Automobile Engineering - Study Mode

[#131] The purpose of a thermostat in an engine cooling system is to
Correct Answer

(B) Allow the engine to warm up quickly

Explanation

Solution: When the engine is cold, the thermostat is closed and prevents coolant from flowing into the engine and allows the engine to warm up. Once the engine has warmed, the thermostat will open and allow coolant to flow and cool the engine when it starts to get too hot. This function is vital for optimal engine performance.

[#132] In an engine, the temperature of the piston will be more at the
Correct Answer

(A) Crown of the piston

Explanation

Solution: In an engine, the temperature of the piston will be more at the Crown of the piston

[#133] The diagram which shows the correct crank positions corresponding to the opening and closing of the valves, is known as
Correct Answer

(C) Valve timing diagram

Explanation

Solution: A valve timing diagram is a graphical representation of the opening and closing of the intake and exhaust valve of the engine,

[#134] Engine misfiring is likely to result from
Correct Answer

(B) Spark plug gap too wide

Explanation

Solution: Engine misfiring is likely to result from Spark plug gap too wide

[#135] A clutch is usually designed to transmit maximum torque which is
Correct Answer

(C) 150% of the maximum engine torque

Explanation

Solution: A clutch is usually designed to transmit maximum torque which is 150% of the maximum engine torque