Compressors, Gas Turbines and Jet Engines If the flow of air through the compressor is perpendicular to its axis, then it is a Reciprocating compressor Turbo compressor Axial flow compressor Centrifugal compressor Reciprocating compressor Turbo compressor Axial flow compressor Centrifugal compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For slow speed large capacity compressor, following type of valve will be best suited Mechanical valve of the Corliss, sleeve, rotary or semi rotary type Poppet valve Any of the above Disc or feather type Mechanical valve of the Corliss, sleeve, rotary or semi rotary type Poppet valve Any of the above Disc or feather type ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The advantage of multistage compression over single stage compression is Lower power consumption per unit of air delivered Decreased discharge temperature All of these Higher volumetric efficiency Lower power consumption per unit of air delivered Decreased discharge temperature All of these Higher volumetric efficiency 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 Isentropic Isothermal Isochoric Adiabatic Isentropic Isothermal Isochoric Adiabatic ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Fighter bombers use following type of engine Turbojet Turbo-propeller Ramjet Rocket Turbojet Turbo-propeller Ramjet Rocket 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) 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 None of these ANSWER DOWNLOAD EXAMIANS APP
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