In a closed cycle gas turbine, the air is compressed Polytropically Isentropically Isothermally None of these TRUE ANSWER : ? YOUR ANSWER : ?
Gas turbine works on Brayton or Atkinson cycle Ericsson cycle Rankine cycle Carnot cycle TRUE ANSWER : ? YOUR ANSWER : ?
Maximum work is done in compressing air when the compression is Polytropic Adiabatic Isothermal None of these TRUE ANSWER : ? YOUR ANSWER : ?
For speed above 3000 km/hour, it is more advantageous to use Turbojet engine Propellers Ramjet engine Rockets TRUE ANSWER : ? YOUR ANSWER : ?
The stagnation pressure rise in a centrifugal compressor takes place In the diffuser and impeller In the impeller only In the inlet guide vanes only In the diffuser only TRUE ANSWER : ? YOUR ANSWER : ?
Efficiency of gas turbine is increased by Adding a regenerator All of the listed here Reheating Inter cooling TRUE ANSWER : ? YOUR ANSWER : ?
The clearance volume of the air compressor is kept minimum because It permits isothermal compression It results in minimum work It allows maximum compression to be achieved It greatly affects volumetric efficiency TRUE ANSWER : ? YOUR ANSWER : ?
The closed cycle in gas turbines Is used when gas is to be burnt Provides greater flexibility In never used Provides lesser flexibility TRUE ANSWER : ? YOUR ANSWER : ?
A large clearance volume in a reciprocating compressor results in Lower delivery pressure Reduced volume flow rate Lower suction pressure Increased volume flow rate TRUE ANSWER : ? YOUR ANSWER : ?
The air is delivered ________ in one revolution in case of a three lobbed rotor. Three times Two times Six times Four times TRUE ANSWER : ? YOUR ANSWER : ?