Compressors, Gas Turbines and Jet Engines The air-fuel ratio in gas turbines is of the order of 30: 1 15: 1 50: 1. 7: 1 30: 1 15: 1 50: 1. 7: 1 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines When air is to be compressed at a high pressure, then it is advantageous to use Multistage compression with intercooling None of these Multistage compression without intercooling Single stage compression Multistage compression with intercooling None of these Multistage compression without intercooling Single stage compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volume of air delivered by the compressor is called Swept volume Compressor capacity None of the listed here Free air delivery Swept volume Compressor capacity None of the listed here Free air delivery ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines There is a certain pressure ratio (optimum) for a gas turbine at which its thermal efficiency is maximum. With increase in turbine temperature, the value of pressure ratio for the peak efficiency would Decrease None of these Remain same Increase Decrease None of these Remain same Increase 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 Disc or feather type Any of the above Poppet valve Mechanical valve of the Corliss, sleeve, rotary or semi rotary type Disc or feather type Any of the above Poppet valve ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The blades of gas turbine are made of Carbon steel Stainless steel High nickel alloy High alloy steel Carbon steel Stainless steel High nickel alloy High alloy steel ANSWER DOWNLOAD EXAMIANS APP