Workshop Technology problems
- 1. 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
Correct Answer: slitting
- 2. The flux commonly used in brazing is
Options- A. zinc chloride
- B. ammonium chloride
- C. rosin plus alcohol
- D. borax Discuss
Correct Answer: borax
- 3. A diamond pointed chisel is used for cutting
Options- A. flat surfaces
- B. grooves
- C. keyways
- D. V-shaped grooves Discuss
Correct Answer: V-shaped grooves
- 4. 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
Correct Answer: 25 to 55 MPa
- 5. Lap joints are employed on plates having thickness
Options- A. less than 3 mm
- B. 5 to 10 mm
- C. 12.5 mm
- D. above 25 mm Discuss
Correct Answer: less than 3 mm
- 6. A file with 20 teeth in 25 mm is called
Options- A. rough file
- B. bastard file
- C. second cut file
- D. smooth file Discuss
Correct Answer: rough file
- 7. The length of hacksaw blade is the distance between the outside edges of the holes which fits over the pins.
Options- A. Agree
- B. Disagree Discuss
Correct Answer: Agree
- 8. Acetylene gas is stored in cylinders in
Options- A. solid form
- B. gaseous form
- C. liquid form
- D. any one of these Discuss
Correct Answer: liquid form
- 9. Neutral flame is usd to weld
Options- A. steel
- B. cast iron
- C. copper
- D. all of these Discuss
Correct Answer: all of these
- 10. In electric resistance welding, pressure is applied just after the completion of current.
Options- A. True
- B. False Discuss
Correct Answer: True
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