Compressors, Gas Turbines and Jet Engines A closed gas turbine in which fuel is burnt directly in the air is not possible because of High specific volume Paucity of O2 High friction losses Increasing gas temperature High specific volume Paucity of O2 High friction losses Increasing gas temperature ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For supplying intermittent small quantity of air at high pressure, following compressor is best suited Centrifugal Screw Axial Reciprocating Centrifugal Screw Axial Reciprocating ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The work ratio of a gas turbine plant is defined as the ratio of Net work output and work done by turbine Actual heat drop and isentropic heat drop Net work output and isentropic heat drop Net work output and heat supplied Net work output and work done by turbine Actual heat drop and isentropic heat drop Net work output and isentropic heat drop Net work output and heat supplied ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines High air-fuel ratio is used in gas turbines To increase the output To reduce the exit temperature To save fuel To increase the efficiency To increase the output To reduce the exit temperature To save fuel To increase the efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Rotary compressors are suitable for Low discharge at low pressure Large discharge at high pressure Low discharge at high pressure Large discharge at low pressure Low discharge at low pressure Large discharge at high pressure Low discharge at high pressure Large discharge at low pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed cycle gas turbine gives ________ efficiency as compared to an open cycle gas turbine. None of these Lower Same Higher None of these Lower Same Higher ANSWER DOWNLOAD EXAMIANS APP