Compressors, Gas Turbines and Jet Engines Which of the following fuels can be used in turbojet engines? Liquid hydrogen Methyl alcohol Kerosene High speed diesel oil Liquid hydrogen Methyl alcohol Kerosene High speed diesel oil ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbine cycle with regenerator Increases thermal efficiency Allows operation at very high altitudes Allows high compression ratio Decreases heat loss is exhaust Increases thermal efficiency Allows operation at very high altitudes Allows high compression ratio Decreases heat loss is exhaust ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Rotary compressors are used for delivering Large quantities of air at high pressures Small quantities of air at high pressures Small quantities of air at low pressures Large quantities of air at low pressures Large quantities of air at high pressures Small quantities of air at high pressures Small quantities of air at low pressures Large quantities of air at low pressures ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in a gas turbine Increases the thermal efficiency Decreases the thermal efficiency Increases the compressor work Increases the turbine work Increases the thermal efficiency Decreases the thermal efficiency Increases the compressor work Increases the turbine work ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The minimum work required for a three stage reciprocating air compressor is ___ the work required for each stage. Equal to Three times Six times Double Equal to Three times Six times Double ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The overall isothermal efficiency of the compressor is defined as the ratio of Volume of free air delivery per stroke to the swept volume of the piston Work required to compress the air isothermally to the actual work required to compress the air for the same pressure ratio Isentropic power to the power required to drive the compressor Isothermal power to the shaft power or B.P. of the motor or engine required to drive the compressor Volume of free air delivery per stroke to the swept volume of the piston Work required to compress the air isothermally to the actual work required to compress the air for the same pressure ratio Isentropic power to the power required to drive the compressor Isothermal power to the shaft power or B.P. of the motor or engine required to drive the compressor ANSWER DOWNLOAD EXAMIANS APP
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