Discussion
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- Question
According to Indian standards, the total number of tolerance grades are
Options- A. 8
- B. 12
- C. 18
- D. 20
- Correct Answer
- 18
- 1. A casting defect which results in general enlargement of a casting is known as
Options- A. shift
- B. sand wash
- C. swell
- D. scab Discuss
- 2. In fore-hand welding, the angle between the welding rod and the work is kept as
Options- A. 30°-40°
- B. 40°-50°
- C. 50°-60°
- D. 60°-70° Discuss
- 3. To prevent the body of the blade from jamming in the saw cut, the teeth of blade are
Options- A. strengthened
- B. sharpened
- C. set
- D. all of these Discuss
- 4. The process extensively used for making bolts and nuts is
Options- A. hot piercing
- B. extrusion
- C. cold peening
- D. cold heading Discuss
- 5. Rotary swaging
Options- A. is extensively used for making bolts and rivets
- B. is used for reducing the diameters of round bars and tubes by rotating dies which open and close rapidly on the work
- C. is used to improve fatigue resistance of the metal by setting up compressive stresses in its surface
- D. consists of pressing the metal inside a chamber to force it out by high pressure through an orifice which is shaped to provide the desired form of the finished part Discuss
- 6. The electron beam welding can be carried out in
Options- A. open air
- B. a shielded gas environment
- C. vacuum
- D. a pressurised inert gas chamber Discuss
- 7. The binder commonly used in making oil sand, is
Options- A. clay-type binder
- B. organic-type binder
- C. inorganic-type binder
- D. any one of these Discuss
- 8. The upsetting is a process of
Options- A. increasing the cross-section of a bar
- B. reducing the cross-section of a bar
- C. joining the two surfaces of metal under pressure after heating
- D. bending of a bar Discuss
- 9. Which of the following statement is wrong?
Options- A. The angular clearance on dies varies from 0.5° to 1°.
- B. In drawing operation, the metal flows due to plasticity.
- C. In press operation, the size of the pierced hole is independent of the size of punch.
- D. none of the above Discuss
- 10. In spot welding, the distance between the nearest edge of the plate and centre of weld should be equal to
Options- A. d
- B. 1.5 d
- C. 3 d
- D. 6 d Discuss
Workshop Technology problems
Search Results
Correct Answer: swell
Correct Answer: 30°-40°
Correct Answer: set
Correct Answer: cold heading
Correct Answer: is used for reducing the diameters of round bars and tubes by rotating dies which open and close rapidly on the work
Correct Answer: vacuum
Correct Answer: organic-type binder
Correct Answer: increasing the cross-section of a bar
Correct Answer: none of the above
Correct Answer: 1.5 d
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