Compressors, Gas Turbines and Jet Engines The hottest point in a gas turbine is at the base in the center at the tip between ~ to i of the blade height at the base in the center at the tip between ~ to i of the blade height ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Producer gas is produced by Passing air and a large amount of steam over waste coal at about 65°C Passing steam over incandescent coke Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Carbonisation of coal Passing air and a large amount of steam over waste coal at about 65°C Passing steam over incandescent coke Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Carbonisation of coal ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If V, U and Vr represent the absolute velocity of fluid, velocity of blade, and relative velocity of fluid, and suffix ‘I’ and ‘o’ stand for entry and exit conditions, then in a rotary machine whose degree of reaction is unity Vi = Vo U < Vo V = Uo Vt > Vo Vi = Vo U < Vo V = Uo Vt > Vo ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Maximum temperature in a gas turbine is of the order of 700°C 1000°C 1500°C 2000°C 700°C 1000°C 1500°C 2000°C ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The overall efficiency of the compressed air system is the Ratio of shaft output of the air motor to the shaft input to the compressor Product of shaft output of air motor and shaft input to the compressor None of these Ratio of shaft input to the compressor to the shaft output of air motor Ratio of shaft output of the air motor to the shaft input to the compressor Product of shaft output of air motor and shaft input to the compressor None of these Ratio of shaft input to the compressor to the shaft output of air motor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure ratio Increases First increases and then decreases Decreases Remain same Increases First increases and then decreases Decreases Remain same ANSWER DOWNLOAD EXAMIANS APP
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