Discussion
Home ‣ Mechanical Engineering ‣ Engineering Materials See What Others Are Saying!
- Question
Pearlite is a combination of 87% ferrite and 13% cementite.
Options- A. Yes
- B. No
- Correct Answer
- Yes
- 1. A two stroke cycle engine gives __________ the number of power strokes as compared to the four stroke cycle engine, at the same engine speed.
Options- A. half
- B. same
- C. double
- D. four times Discuss
- 2. The blade friction in the impulse turbine reduces the velocity of steam by __________ while it passes over the blades.
Options- A. 10 to 15%
- B. 15 to 20%
- C. 20 to 30%
- D. 30 to 40% Discuss
- 3. For 450 m head of water, __________ shallbeused.
Options- A. Pelton wheel
- B. Kaplan turbine
- C. Francis turbine
- D. none of these Discuss
- 4. In hit and miss governing, the fuel supply is cut-off completely during one or more number of cycles.
Options- A. Yes
- B. No Discuss
- 5. The hardness is the property of a material due to which it
Options- A. can be drawn into wires
- B. breaks with little permanent distortion
- C. can cut another metal
- D. can be rolled or hammered into thin sheets Discuss
- 6. Which of the following type of layout is suitable for automobile manufacturing concern?
Options- A. product layout
- B. process layout
- C. fixed position layout
- D. combination layout Discuss
- 7. The lower calorific value of fuel may be obtained by adding the heat of steam formed during combustion to the higher calorific value.
Options- A. Yes
- B. No Discuss
- 8. The runaway speed of a hydraulic turbine is the speed
Options- A. at full load
- B. at which there will be no damage to the runner
- C. corresponding to maximum overload permissible
- D. at which the turbine will run freely without load Discuss
- 9. Two shafts 'A' and 'B' transmit the same power. The speed of shaft 'A' is 250 r.p.m. and that of shaft 'B' is 300 r.p.m. The shaft 'B' has the greater diameter.
Options- A. True
- B. False Discuss
- 10. Benson boiler is a __________ water tube steam boiler using forced circulation of water.
Options- A. low pressure
- B. high pressure Discuss
More questions
Correct Answer: double
Correct Answer: 10 to 15%
Correct Answer: Pelton wheel
Correct Answer: Yes
Correct Answer: can cut another metal
Correct Answer: product layout
Correct Answer: No
Correct Answer: at which the turbine will run freely without load
Correct Answer: False
Correct Answer: high pressure
Comments
There are no comments.More in Mechanical Engineering:
Programming
Copyright ©CuriousTab. All rights reserved.