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211.

Increasing the temperature of intake air in an I.C. engine will

A.	increase the efficiency	B.	decrease the efficiency
C.	increase or decrease the efficiency	D.	None of the above

212.

The need for installing new piston rings is determined by checking

A.	The surface of the piston ring	B.	The gap between the ends of the ring
C.	The clearance between cylinder and piston	D.	The clearance between cylinder and piston rings
E.	The clearance between piston and piston rings

213.

A ring gear is provided around the engine fly-wheel

A.	For reducing noise	B.	For getting uniform speed
C.	To get variable engine speeds	D.	To operate the valves
E.	To start the engine using self-starter

214.

A thermostat is provided in automobile engines for

A.	Controlling the temperature of the piston	B.	Controlling the temperature of the cooling system
C.	Regulating the temperature of lubricating oil	D.	Regulating the temperature of suction air
E.	Regulating the temperature of haust gases.

215.

Accumulation of rust and scale in the engine cooling system will cause

216.

Automobile radiator is filled with

217.

Which type of pump is preferred for pumping lubricating oil in automobile

A.	Reciprocating type	B.	Open impeller type
C.	Centrifugal pump with impeller shrouded on one side only	D.	Centrifugal pump with impeller shrouded on both sides
E.	Gear pump

218.

During discharge of a battery, the sulphuric acid in the electrolyte is replaced by

219.

The ignition coil acts as

220.

Worn out carburettor jets are likely to cause