Workshop Technology problems
- 1. The welding set up is said to have reversed polarity when the work is connected to the negative terminal and the electrode holder to the positive terminal.
Options- A. Agree
- B. Disagree Discuss
Correct Answer: Agree
- 2. Most of the oxy-acetylene welding is done with
Options- A. neutral flame
- B. oxidising flame
- C. carburising flame
- D. all of these Discuss
Correct Answer: neutral flame
- 3. In a compound die
Options- A. only one operation is performed at each stroke of the ram
- B. two or more operations are performed simultaneously at the single stroke of the ram
- C. two or more cutting operations are performed at one station of the press in every stroke of the ram
- D. both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram Discuss
Correct Answer: two or more cutting operations are performed at one station of the press in every stroke of the ram
- 4. A rip saw
Options- A. is a two man saw
- B. is used for cutting along the grains of wood
- C. has a narrow blade with two wooden handles
- D. all of the above Discuss
Correct Answer: is used for cutting along the grains of wood
- 5. Notching is the operation of
Options- A. cutting a sheet of metal in a straight line along the length
- B. removal of metal to the desired shape from the edge of a plate
- C. cutting a sheet of metal through part of its length and then bending the cut portion
- D. bending a sheet of metal along a curved axis Discuss
Correct Answer: removal of metal to the desired shape from the edge of a plate
- 6. In order to check the clearance between two mating surfaces, a __________ gauge should be used.
Options- A. ring
- B. plug
- C. feeler Discuss
Correct Answer: feeler
- 7. In order to cut mild steel, the cutting angle of chisel should be
Options- A. 30°
- B. 45°
- C. 50°
- D. 60° Discuss
Correct Answer: 60°
- 8. For obtaining a cup of diameter 25 mm and height 15 mm by drawing, the size of the round blank should be approximately
Options- A. 42 mm
- B. 44 mm
- C. 46 mm
- D. 48 mm Discuss
Correct Answer: 46 mm
- 9. The operation of bending a sheet of metal along a curved axis, is known as
Options- A. plunging
- B. notching
- C. slitting
- D. forming Discuss
Correct Answer: forming
- 10. A two high rolling mill consists of two rolls which rotate
Options- A. at the same speed and in the same direction
- B. at the same speed but in opposite direction
- C. at different speeds and in the same direction
- D. at different speeds and in the opposite direction Discuss
Correct Answer: at the same speed but in opposite direction
More in Mechanical Engineering:
Programming
Copyright ©CuriousTab. All rights reserved.