Discussion
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- Question
The recrystallisation temperature of steel is
Options- A. 400° C
- B. 600° C
- C. 800° C
- D. none of these
- Correct Answer
- 800° C
- 1. In fore-hand welding, the angle between the welding torch and the work is __________ as compared to back-hand welding.
Options- A. same
- B. less
- C. more Discuss
- 2. The oxygen cylinder is usually painted with
Options- A. black colour
- B. white colour
- C. maroon colour
- D. yellow colour Discuss
- 3. When filing soft metals, the file teeth are clogged with minute particles of metal. The file should be cleaned by
Options- A. washing it with water
- B. rubbing on wood
- C. washing it with dilute acid
- D. using file card Discuss
- 4. Linde welding uses
Options- A. neutral flame and right-ward technique
- B. oxidising flame and left-ward technique
- C. neutral flame and left-ward technique
- D. carburising flame and right-ward technique Discuss
- 5. A large electrode is used in un-shielded arc welding.
Options- A. Correct
- B. Incorrect Discuss
- 6. Forming is the operation of removing metal to the desired shape from the edge of a plate.
Options- A. Correct
- B. Incorrect Discuss
- 7. Seam welding is best adopted for metal thickness ranging from
Options- A. 0.025 to 3 mm
- B. 3 to 5 mm
- C. 5 to 8 mm
- D. 8 to 10 mm Discuss
- 8. Cold working of metal increases
Options- A. tensile strength
- B. yield strength
- C. hardness
- D. all of these Discuss
- 9. A hacksaw blade cuts on the
Options- A. forward stroke
- B. return stroke
- C. both forward and return strokes
- D. cutting depends upon the direction of force Discuss
- 10. The surface to be machined is marked on the pattern by
Options- A. red colour
- B. yellow colour
- C. black colour
- D. blue colour Discuss
Workshop Technology problems
Search Results
Correct Answer: less
Correct Answer: black colour
Correct Answer: using file card
Correct Answer: carburising flame and right-ward technique
Correct Answer: Correct
Correct Answer: Incorrect
Correct Answer: 0.025 to 3 mm
Correct Answer: all of these
Correct Answer: forward stroke
Correct Answer: red colour
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