The function of oil-control rings is that it

A)
lubricates the cylinder wall by releasing oil from its hole
B)
keeps the cylinder wall lubricated by holding oil in its channel
C)
maintains a seal and prevents escape of burned gases and oil leakage
D)
prevents engine oil from going into the combustion chamber and returns excess lubricating oil off the cylinder wall through the return holes in the piston to the oil pan

Correct Answer : Option (D) :   prevents engine oil from going into the combustion chamber and returns excess lubricating oil off the cylinder wall through the return holes in the piston to the oil pan

Recently Updated in Automobile Engineering Questions
Which of the following terms is used to express Ignition advance?
A)
Crank angle
B)
Time in milliseconds
C)
Millimetres of piston travel before TDC
D)
All of the above

Correct Answer :   All of the above

Explanation : Ignition advance can be expressed in terms of any of the following.

Which of the following material is used to make connecting rod?
A)
Forged steel
B)
Tool steel
C)
Cast iron
D)
Mild steel

Correct Answer :   Forged steel

Explanation : Connecting rod is made of forged steel.

Which of the following is defined as the escape of burned gases from the combustion chamber past the pistons and into the crankcase?
A)
Gas loss
B)
By pass
C)
Blow by
D)
Passed gas

Correct Answer :   Blow by

Explanation : Blow by is the surging of burned gases from the combustion chamber into the crankcase.

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