Compressors, Gas Turbines and Jet Engines The air entry velocity m a rocket as compared to aircraft is More Zero Same Less More Zero Same Less ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Only rocket engines can be propelled to space because They are not air breathing engines These engines can work on several fuels They have high propulsion efficiency They can generate very high thrust They are not air breathing engines These engines can work on several fuels They have high propulsion efficiency They can generate very high thrust ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In an axial flow compressor, the ratio of pressure in the rotor blades to the pressure rise in the compressor in one stage is known as Work factor Degree of reaction Slip factor Pressure coefficient Work factor Degree of reaction Slip factor Pressure coefficient ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The working fluid in a turbine is In two phases In a single phase In three phases In the form of air and water mixture In two phases In a single phase In three phases In the form of air and water mixture ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The overall isothermal efficiency of compressor is defined as the ratio of Isothermal h.p. to the BHP of motor Work to compress air isothermally to work for actual compression Isothermal h.p. to adiabatic h.p. Power to drive compressor to isothermal h.p. Isothermal h.p. to the BHP of motor Work to compress air isothermally to work for actual compression Isothermal h.p. to adiabatic h.p. Power to drive compressor to isothermal h.p. ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Clearance volume in actual reciprocating compressors is essential To attain high volumetric efficiency To accommodate Valves in the cylinder head To provide cushioning effect and also to avoid mechanical bang of piston with cylinder head To provide cushioning effect To attain high volumetric efficiency To accommodate Valves in the cylinder head To provide cushioning effect and also to avoid mechanical bang of piston with cylinder head To provide cushioning effect ANSWER DOWNLOAD EXAMIANS APP