Compressors, Gas Turbines and Jet Engines The criterion of the thermodynamic efficiency for rotary compressor is Polytropic compression Isentropic compression None of the listed here Isothermal compression Polytropic compression Isentropic compression None of the listed here Isothermal compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The material commonly used for air craft gas turbine is Duralumin Timken, Haste alloys Stainless steel High alloy steel Duralumin Timken, Haste alloys Stainless steel High alloy steel ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The clearance volume of the air compressor is kept minimum because It results in minimum work It allows maximum compression to be achieved It greatly affects volumetric efficiency It permits isothermal compression It results in minimum work It allows maximum compression to be achieved It greatly affects volumetric efficiency It permits isothermal compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines More than one stage will be preferred for reciprocating compressor if the delivery pressure is more than 14.7 kg/cm² 10 kg/cm² 2 kg/cm² 6 kg/cm² 14.7 kg/cm² 10 kg/cm² 2 kg/cm² 6 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The advantage of multistage compression over single stage compression is Lower power consumption per unit of air delivered Higher volumetric efficiency All of these Decreased discharge temperature Lower power consumption per unit of air delivered Higher volumetric efficiency All of these Decreased discharge temperature ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbines use following type of air compressor Axial flow type Lobe type Reciprocating type Centrifugal type Axial flow type Lobe type Reciprocating type Centrifugal type ANSWER DOWNLOAD EXAMIANS APP
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