Discussion
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- Question
Combustuion of fuel takes place __________ the engine cylinder of a steam engine.
Options- A. outside
- B. inside
- Correct Answer
- outside
- 1. In centreless grinders, the maximum angular adjustment of the regulating wheel is
Options- A. 5°
- B. 10°
- C. 15°
- D. 20° Discuss
- 2. The increase in depth of cut and feed rate __________ surface finish.
Options- A. improves
- B. deteriorates
- C. does not effect Discuss
- 3. A spherical body is symmetrical about its perpendicular axis. According to Routh's rule, the moment of inertia of a body about an axis passing through its centre of gravity is(where, M = Mass of the body, and S = Sum of the squares of the two semi-axes.)
Options- A. MS/3
- B. MS/4
- C. MS/5
- D. none of these Discuss
- 4. A flow in which __________ force is dominating over the viscosity is called turbulent flow.
Options- A. elastic
- B. surface tension
- C. viscous
- D. inertia Discuss
- 5. The ratio of maximum shear stress developed in a rectangular beam and a circular beam of the same cross-sectional area is
Options- A. 2/3
- B. 3/4
- C. 1
- D. 9/8 Discuss
- 6. The power absorbed (in watts) in overcoming the viscous resistance of a footstep bearing is
Options- A.
- B.
- C.
- D.
Discuss
- 7. The time of flight of a projectile on downward inclined plane depends upon
Options- A. angle of projection
- B. angle of inclination of the plane
- C. both (a) and (b)
- D. none of these Discuss
- 8. The flow in a pipe is turbulent when Reynold number is
Options- A. less than 2000
- B. between 2000 and 2800
- C. more than 2800
- D. none of these Discuss
- 9. The operation of forcing additional air under pressure into the engine cylinder is known as
Options- A. supercharging
- B. carburation
- C. turbulence
- D. delay period Discuss
- 10. In spot welding, the distance between the nearest edge of the plate and centre of weld should be equal to
Options- A. d
- B. 1.5 d
- C. 3 d
- D. 6 d Discuss
More questions
Correct Answer: 10°
Correct Answer: deteriorates
Correct Answer: MS/5
Correct Answer: inertia
Correct Answer: 9/8
Correct Answer:
Correct Answer: both (a) and (b)
Correct Answer: more than 2800
Correct Answer: supercharging
Correct Answer: 1.5 d
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