Compressors, Gas Turbines and Jet Engines Rotary compressor is best suited for Small quantity of air at high pressure Small quantity of air at low pressure Large quantity of air at high pressure Large quantity of air at low pressure Small quantity of air at high pressure Small quantity of air at low pressure Large quantity of air at high pressure Large quantity of air at low pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Choose the correct statement Gas turbine requires lot of cooling water Gas turbines has flat efficiency at part loads Gas turbine is capable of rapid start up and loading Gas turbines have high standby losses and require lot of maintenance Gas turbine requires lot of cooling water Gas turbines has flat efficiency at part loads Gas turbine is capable of rapid start up and loading Gas turbines have high standby losses and require lot of maintenance ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency of a jet engine is higher at Low speeds High speeds High altitudes Low altitudes Low speeds High speeds High altitudes Low altitudes ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The power available for takeoff and climb in case of turbojet engine as compared to reciprocating engine is More Same May be less or more depending on ambient conditions Less More Same May be less or more depending on ambient conditions Less ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency can be attained by running the compressor At very slow speed At average speed At very high speed At zero speed At very slow speed At average speed At very high speed At zero speed 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 = p₂/p₁ D₁/D₂ = p₁/p₂ None of these D₁/D₂ = p₁ p₂ D₁/D₂ = p₂/p₁ D₁/D₂ = p₁/p₂ ANSWER DOWNLOAD EXAMIANS APP
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