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- Question
The obtuse angle, included between the chisel edge and the lip as viewed from the end of a drill, is called
Options- A. helix or rake angle
- B. point angle
- C. chisel edge angle
- D. lip clearance angle
- Correct Answer
- chisel edge angle
- 1. During adiabatic saturation process on unsaturated air __________ remains constant.
Options- A. relative humidity
- B. dew point temperature
- C. dry bulb temperature
- D. wet bulb temperature Discuss
- 2. In which of the following conditions, the idle CO percentage should be measured with the vehicle?
Options- A. Headlights and other electrical devices are switched off.
- B. Headlights and other electrical devices are switched on.
- C. Headlights and other lights are switched off.
- D. Headlights are switched on. Discuss
- 3. If there is a fall in the temperature of a composite body, then a member having greater coefficient of linear expansion will be subjected to compressive stress.
Options- A. True
- B. False Discuss
- 4. The overturning of a vehicle on a level circular path can be avoided if the velocity of vehicle is __________
.
Options- A. less than
- B. greater than Discuss
- 5. In jet propulsion power unit, the inlet duct of diverging shape is used for converting kinetic energy of air into pressure energy.
Options- A. True
- B. False Discuss
- 6. The unit of thermal diffusivity is
Options- A. m/hK
- B. m/h
- C. m2/h
- D. m2/hK Discuss
- 7. The isothermal and isentropic processes are reversible non-flow processes.
Options- A. Agree
- B. Disagree Discuss
- 8. A left hand tool on a lathe cuts most efficiently when it travels
Options- A. from left to right end of the lathe bed
- B. from right to left end of the lathe bed
- C. with the help of a compound slide
- D. across the bed Discuss
- 9. The cutting speed for counter-boring should be __________ that of drilling operation.
Options- A. equal to
- B. less than
- C. greater than Discuss
- 10. The process, which causes the air to enter the impeller blades of a centrifugal compressor at __________ velocity (without effecting the mass of air to flow and velocity of flow) is known as prewhirl.
Options- A. reduced
- B. increased Discuss
More questions
Correct Answer: wet bulb temperature
Correct Answer: Headlights and other electrical devices are switched off.
Correct Answer: False
Correct Answer: less than
Correct Answer: True
Correct Answer: m2/h
Correct Answer: Agree
Correct Answer: from left to right end of the lathe bed
Correct Answer: greater than
Correct Answer: reduced
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