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- Question
The surface to be machined is marked on the pattern by
Options- A. red colour
- B. yellow colour
- C. black colour
- D. blue colour
- Correct Answer
- red colour
- 1. 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
- 2. Cold working of metal increases
Options- A. tensile strength
- B. yield strength
- C. hardness
- D. all of these Discuss
- 3. 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
- 4. Forming is the operation of removing metal to the desired shape from the edge of a plate.
Options- A. Correct
- B. Incorrect Discuss
- 5. The recrystallisation temperature of steel is
Options- A. 400° C
- B. 600° C
- C. 800° C
- D. none of these Discuss
- 6. The consumable electrode is used in
Options- A. carbon arc welding
- B. submerged arc welding
- C. TIG arc welding
- D. MIG arc welding Discuss
- 7. The operation of cutting a sheet of metal in a straight line along the length, is known as
Options- A. plunging
- B. notching
- C. slitting
- D. forming Discuss
- 8. The flux commonly used in brazing is
Options- A. zinc chloride
- B. ammonium chloride
- C. rosin plus alcohol
- D. borax Discuss
- 9. A diamond pointed chisel is used for cutting
Options- A. flat surfaces
- B. grooves
- C. keyways
- D. V-shaped grooves Discuss
- 10. In electric resistance welding, pressure applied varies from
Options- A. 1 to 5 MPa
- B. 5 to 10 MPa
- C. 10 to 25 MPa
- D. 25 to 55 MPa Discuss
Workshop Technology problems
Search Results
Correct Answer: forward stroke
Correct Answer: all of these
Correct Answer: 0.025 to 3 mm
Correct Answer: Incorrect
Correct Answer: 800° C
Correct Answer: MIG arc welding
Correct Answer: slitting
Correct Answer: borax
Correct Answer: V-shaped grooves
Correct Answer: 25 to 55 MPa
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