Compressors, Gas Turbines and Jet Engines A gas turbine used in air craft should have Low weight and small frontal area High speed and high h.p. Small frontal area and high h.p. High h.p. and low weight Low weight and small frontal area High speed and high h.p. Small frontal area and high h.p. High h.p. and low weight ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure ratio in gas turbines is of the order of 0.16736111111111 2.5423611111111 0.37569444444444 0.084027777777778 0.16736111111111 2.5423611111111 0.37569444444444 0.084027777777778 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Clearance volume in actual reciprocating compressors is essential To provide cushioning effect To provide cushioning effect and also to avoid mechanical bang of piston with cylinder head To attain high volumetric efficiency To accommodate Valves in the cylinder head To provide cushioning effect To provide cushioning effect and also to avoid mechanical bang of piston with cylinder head To attain high volumetric efficiency To accommodate Valves in the cylinder head ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The criterion of the thermodynamic efficiency for rotary compressor is Isothermal compression None of the listed here Polytropic compression Isentropic compression Isothermal compression None of the listed here Polytropic compression Isentropic compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a double acting compressor, the air is compressed In two cylinders In two cylinders on both sides of the piston In one cylinder In a single cylinder on both sides of the piston In two cylinders In two cylinders on both sides of the piston In one cylinder In a single cylinder on both sides of the piston ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Only rocket engines can be propelled to space because They can generate very high thrust They have high propulsion efficiency They are not air breathing engines These engines can work on several fuels They can generate very high thrust They have high propulsion efficiency They are not air breathing engines These engines can work on several fuels ANSWER DOWNLOAD EXAMIANS APP