Heat engines burn a ________ to create heat which is then used to do work.

A. Chemical energy

B. Power

C. Energy

D. Mechanism

A. Pre ignition in the engine

B. Suction of air for engine

C. Pre opening of the exhaust valve

D. High pressure in the cylinder

A. It is lighter

B. It is stronger

C. It has less wear

D. It absorbs shock

A. The ratio of engine H.P to laden weight of vehicle

B. Max. engine torque/wt. of vehicle

C. Only on the laden weight of vehicle

D. The power to weight ratio of engine

A. Combustion

B. Heat

C. Air

D. Fuel

A. It lower downs the temperature

B. It forms a pressurised chamber for fuel air mixture

C. It holds the exhaust gases after combustion

D. None of the mentioned

A. Cylinder diameter and length

B. Piston length and diameter

C. Bore and stroke