IC Engines and Nuclear Power Plants MCQ with Answers

IC Engines and Nuclear Power Plants MCQ with Answers

6) The ratio of the volume of charge admitted at N.T.P. to the swept volume of the piston is called

Answer is:

volumetric efficiency

7) The exhaust valve in a four stroke cycle petrol engine

Answer is:

opens at 50 Degree before bottom dead centre and closes at 15 Degree after top dead centre

8) Nuclear reactors are used

Answer is:

all of these

Explanation:

Nuclear reactors are used
* to produce heat for thermoelectric power
* to produce fissionable material
* to propel ships, submarines, aircrafts

9) A moderator generally used in nuclear power plants is

Answer is:

heavy water

10) The predominent isotope of the naturally occuring element is

Answer is:

U₂₃₈