Compressors, Gas Turbines and Jet Engines Gas turbine works on Rankine cycle Carnot cycle Brayton or Atkinson cycle Ericsson cycle Rankine cycle Carnot cycle Brayton or Atkinson cycle Ericsson cycle ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For slow speed large capacity compressor, following type of valve will be best suited Poppet valve Disc or feather type Any of the above Mechanical valve of the Corliss, sleeve, rotary or semi rotary type Poppet valve Disc or feather type Any of the above Mechanical valve of the Corliss, sleeve, rotary or semi rotary type ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency of the vane blower is (where W₁ = Workdone due to compression, and W₂ = Workdone due to back flow) (W₁ + W₂)/W₂ (W₁ + W₂)/W₁ W₁/(W₁ + W₂) W₂/(W₁ + W₂) (W₁ + W₂)/W₂ (W₁ + W₂)/W₁ W₁/(W₁ + W₂) W₂/(W₁ + W₂) ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum propulsion efficiency of a turbojet is attained at around following speed 1050 km/hr 550 km/hr 2400 km/hr 1700 km/hr 1050 km/hr 550 km/hr 2400 km/hr 1700 km/hr ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Cylinder clearance in a compressor should be As small as possible As large as possible About 100% of swept volume About 50% of swept volume As small as possible As large as possible About 100% of swept volume About 50% of swept volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The reason for volumetric efficiency of reciprocating compressor being less than 100 percent is All of these Superheating in compressor Pressure drop across the valves Clearance volume and leakages All of these Superheating in compressor Pressure drop across the valves Clearance volume and leakages ANSWER DOWNLOAD EXAMIANS APP