Compressors, Gas Turbines and Jet Engines The efficiency of roots blower ________ with the increase in pressure ratio. Increases Does not change None of these Decreases Increases Does not change None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Out of the following, from where you will prefer to take intake for air compressor From an air conditioned room maintained at 20°C From outside atmosphere at 1°C From coal yard side From a side where cooling tower is located nearby From an air conditioned room maintained at 20°C From outside atmosphere at 1°C From coal yard side From a side where cooling tower is located nearby ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Choose the correct statement Gas turbines has flat efficiency at part loads Gas turbine requires lot of cooling water Gas turbines have high standby losses and require lot of maintenance Gas turbine is capable of rapid start up and loading Gas turbines has flat efficiency at part loads Gas turbine requires lot of cooling water Gas turbines have high standby losses and require lot of maintenance Gas turbine is capable of rapid start up and loading ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Propulsion efficiency of the following order is obtained in practice 0.5 0.72 0.34 0.6 0.5 0.72 0.34 0.6 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The specific output per kg mass flow rate of a gas turbine (having fixed efficiencies of compressor and turbine and fixed higher and lower temperature) with increase in pressure ratio will Increase first at fast rate and then slow Increase first at slow rate and then fast First increase, reach maximum and then decrease Decrease continuously Increase first at fast rate and then slow Increase first at slow rate and then fast First increase, reach maximum and then decrease Decrease continuously ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressor capacity is defined as the Volume of air delivered by the compressor Actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions Volume of air sucked by the compressor during its suction stroke None of these Volume of air delivered by the compressor Actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions Volume of air sucked by the compressor during its suction stroke None of these ANSWER DOWNLOAD EXAMIANS APP
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