Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency, even when running at high speed, can be approached by using Cold water spray Multistage compression Both (A) and (B) above Fully insulating the cylinder Cold water spray Multistage compression Both (A) and (B) above Fully insulating the cylinder ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The fuel consumption in gas turbines is accounted for by Lower heating value Heating value Higher calorific value Higher heating value Lower heating value Heating value Higher calorific value Higher heating value ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For an irreversible gas turbine cycle, the efficiency and work ratio both depend on Maximum cycle temperature alone Minimum cycle temperature alone Both pressure ratio and maximum cycle temperature Pressure ratio alone Maximum cycle temperature alone Minimum cycle temperature alone Both pressure ratio and maximum cycle temperature Pressure ratio alone ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volume of air sucked by the compressor during its suction stroke is called Free air delivery Compressor capacity None of these Swept volume Free air delivery Compressor capacity None of these Swept volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The blades of gas turbine are made of Stainless steel High nickel alloy Carbon steel High alloy steel Stainless steel High nickel alloy Carbon steel High alloy steel ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If p₁, is the pressure of air entering the L.P. cylinder and p₂ is the pressure of air leaving the L.P. cylinder (or inter-cooler pressure), then the ratio of cylinder diameters for a single acting, two stage reciprocating air compressor with complete intercooling is given by (where D₁ = Dia. of L.P. cylinder, and D₂ = Dia. of H.P. cylinder) None of these D₁/D₂ = p₁/p₂ D₁/D₂ = p₁ p₂ D₁/D₂ = p₂/p₁ None of these D₁/D₂ = p₁/p₂ D₁/D₂ = p₁ p₂ D₁/D₂ = p₂/p₁ ANSWER DOWNLOAD EXAMIANS APP
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