Discussion
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- Question
Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its C.G. and parallel to the base, is
Options- A. bh3/4
- B. bh3/8
- C. bh3/12
- D. bh3/36
- Correct Answer
- bh3/36
- 1. The bending moment diagram for a simply supported beam carrying a uniformly distributed load of w per unit length, will be
Options- A. a horizontal line
- B. a vertical line
- C. an inclined line
- D. a parabolic curve Discuss
- 2. Diesel as compared to petrol is
Options- A. highly ignitable
- B. more difficult to ignite
- C. less difficult to ignite
- D. none of these Discuss
- 3. In an axial flow compressor, the ratio of pressure in theTOtor blades to the pressure rise in the compressor in one stage is known as
Options- A. work factor
- B. slip factor
- C. degree of reaction
- D. pressure coefficient Discuss
- 4. When a body of mass m attains a velocity v from rest in time t, then the kinetic energy of translation is
Options- A. mv2
- B. mgv2
- C. 0.5 mv2
- D. 0.5 mgv2 Discuss
- 5. The gears are termed as medium velocity gears, if their peripheral velocity is
Options- A. 1 - 3 m/s
- B. 3 - 15 m/s
- C. 15 - 30 m/s
- D. 30 - 50 m/s Discuss
- 6. When a body is subjected to a direct tensile stress (?) in one plane, the maximum shear stress is __________ the maximum normal stress.
Options- A. equal to
- B. one-half
- C. two-third
- D. twice Discuss
- 7. Sensible heat factor is given by (where S.H. = Sensible heat, and L.H. = Latent heat)
Options- A.
- B.
- C.
- D.
Discuss
- 8. The overall efficiency of an impulse turbine is the ratio of the actual power produced by the turbine to the energy actually supplied by the turbine.
Options- A. Yes
- B. No Discuss
- 9. In qualitative governing, the quantity of fuel is varied to suit the load on the engine and the total charge of air is altered.
Options- A. Correct
- B. Incorrect Discuss
- 10. Duplex process of steel making is a combination of
Options- A. basic bessemer and acid open hearth processes
- B. acid bessemer and basic open hearth processes
- C. acid bessemer and acid open hearth processes
- D. basic bessemer and basic open hearth processes Discuss
More questions
Correct Answer: a parabolic curve
Correct Answer: more difficult to ignite
Correct Answer: degree of reaction
Correct Answer: 0.5 mv2
Correct Answer: 3 - 15 m/s
Correct Answer: one-half
Correct Answer:
Correct Answer: Yes
Correct Answer: Incorrect
Correct Answer: acid bessemer and basic open hearth processes
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