

A. 220 b. 380 C. 12D. 36

33. The 22 in the single-head wrench 22 refers to ( ).

A. Diameter of bolts to be tightened B. The length of the bolts to be tightened

C. The outer diameter of the hexagonal head of the screwed bolt D. The distance between opposite sides of the hexagonal heads of the bolts being tightened

34. After the material is bent, the layer whose length remains unchanged is called ( ).

A. Middle layer B. Neutral layer C. Center layer D. Inner layer E

35. The material after cold work hardening brings difficulties to further correction or other cold processing. If necessary, it can be treated with ( ) to restore the material to its original mechanical properties.

A. Quenching B. Tempering C. Annealing

36. The rake angle of an ordinary hand tap is generally ( ).

A. 5°～8° B. 8°～10° C. 10°～12° D. 9°～1l°

37. The taper angle parts at both ends of the die are the ( ) parts.

A. Clamping B. Cutting c. Orientation D. Tail

38. The grinding allowance is generally suitable within ( ) mm.

A. 0.5～1 B. 3～5 C. 0.005～0.03 D. 0.03～0.05

39. Assembly is to combine several ( ). The process of assembling a machine.

A. Parts B. Parts C. Components D. Parts and components

40. The drill bit consists of ( ) and a tail.

A. Work part B. Cutting part C. Guidance part D. Neck

3. Multiple-choice questions (Each question below has multiple options, at least 2 of which are correct. Please fill in the code of the correct answer in the blank space. 1 for each question points, ***30 points).

1. Assembly drawing is an important tool for ( ).

A. Counterfeit B. Maintenance c. Express design intent

D. Guide production E. Conduct technical exchanges

2. The special expression methods of assembly drawings are ( ).

A. Imaginary drawing B. Surveying and drawing method C． Simplify the drawing method

D. Disassembly painting method E. Expand the drawing method

3. The production process includes ( ) two parts.

A. Main process b. Auxiliary process C. Inspection process

D. Assembly process E. Transportation process

4. The geometric shape of the workpiece is composed of ( ).

A. Point B. Line C, surface D. Body

5. Scrapers can be divided into three types ( ) according to the accuracy requirements of the scraped surface.

A. Flat scraper B. Coarse scraper C. Curved scraper D. Thin scraper E. Precision scraper

6. There are two commonly used display agents ( ).

A. Iron oxide b. Lead oxide c. Red red powder D. Blue powder E． Blue oil

7. Gear transmission can be divided into ( ) according to its structural characteristics.

A. Parallel shaft transmission B. Intersecting shaft drive C. Staggered shaft transmission D. Vertical shaft transmission

8. The main materials of grinding tools include ( ), etc.

A. Gray cast iron B. Ductile iron C. Carbon steel D. Mild steel E. Copper

9. Carbide abrasives are mainly used for grinding high-hardness workpieces such as ( ).

A. Carbide B. gem c. agate d. Ceramics e. Hard chromium

10. According to the method of generating correction force during correction, correction can be divided into ( ) and so on.

A. Manual correction b. Pressure correction c. Flame correction

D. Mechanical correction E. High-frequency hot spot correction

11. The forms of riveting can be divided into ( ).

A. Single cover connection B. Double cover connection C. Overlap D. Docking E. Corner joint

12. Welding is divided into three categories ( ).

A. Manual arc welding b. Soldering C． Fusion welding D. Pressure welding E． Brazing

13. Commonly used anti-loosening devices for threaded connections are ( ).

A. Spring washer to prevent loosening B. Friction to prevent loosening C. Mechanical anti-loosening

D. Impact and anti-loosening E. Bonding to prevent loosening

14. There are three types of loose key connections ( ).

A. Ordinary flat key connection B. Spline connection C． Wedge bond connection

D. Semicircular key connection E. Guided flat key connection

15. Pins are divided into ( ) according to their structural forms.

A. Cylindrical pin B. Positioning pin C. Taper pin D. Cotter pin E. Safety pin

16. Before the gear shaft assembly is installed into the box, three inspections should be carried out, including ( ).

A. Dimensional accuracy and shape accuracy of holes and flat surfaces

B. Mutual perpendicularity between the hole and the plane

C. The mutual parallelism of the hole and the plane

D. The mutual position of the hole and the plane

E. Surface roughness and appearance quality of holes and planes

17. The assembly process includes ( ) and other tasks, and its workload accounts for a large proportion of the total workload of mechanical manufacturing.

A. Assembly b. Processing c. Adjust D. Detection E. Test

18. The commonly used assembly method in machinery manufacturing is ( ).

A. Whole machine assembly method B Interchange assembly method C. Group assembly method

D. Adjust assembly method E. Repair and assembly method

19. There are many types of measuring tools, which can be divided into three types ( ) according to their different uses and characteristics.

A. Precision measuring tools b. Universal energy tool C. Special measuring tools

D. Standard measuring tools E. Inspection measuring tools

20. Common forms of surface failure include ( ).

A. Friction failure b. Wear failure C. Destruction failure

D. Fatigue failure E. Corrosion failure

21. Commonly used in belt drives are with ( ).

A. V belt B. Triangle belt C. Trapezoidal belt D. Flat belt

22. Steel can be divided into ( ) according to its use.

A. High speed steel B． Structural steel c. Tool steel D. Special purpose steel

23. When making punches on the drawn lines, they must be at ( ) of the lines.

A. Arc B. Crossover c. Turning point D. Endpoint

24. Chisels can be divided into ( ).

A. Flat chisel B. Wide chisel C. Narrow chisel D. Oil tank chisel

25. The basic filing methods are ( ).

A. File forward B. Cross filing c. Push the file D. Reverse filing

26. Riveting can be divided into ( ) according to usage requirements.

A. Movable riveting B. Fixed riveting C. Cold riveting D． Hot riveting

27. Equipment commonly used by fitters include ( ).

A. Benchtop drilling machine B. Vertical drilling machine C． Bench vise D. Grinding machine E. Lathe

28. The tolerance zone of holes and shafts is determined by ( ).

A. Basic deviation B. Dimensional tolerance C． Size D. Accuracy

29. Cutting amount refers to the general term ( ).

A. Cutting depth B. Cutting speed c. Feed amount D. Cutting width

30. Reamers are divided into ( ) according to the shape of the reaming hole.

A. Conical reamer B. Cylindrical reamer C. Plane reamer D. Answers to the Curved Reamer Art Makeup Artist Advanced Theoretical Knowledge Test Paper d

Answer - Makeup artists have years of academic performance and academic qualifications after engaging in professional work in a professional position. The unit will submit the application for evaluation according to the conditions. It is very strict. , not for the exam. Answers to 2015 Advanced Ship Welder Theory Knowledge Questions

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Explanation of terms (A)

1. [Basic knowledge of process] Weld bead: A single pass weld formed by each deposition.

2. [Basic knowledge of the process] Residual hydrogen: hydrogen that remains in the weld metal after the diffused hydrogen in the weldment has fully escaped.

3. [Basic knowledge of the process] Welding fixture: A fixture used to ensure the size of the welded parts, improve assembly efficiency, and prevent welding deformation. Some basic theoretical knowledge about clean rooms?

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