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- Question
The bending moment at the centre of a simply supported beam with a gradually varying load from zero at both ends to w per metre at the centre is wl/4.
Options- A. Yes
- B. No
- Correct Answer
- No
- 1. The nuclear radiators produced in a reactor which must be sheilded are
Options- A. electrons
- B. ?, ? and ? rays
- C. neutron and gamma rays
- D. none of these Discuss
- 2. According to Newton's first law of motion,
Options- A. every body continues in its state of rest or of uniform motion, in a straight line, unless it is acted upon by some external force
- B. the rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction, in which the force acts
- C. to every action, there is always an equal and opposite reaction
- D. none of the above Discuss
- 3. The actual power generated in the engine cylinder is called
Options- A. indicated power
- B. brake power
- C. frictional power
- D. none of these Discuss
- 4. The process of maintaining the speed of the turbine constant for various load conditions, is known as
Options- A. bleeding
- B. reheating
- C. governing
- D. none of these Discuss
- 5. The air standard efficiency of an I.C. engine depends on
Options- A. fuel used
- B. speed of engine
- C. compression ratio
- D. none of these Discuss
- 6. The intensity of pressure on an immersed surface __________ with the increase in depth.
Options- A. does not change
- B. increases
- C. decreases Discuss
- 7. The function of a radiator fan in the cooling system is that
Options- A. it blows air through the radiator when necessary
- B. it is turned by wind force as the vehicle moves forward, and its rotation drives the water pump
- C. it cools the engine by blowing air onto the cylinder block
- D. it draws heat out of the engine compartment Discuss
- 8. Silicon in cast iron
Options- A. makes the iron soft and easily machinable
- B. increases hardness and brittleness
- C. makes the iron white and hard
- D. aids fusibility and fluidity Discuss
- 9. The exhaust valve in a four stroke cycle petrol engine
Options- A. opens at 50° before bottom dead centre and closes at 15° after top dead centre
- B. opens at bottom dead centre and closes at top dead centre
- C. opens at 50° after bottom dead centre and closes at 15° before top dead centre
- D. may open and close anywhere Discuss
- 10. The engine oil is stored in __________ when the engine is not running.
Options- A. oil pan
- B. cylinder head
- C. oil pump
- D. separate oil tank Discuss
More questions
Correct Answer: neutron and gamma rays
Correct Answer: every body continues in its state of rest or of uniform motion, in a straight line, unless it is acted upon by some external force
Correct Answer: indicated power
Correct Answer: governing
Correct Answer: compression ratio
Correct Answer: increases
Correct Answer: it blows air through the radiator when necessary
Correct Answer: makes the iron soft and easily machinable
Correct Answer: opens at 50° before bottom dead centre and closes at 15° after top dead centre
Correct Answer: oil pan
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