Piston compression rings are made of _____________

Two stroke engine is preferred for small vehicle because

The engine produces mechanical power that is transmitted to the automobile’s wheels through a __________

Spark plugs are mounted inside ________

For retaining compression in the cylinder, a flat piece of ___________ is placed between the cylinder head and cylinder block.

The cylinder block and upper half of the crank case are cast by _________ material.

Which of these is a power-absorbing heat engine?

A gas undergoes step 4 in the Carnot cycle. Which of these processes describes the 2nd step?

Thermal power plants operate on which of these cycles?

SUVs is a __________

Power to weight ratio for high performance cars can range up to _______