Discussion
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- Question
Wood charcoal is produced by heating the wood at 100°C.
Options- A. Yes
- B. No
- Correct Answer
- No
- 1. For machining a mild steel workpiece by a high speed steel tool, the average cutting speed is
Options- A. 5 m/min
- B. 10 m/min
- C. 15 m/min
- D. 30 m/min Discuss
- 2. A closed cycle gas turbine gives __________ efficiency as compared to an open cycle gas turbine.
Options- A. same
- B. lower
- C. higher Discuss
- 3. The mode of deformation of the metal during spinning is
Options- A. bending
- B. stretching
- C. rolling and stretching
- D. bending and stretching Discuss
- 4. The unit of power in S.I. units is
Options- A. horsepower
- B. joule
- C. watt
- D. kg-m Discuss
- 5. According to Avogadro's law, the density of any two gases is __________ their molecular masses, if the gases are at the same temperature and pressure.
Options- A. equal to
- B. directly proportional to
- C. inversely proportional to Discuss
- 6. A fluid which obeys the Newton's law of viscosity is termed as
Options- A. real fluid
- B. ideal fluid
- C. newtonian fluid
- D. non-newtonian fluid Discuss
- 7. The property of a liquid which enables it to resist tensile stress is called its surface tension.
Options- A. Agree
- B. Disagree Discuss
- 8. In the middle part of the blast furnace (zone of absorption), the temperature is
Options- A. 400° to 700°C
- B. 800°C to 1000°C
- C. 1200°C to 1300°C
- D. 1500°C to 1700°C Discuss
- 9. The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant volume, is called
Options- A. specific heat at constant volume
- B. specific heat at constant pressure
- C. kilo Joule
- D. none of these Discuss
- 10. The critical pressure gives the velocity of steam at the throat
Options- A. equal to the velocity of sound
- B. less than the velocity of sound
- C. more than the velocity of sound
- D. none of these Discuss
More questions
Correct Answer: 30 m/min
Correct Answer: higher
Correct Answer: bending and stretching
Correct Answer: watt
Correct Answer: directly proportional to
Correct Answer: newtonian fluid
Correct Answer: Agree
Correct Answer: 800°C to 1000°C
Correct Answer: specific heat at constant volume
Correct Answer: equal to the velocity of sound
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