Inter-metallic corrosion between steel studs and aluminium alloy lead to ___________(a) engine war-up(b) higher fuel consumption(c) cylinder head stick to cylinder block(d) gaskets get damagedI have been asked this question at a job interview.This intriguing question originated from Cylinder Head topic in portion Engine Construction & Wheel Assembly of Automobile Engineering

Inter-metallic corrosion between steel studs and aluminium alloy lead

1.	Inter-metallic corrosion between steel studs and aluminium alloy lead to ___________(a) engine war-up(b) higher fuel consumption(c) cylinder head stick to cylinder block(d) gaskets get damagedI have been asked this question at a job interview.This intriguing question originated from Cylinder Head topic in portion Engine Construction & Wheel Assembly of Automobile Engineering
Answer» Correct answer is (c) cylinder head STICK to cylinder block For explanation I WOULD say: DUE to corrosion and over HEATING of the engine due to the piston sliding movements up and down, the cylinder block will GET attached to the cylinder block which in turns lead to total replacement of the entire engine setup.

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