Engine pistons ‘are usually made of aluminium alloy because it_________________?

Related Mcqs:

Supercharging is the process of_____________________?

A. supplying the intake of an engine with air at a density greater than the density of the surrounding atmosphere B. providing forced cooling air C. injecting excess fuel for raising more load D. supplying compressed air to remove combustion products fully E. raising exhaust pressure...

Flash point of fuel oil is __________________?

A. minimum temperature to which1 oil is heated in order to give off inflammable vapours in sufficient quantity to ignite momentarily when brought in contact with a flame B. temperature at which it solidifies or congeals C. temperature at which it catches fire without external aid D. indicated by 90% distillation temperature, i.e. when 90% … Flash point of fuel oil is __________________?Read More...

Scavenging air in diesel engine means___________________?

A. air used for combustion sent under pres-sure B. forced air for cooling cylinder C. burnt air containing products of combustion D. air used for forcing burnt gases out of engine’s cylinder during the exhaust period E. air fuel mixture...

Carbon residue in diesel oil should not be more than___________________?

A. 1% B. 0.5% C. 0.1% D. 0.01% E. 0.001%...

For the same size and weight, a two stroke engine as compared to four stroke engine will generate power_________________?

A. about twice B. about 0.5 times C. nearly equal D. about 1.7 times E. about 5 times...