Compressors, Gas Turbines and Jet Engines The area of actual indicator diagram on an air compressor as compared to area of ideal indicator diagram is Less More Same More/less depending on compressor capacity Less More Same More/less depending on compressor capacity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency is The ratio of the air actually delivered to the amount of piston displacement Reciprocal of compression ratio Index of compressor performance The ratio of stroke volume to clearance volume The ratio of the air actually delivered to the amount of piston displacement Reciprocal of compression ratio Index of compressor performance The ratio of stroke volume to clearance volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The clearance volume of the air compressor is kept minimum because It permits isothermal compression It allows maximum compression to be achieved It greatly affects volumetric efficiency It results in minimum work It permits isothermal compression It allows maximum compression to be achieved It greatly affects volumetric efficiency It results in minimum work ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In n₁ and n₂ are the indices of compression for the first and second stage of compression, then the ratio of work-done on the first and second stages (W₁/W₂) with perfect intercooling is given by W₁/W₂ = n₁(n₂ - 1)/n₂(n₁ - 1) W₁/W₂ = n₂(n₁ - 1)/n₁(n₂ - 1) W₁/W₂ = n₁/n₂ W₁/W₂ = n₂/n₁ W₁/W₂ = n₁(n₂ - 1)/n₂(n₁ - 1) W₁/W₂ = n₂(n₁ - 1)/n₁(n₂ - 1) W₁/W₂ = n₁/n₂ W₁/W₂ = n₂/n₁ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which is false statement about multistage compression? The moisture in air is condensed in the inter-cooler It is best suited for compression ratios around 7:1 Volumetric efficiency is high Power consumption per unit of air delivered is low The moisture in air is condensed in the inter-cooler It is best suited for compression ratios around 7:1 Volumetric efficiency is high Power consumption per unit of air delivered is low ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If infinite number of heaters be used in a gas turbine, then expansion process in turbine approaches Isothermal Isochoric Adiabatic Isentropic Isothermal Isochoric Adiabatic Isentropic ANSWER DOWNLOAD EXAMIANS APP
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