The operation of forcing additional air under pressure in the engine cylinder is known as________________?

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Fuel oil consumption guarantees for I .C. engine are usually based on__________________?

A. low heat value of oil B. high heat value of oil C. net calorific value of oil D. calorific value of fuel E. all of the above...

The term scavenging is generally associated with______________________?

A. 2-stroke cycle engines B. 4-stroke cycle engines C. aeroplane engines D. diesel engines E. high efficiency engines...

The size of inlet valve of.an engine in comparison to exhaust valve is_________________?

A. more B. less C. same D. more/less depending on capacity of engine E. varies from design to design...

Auto-ignition temperature is____________________?

A. minimum temperature to which 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. that at which it catches fire without external aid D. indicated by 90% distillation temperature, i.e., when 90% … Auto-ignition temperature is____________________?Read More...

Auto-ignition reaction time for petrol engine first decreases with increase in fuel air ratio, reaches a minimum value and then increases with subsequent increase in fuel air ratio. The minimum value occurs in the region of________________?

A. Lean mixture B. Chemically correct fuel air ratio C. Rich mixture D. Unpredictable...