Compressors, Gas Turbines and Jet Engines Gas turbine works on Carnot cycle Rankine cycle Brayton or Atkinson cycle Ericsson cycle Carnot cycle Rankine cycle Brayton or Atkinson cycle Ericsson cycle ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Rotary compressors are used for delivering Large quantities of air at high pressures Large quantities of air at low pressures Small quantities of air at high pressures Small quantities of air at low pressures Large quantities of air at high pressures Large quantities of air at low pressures Small quantities of air at high pressures Small quantities of air at low pressures ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The combustion efficiency of a gas turbine using perfect combustion chamber is of the order of 0.99 0.9 0.85 0.75 0.99 0.9 0.85 0.75 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The temperature of air at the beginning of the compression stroke is ________ the atmospheric temperature. None of these Equal to Less than More than None of these Equal to Less than More than ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Water gas is produced by 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, eke, 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, eke, anthracite coal or charcoal in a mixed air steam blast ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For maximum work, the reheating should be done to an intermediate pressure of (Where p₁ = Maximum pressure, and p₂ = Minimum pressure) (p₁ - p₂)/2 p₁ p₂ (p₁ + p₂)/2 p₁/p₂ (p₁ - p₂)/2 p₁ p₂ (p₁ + p₂)/2 p₁/p₂ ANSWER DOWNLOAD EXAMIANS APP
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