Discussion
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- Question
The velocity of tool relative to the workpiece is known as cutting velocity.
Options- A. True
- B. False
- Correct Answer
- True
- 1. Segmental chips are formed during machining
Options- A. mild steel
- B. cast iron
- C. high speed steel
- D. high carbon steel Discuss
- 2. A drill considered as a cutting tool having zero rake, is known as a
Options- A. flat drill
- B. straight fluted drill
- C. parallel shank twist drill
- D. tapered shank twist drill Discuss
- 3. The silicon carbide abrasive is chiefly used for grinding
Options- A. cemented carbide
- B. ceramic
- C. cast iron
- D. all of these Discuss
- 4. The machining of titanium is difficult due to
Options- A. high thermal conductivity of titanium
- B. chemical reaction between tool and work
- C. low tool-chip contact area
- D. none of these Discuss
- 5. The correct sequence of tool materials in increasing order of their ability to retain their hot hardness is
Options- A. carbide, ceramic, cermet, borazon
- B. ceramic, carbide, borazon, cermet
- C. cermet, carbide, ceramic, borazon
- D. borazon, ceramic, carbide, cermet Discuss
- 6. The average cutting speed for turning brass with a high speed steel tool is
Options- A. 15 to 19 m/min
- B. 25 to 31 m/min
- C. 60 to 90 m/min
- D. 90 to 120 m/min Discuss
- 7. Twist drills are made of
Options- A. high speed steel
- B. carbon steel
- C. stainless steel
- D. either (a) or (b) Discuss
- 8. The maximum production of small and slender parts is done by
Options- A. watch maker's lathe
- B. sliding head stock automatic lathe
- C. multispindle automatic lathe
- D. capastan lathe Discuss
- 9. A push broach as compared to pull broach
Options- A. has less number of teeth
- B. is short and stocky
- C. removes less material for each pass of the tool
- D. all of the above Discuss
- 10. In oblique cutting system, the maximum chip thickness occurs at the middle.
Options- A. Correct
- B. Incorrect Discuss
Production Engineering problems
Search Results
Correct Answer: cast iron
Correct Answer: straight fluted drill
Correct Answer: all of these
Correct Answer: low tool-chip contact area
Correct Answer: cermet, carbide, ceramic, borazon
Correct Answer: 60 to 90 m/min
Correct Answer: either (a) or (b)
Correct Answer: multispindle automatic lathe
Correct Answer: all of the above
Correct Answer: Incorrect
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