Discussion
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- Question
Which of the following statement indicates the difference between Cornish boiler and Lancashire boiler?
Options- A. Cornish boiler is a water tube boiler whereas Lancashire boiler is a fire tube boiler.
- B. Cornish boiler is a fire tube boiler whereas Lancashire boiler is a water tube boiler.
- C. Cornish boiler has one flue tube whereas Lancashire boiler has two flue tubes.
- D. Cornish boiler has two flue tubes whereas Lancashire boiler has one flue tube.
- Correct Answer
- Cornish boiler has one flue tube whereas Lancashire boiler has two flue tubes.
- 1. The horizontal range of a projectile (R) is given by
Options- A.
- B.
- C.
- D.
Discuss
- 2. The major purpose of an electronically-controlled automatic transmission is that this type of transmission
Options- A. eliminates gear clutches
- B. eliminates the gear shift lever
- C. reduces the number of automatic-transmission components
- D. reduces shift shock and achieves more efficient transmission of engine torque Discuss
- 3. In fore-hand welding, the angle between the welding torch and the work is __________ as compared to back-hand welding.
Options- A. same
- B. less
- C. more Discuss
- 4. Fouling factor is used
Options- A. in heat exchanger design as a safety factor
- B. in case of Newtonian fluids
- C. when a liquid exchanges heat with a gas
- D. none of the above Discuss
- 5. A flow is called super-sonic if the
Options- A. velocity of flow is very high
- B. discharge is difficult to measure
- C. Mach number is between 1and 6
- D. none of these Discuss
- 6. Which of the following statement is correct?
Options- A. A grey body is one which absorbs all radiations incident on it.
- B. At thermal equilibrium, the emissivity and absorptivity are same.
- C. The energy absorbed by a body to the total energy falling on it, is called emissivity.
- D. A perfect body is one which is black in colour. Discuss
- 7. Which of the following statement is correct?
Options- A. The periodic time of a particle moving with simple harmonic motion is the time taken by a particle for one complete oscillation,
- B. The periodic time of a particle moving with simple harmonic motion is directly proportional to its angular velocity.
- C. The velocity of the particle moving with simple harmonic motion is zero at the mean position.
- D. The acceleration of the particle moving with simple harmonic motion is maximum at the mean position. Discuss
- 8. The expansion valve in a refrigerator controls the flow of refrigerant.
Options- A. Correct
- B. Incorrect Discuss
- 9. The cam follower generally used in automobile engines is
Options- A. knife edge follower
- B. fiat faced follower
- C. spherical faced follower
- D. roller follower Discuss
- 10. Reflector in nuclear power plants __________ neutron leakage.
Options- A. increases
- B. decreases
- C. have no effect on Discuss
More questions
Correct Answer:
Correct Answer: reduces shift shock and achieves more efficient transmission of engine torque
Correct Answer: less
Correct Answer: in heat exchanger design as a safety factor
Correct Answer: Mach number is between 1and 6
Correct Answer: At thermal equilibrium, the emissivity and absorptivity are same.
Correct Answer: The periodic time of a particle moving with simple harmonic motion is the time taken by a particle for one complete oscillation,
Correct Answer: Correct
Correct Answer: spherical faced follower
Correct Answer: decreases
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