Compressors, Gas Turbines and Jet Engines The air entry velocity m a rocket as compared to aircraft is Less Same Zero More Less Same Zero More ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Water gas is produced by Carbonisation of coal Passing steam over incandescent coke Passing air and a large amount of steam over waste coal at about 65°C Partial combustion of coal, eke, anthracite coal or charcoal in a mixed air steam blast Carbonisation of coal Passing steam over incandescent coke Passing air and a large amount of steam over waste coal at about 65°C Partial combustion of coal, eke, anthracite coal or charcoal in a mixed air steam blast ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The closed cycle in gas turbines In never used Is used when gas is to be burnt Provides greater flexibility Provides lesser flexibility In never used Is used when gas is to be burnt Provides greater flexibility Provides lesser flexibility ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The degree of reaction is usually kept ________ for all types of axial flow compressors. 0.4 0.5 0.2 0.3 0.4 0.5 0.2 0.3 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 Ease of atomisation High calorific value Low freezing point Both (A) and (C) above Ease of atomisation High calorific value Low freezing point 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 Decrease continuously Increase first at slow rate and then fast Increase first at fast rate and then slow First increase, reach maximum and then decrease Decrease continuously Increase first at slow rate and then fast Increase first at fast rate and then slow First increase, reach maximum and then decrease ANSWER DOWNLOAD EXAMIANS APP
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