Compressors, Gas Turbines and Jet Engines The compression ratio in a gas turbine is of the order of 0.33402777777778 3.5 : 1 0.50069444444444 0.20902777777778 0.33402777777778 3.5 : 1 0.50069444444444 0.20902777777778 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a double acting compressor, the air is compressed In two cylinders on both sides of the piston In one cylinder In two cylinders In a single cylinder on both sides of the piston In two cylinders on both sides of the piston In one cylinder In two cylinders In a single cylinder on both sides of the piston ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The reason for volumetric efficiency of reciprocating compressor being less than 100 percent is Pressure drop across the valves All of these Clearance volume and leakages Superheating in compressor Pressure drop across the valves All of these Clearance volume and leakages Superheating in compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure ratio of an ideal vaned compressor with increase in mass flow rate Increases Remain constant Decreases First decreases and then increases Increases Remain constant Decreases First decreases and then increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Intercooling in gas turbines Decreases net output and thermal efficiency both Decreases net output but increases thermal efficiency Increases net output and thermal efficiency both Increases net output but decreases thermal efficiency Decreases net output and thermal efficiency both Decreases net output but increases thermal efficiency Increases net output and thermal efficiency both Increases net output but decreases thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed gas turbine in which fuel is burnt directly in the air is not possible because of Paucity of O2 High friction losses High specific volume Increasing gas temperature Paucity of O2 High friction losses High specific volume Increasing gas temperature ANSWER DOWNLOAD EXAMIANS APP