Question

Aluminium cylinder blocks require __________

(a) Cast iron Liners

(b) Brass Liners

(c) Aluminium Liners

(d) No Liners

This question was posed to me by my school principal while I was bunking the class.

The origin of the question is Parts of an IC Engine Cylinder and Liner topic in section Internal Combustion Engines of Automobile Engineering

Answer 1

The correct option is (a) Cast iron Liners

Explanation: Cast iron is the best suited Liner material for aluminium cylinders. Aluminium is used for these types of cylinder blocks because it has higher heat conduction and it is good for engine cooling. It also prevents abnormal combustion.