Compressors, Gas Turbines and Jet Engines A rocket engine uses __________ for the combustion of its fuel. Its own oxygen Surrounding air None of these Compressed atmospheric air Its own oxygen Surrounding air None of these Compressed atmospheric air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The air-fuel ratio in gas turbines is of the order of 50: 1. 7: 1 15: 1 30: 1 50: 1. 7: 1 15: 1 30: 1 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which is false statement about multistage compression? Volumetric efficiency is high It is best suited for compression ratios around 7:1 The moisture in air is condensed in the inter-cooler Power consumption per unit of air delivered is low Volumetric efficiency is high It is best suited for compression ratios around 7:1 The moisture in air is condensed in the inter-cooler Power consumption per unit of air delivered is low ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in multistage expansion gas turbine results in Maximum work output Reduction in compressor work Decrease of heat loss in exhaust High thermal efficiency Maximum work output Reduction in compressor work Decrease of heat loss in exhaust High thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The assumption made in two stage compression with inter-cooler is that The compression in both the cylinders is polytropic The suction and delivery of air takes place at constant pressure All of the listed here There is no pressure drop in the inter-cooler The compression in both the cylinders is polytropic The suction and delivery of air takes place at constant pressure All of the listed here There is no pressure drop in the inter-cooler ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Producer gas is produced by Passing steam over incandescent coke Passing air and a large amount of steam over waste coal at about 65°C Partial combustion of coal, coke, 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, coke, anthracite coal or charcoal in a mixed air steam blast Carbonisation of coal ANSWER DOWNLOAD EXAMIANS APP