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- Question
The engine's idling speed will increase by a slight degree immediately after a cold engine has been started. It will drop as the engine warms up. and it will eventually reach the standard level.
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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