Cooling and Lubrication in Automobile MCQs

Question 1

Which of the following prevent large impurities from entering the engine?

Accepted Answer

Oil strainer

Answer

Oil filter

Answer

Oil pump

Answer

Oil control orifice

Question 2

Which of the following component is fitted in the oil pan to prevent the oil from splashing when it is subjected to vibration and other movement during vehicle operation.

Accepted Answer

Baffle plate

Answer

Drain bolt

Answer

Oil strainer

Answer

Oil filter

Question 3

High pressure produces-

Accepted Answer

High frictional forces

Answer

Low frictional forces

Answer

Very low frictional force

Answer

None of these

Question 4

Which is a type of temperature indicators?

Accepted Answer

Both

Answer

Mechanical type

Answer

Electric type

Question 5

The oil pressure may be low due to the reason-

Accepted Answer

All are correct

Answer

Less oil in the oil pan

Answer

Loose connection in the oil lines

Answer

Too weak relief valve spring

Question 6

Which of the following statements is correct regarding water cooled type engine oil cooler?

Accepted Answer

The cooler is located at the base of the oil filter and the engine oil is cooled by the engine coolant that circulates through the cooler

Answer

The cooler is positioned such that air flows over it during vehicle movement and this air flow cools the engine oil

Answer

The cooler is fitted insider the radiator

Answer

The cooler is located at the base of the oil filter and it cools the engine oil using the air flow that occurs during vehicle movement

Question 7

If the total fuel energy is 100 units; then what will be the amount of fuel energy required to overcome friction-

Accepted Answer

5%

Answer

20%

Answer

45%

Answer

28%

Question 8

The oil consumption may be high due to the reason-

Accepted Answer

All are correct

Answer

Loose bearing

Answer

Tapered or out-of round cylinders

Answer

Worm piston rings

Question 9

What is the possible cause of water loss?

Accepted Answer

All are correct

Answer

Boiling

Answer

External or internal leakage

Answer

Restricted radiator or inoperative thermostat