Compressors, Gas Turbines and Jet Engines During peak load periods, the best method of controlling compressors is Relief valve Start-stop motor Variable speed Constant speed unloader Relief valve Start-stop motor Variable speed Constant speed unloader ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio) r ɣ-1 1 - r ɣ-1 1 - (1/r) ɣ/ɣ-1 1 - (1/r) ɣ-1/ɣ r ɣ-1 1 - r ɣ-1 1 - (1/r) ɣ/ɣ-1 1 - (1/r) ɣ-1/ɣ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If the flow of air through the compressor is parallel to its axis, then the compressor is Turbo compressor Axial flow compressor Centrifugal compressor Reciprocating compressor Turbo compressor Axial flow compressor Centrifugal compressor Reciprocating compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency can be attained by running the compressor At very high speed At very slow speed At zero speed At average speed At very high speed At very slow speed At zero speed At average speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the net work obtained from the gas turbine plant to the turbine work is known as Work ratio None of these Pressure ratio Compression ratio Work ratio None of these Pressure ratio Compression ratio 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
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