Discussion
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- Question
In order to obtain the bolts of uniform strength, an axial hole is drilled through the head as far as the threaded portion such that the area of shank becomes equal to the root area of the thread.
Options- A. True
- B. False
- Correct Answer
- True
- 1. The component in the radiator of an automobile that increases the boiling point of water is
Options- A. drain plug
- B. water jacket
- C. vacuum valve
- D. pressure cap Discuss
- 2. A steel with carbon above 0.8% is known as hyper-eutectoid steel.
Options- A. Agree
- B. Disagree Discuss
- 3. The stress at which the extension of the material takes place more quickly as compared to the increase in load, is called
Options- A. elastic limit
- B. yield point
- C. ultimate point
- D. breaking point Discuss
- 4. When a beam is subjected to a bending moment, the strain in a layer is __________ the distance from the neutral axis.
Options- A. equal to
- B. directly proportional to
- C. inversely proportional to
- D. independent of Discuss
- 5. The operation of smoothing and squaring the surface around a hole is known as
Options- A. counter-sinking
- B. counter-boring
- C. trepanning
- D. spot facing Discuss
- 6. The friction present between the steam and the nozzle surfaces reduces the heat drop by
Options- A. 10 to 15 percent
- B. 15 to 25 percent
- C. 25 to 40 percent
- D. 40 to 60 percent Discuss
- 7. Which of the following process is used for preparing parts having large curved surfaces and thin sections?
Options- A. Hot machining
- B. Ultra-sonic machining
- C. ECM process
- D. Chemical milling Discuss
- 8. Flank wear occurs mainly on the
Options- A. nose part, front relief face and side relief face of the cutting tool
- B. face of the cutting tool at a short distance from the cutting edge
- C. cutting edge only
- D. front face only Discuss
- 9. The lip clearance angle should decrease towards the centre of the drill than at the circumference.
Options- A. Yes
- B. No Discuss
- 10. The ductility of a material __________ with the increase in percentage reduction in area of a specimen under tensile test.
Options- A. increases
- B. decreases
- C. remains same Discuss
More questions
Correct Answer: pressure cap
Correct Answer: Agree
Correct Answer: yield point
Correct Answer: directly proportional to
Correct Answer: spot facing
Correct Answer: 10 to 15 percent
Correct Answer: Chemical milling
Correct Answer: nose part, front relief face and side relief face of the cutting tool
Correct Answer: No
Correct Answer: increases
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