Compressors, Gas Turbines and Jet Engines Choose the correct statement Gas turbines has flat efficiency at part loads Gas turbine is capable of rapid start up and loading Gas turbines have high standby losses and require lot of maintenance Gas turbine requires lot of cooling water Gas turbines has flat efficiency at part loads Gas turbine is capable of rapid start up and loading Gas turbines have high standby losses and require lot of maintenance Gas turbine requires lot of cooling water ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency is Index of compressor performance The ratio of the air actually delivered to the amount of piston displacement Reciprocal of compression ratio The ratio of stroke volume to clearance volume Index of compressor performance The ratio of the air actually delivered to the amount of piston displacement Reciprocal of compression ratio The ratio of stroke volume to clearance volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The area of actual indicator diagram on an air compressor as compared to area of ideal indicator diagram is Same More Less More/less depending on compressor capacity Same More Less More/less depending on compressor capacity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency and work ratio of a gas turbine plant can be increased by Injecting water in/around combustion chamber Adding heat exchanger All of these Reheating the air after partial expansion in the turbine Injecting water in/around combustion chamber Adding heat exchanger All of these Reheating the air after partial expansion in the turbine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which of the following statement is correct relating to rocket engines? The combustion chamber in a rocket engine is directly analogous to the reservoir of a supersonic wind tunnel The stagnation conditions exist at the combustion chamber All of these The exit velocities of exhaust gases are much higher than those in jet engine The combustion chamber in a rocket engine is directly analogous to the reservoir of a supersonic wind tunnel The stagnation conditions exist at the combustion chamber All of these The exit velocities of exhaust gases are much higher than those in jet engine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volume of air delivered in a medium capacity air compressor per unit time is 0.1 to 1.2 m³/s 0.15 to 5 m³/s None of these Above 5 m³/s 0.1 to 1.2 m³/s 0.15 to 5 m³/s None of these Above 5 m³/s ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS