In jet propulsion power unit, the inlet duct of diverging shape is used in order to _______________ ?

Related Mcqs:

Ratio of indicated H.P. and brake H.P. is known as_________________?

A. mechanical efficiency B. volumetric efficiency C. isothermal efficiency D. adiabatic efficiency E. relative efficiency...

For slow-speed large capacity compressor, following type of valve will be best suited________________?

A. poppet valve B. mechanical valve of the corliss, sleeve, rotary or semirotary type C. disc or feather type D. any of the above E. none of the above...

Gas turbines for power generaion are normally used___________________?

A. to supply base load requirements B. to supply peak load requirements C. to enable start thermal power plant D. in emergency E. when other sources of power fail...

The degree of reaction of an axial flow turbine is the ratio of isentropic temperature drop in a blade row to the_____________________?

A. adiabatic temperature drop in the stage B. total temperature drop C. total temperature drop in the stage D. total adiabaitc temperature drop E. difference of maximum and minimum temperature in the cycle...

The specific output per kg mass flow rate of a gas turbine (having fixed efficiencies of compressor and turine and fixed higher and lower temperature) with increase in pressure ratio will___________________?

A. increase first at fast rate and then slow B. increase first at slow rate and then fast C. decrease continuously D. first increase, reach maximum and then decrease E. none of the above...