Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor Decreases with increase in compression ratio Decreases with decrease in compression ratio Increases with increase in compression ratio Increases with decrease in compression ratio Decreases with increase in compression ratio Decreases with decrease in compression ratio Increases with increase in compression ratio Increases with decrease in compression ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed gas turbine in which fuel is burnt directly in the air is not possible because of Increasing gas temperature High friction losses High specific volume Paucity of O2 Increasing gas temperature High friction losses High specific volume Paucity of O2 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines An air compressor may be controlled by Blow off control Clearance control Throttle control Any one of the above Blow off control Clearance control Throttle control Any one of the above ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum combustion pressure in gas turbine as compared to I.C. engine is Depends on other factors Less Same More Depends on other factors Less Same More ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In jet engines, paraffin is usually used as the fuel because of its Both (A) and (C) above Low freezing point High calorific value Ease of atomisation Both (A) and (C) above Low freezing point High calorific value Ease of atomisation ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines 1 m of air at atmospheric condition weighs approximately 2.2 kg 1.0 kg 0.5 kg 1.3 kg 2.2 kg 1.0 kg 0.5 kg 1.3 kg ANSWER DOWNLOAD EXAMIANS APP