Compressors, Gas Turbines and Jet Engines Pick up wrong statement. Surging phenomenon in centrifugal compressor depends on Pressure ratio Mass flow rate Change in load Stagnation pressure at the outlet Pressure ratio Mass flow rate Change in load Stagnation pressure at the outlet ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The work ratio of a gas turbine plant is defined as the ratio of Actual heat drop and isentropic heat drop Net work output and isentropic heat drop Net work output and work done by turbine Net work output and heat supplied Actual heat drop and isentropic heat drop Net work output and isentropic heat drop Net work output and work done by turbine Net work output and heat supplied ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines With the decrease in compression ratio, the volumetric efficiency First decrease and then increase Decreases Increases Does not change First decrease and then increase Decreases Increases Does not change ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbine blades are given a rake Depending on the velocity Equal to zero Opposite to the direction of motion of blades In the direction of motion of blades Depending on the velocity Equal to zero Opposite to the direction of motion of blades In the direction of motion of blades ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The air is delivered ________ in one revolution in case of a three lobbed rotor. Three times Six times Four times Two times Three times Six times Four times Two times ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The main purpose of reheating in gas turbine is to Reduce turbine size Increase power output Increase speed Increase temperature Reduce turbine size Increase power output Increase speed Increase temperature ANSWER DOWNLOAD EXAMIANS APP