Compressors, Gas Turbines and Jet Engines A large clearance volume in a reciprocating compressor results in Lower suction pressure Lower delivery pressure Reduced volume flow rate Increased volume flow rate Lower suction pressure Lower delivery pressure Reduced volume flow rate Increased volume flow rate 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. Equal to Less than None of these More than Equal to Less than None of these More than ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines It is not possible to use closed gas turbine cycle in aeronautical engines because It is inefficient None of these It is bulky It requires cooling water for its operation It is inefficient None of these It is bulky It requires cooling water for its operation ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ram compression in turbojet involves Compression of inlet air Reduction of speed of incoming air and conversion of part of it into pressure energy Lost work Increasing speed of incoming air Compression of inlet air Reduction of speed of incoming air and conversion of part of it into pressure energy Lost work Increasing speed of incoming air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency, even when running at high speed, can be approached by using Cold water spray Fully insulating the cylinder Both (A) and (B) above Multistage compression Cold water spray Fully insulating the cylinder Both (A) and (B) above Multistage compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines An ideal air compressor cycle with clearance on P-V diagram can be represented by following processes One adiabatic, two isobaric, and one constant volume Two adiabatic, one isobaric and one constant volume One adiabatic, one isobaric and two constant volumes Two adiabatic and two isobaric One adiabatic, two isobaric, and one constant volume Two adiabatic, one isobaric and one constant volume One adiabatic, one isobaric and two constant volumes Two adiabatic and two isobaric ANSWER DOWNLOAD EXAMIANS APP