Discussion
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- Question
The correct sequence for preparing a billet for extrusion process is pickling, alkaline cleaning, phosphate coating and lubricating with reactive soap.
Options- A. Yes
- B. No
- Correct Answer
- Yes
- 1. In order to get uniform thickness of the plate by rolling process, one provides
Options- A. camber on the rolls
- B. offset on the rolls
- C. hardening of the rolls
- D. antifriction bearings Discuss
- 2. The shrinkage allowance for cast iron pattern is
Options- A. 10 mm/m
- B. 16 mm/m
- C. 20 mm/m
- D. 26 mm/m Discuss
- 3. 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
- 4. 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
- 5. 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
- 6. In a unilateral system of tolerance, the tolerance is allowed on
Options- A. one side of the actual size
- B. one side of the nominal size
- C. both sides of the actual size
- D. both sides of the nominal size Discuss
- 7. A file removes the metal during
Options- A. forward stroke
- B. return stroke
- C. both forward and return strokes
- D. none of these Discuss
- 8. A neutral flame is obtained by supplying
Options- A. equal volumes of oxygen and acetylene
- B. more volume of oxygen and less volume of acetylene
- C. more volume of acetylene and less volume of oxygen
- D. none of the above Discuss
- 9. The cutting edge of a chisel should be
Options- A. hardened
- B. tempered
- C. hardened and tempered
- D. case hardened Discuss
- 10. In a __________ , two or more operations are performed simultaneously at the single stroke of the ram.
Options- A. simple die
- B. progressive die
- C. combination die
- D. compound die Discuss
Workshop Technology problems
Search Results
Correct Answer: camber on the rolls
Correct Answer: 10 mm/m
Correct Answer: at the same speed but in opposite direction
Correct Answer: forming
Correct Answer: 46 mm
Correct Answer: one side of the nominal size
Correct Answer: forward stroke
Correct Answer: equal volumes of oxygen and acetylene
Correct Answer: hardened and tempered
Correct Answer: progressive die
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