Quiz based on automobile engine cooling system

percentage of fuel lost to the cylinder walls in an automobile engine is approximately

• 1 %

• 10 %

• 30 %

• 80 %

sequence of coolant circulation is

• pump-radiator-block-head

• pump-block-head-radiator

• pump-block-radiator-head

• pump-radiator-head-block

on leaving the engine coolant goes to

• pump inlet

• header tank

• collector tank

• none of the above

the radiator core is made up of

• brass

• steel

• cast iron

• plastic

A pressure cap contains a

• pressure valve

• thermostat valve

• blow-off valve

• pressure and vacuum valve

The purpose of the thermostat is to keep the engine

• hot

• cool

• at desired temperature

• none of the above

The thermostat valve starts to open at about

• 90⁰C

• 80⁰C

• 50⁰C

• 20⁰C

coolant pumps are of

• vane type

• reciprocating type

• centrifugal type

• all the above types

the purpose of fan is to

• increase the flow of coolant

• draw air through through the radiator

• cool the engine by blowing air over it

• provide drive to the coolant pump

coolant fans are driven by

• electricity and belts

• gears and belts

• chains and gears

• by all of the above