Civil and Mechanical Engineering : Practice Questions and Answers

In multi stage compression as compared to single stage compression the volumetric efficiency is

In Following which is the power producing device?

In diesel cycle, heat is added at

In a two stroke cycle engine, one cycle is completed in the following number of revolutions of the crank shaft

In a simple gear train having two gears, if driving gear rotates in clockwise direction then driven gear rotates in

In a IC engine from which of the following source energy is converted into mechanical energy

If xl and x2 are the dryness fractions obtained in separating calorimeter and throttling calorimeter respectively, then actual dryness fraction of steam is

Function of piston rings is

For earth moving machines, widely used engines are:

During compression process which parameter will change?

During adiabatic process

Dryness fraction of wet steam is

Compressor is a machine which is used to do

Compressor in which compression of air from suction pressure to delivery pressure takes place in more than one cylinder is called compressor.

Cochran boiler is .

CNG is an excellent for

An isothermal process is governed by

Air vessel is used in

A unit consists Of closed vessel, economizer, super heater, water wall tubes and it producing steam as per requirement called.

A system in which there is no transfer of mass across its boundaries is called