Compressors, Gas Dynamics and Gas Turbines - Data Intensity 2 | Multiple Questions and Answers

Join Us :: Register Login

Home Classes GK Engineering Past Papers Current Affairs Technical GAT Subject Programming Medical Papers

Compressors, Gas Dynamics and Gas Turbines - Data Intensity 2 Multiple Questions and Answers.

21.	Only rocket engines can be propelled to space because

	A.	they can generate very high thrust
	B.	they have high propulsion efficiency
	C.	these engines can work on several fuels
	D.	they are not air-breathing engines

22.	An aftercooler is used to

	A.	remove impurities from air
	B.	reduce volume of air
	C.	cause moisture and oil vapour to drop out
	D.	cool the air

23.	High air-fuel ratio in gas turbines

	A.	increases power output
	B.	improves thermal efficiency
	C.	reduces exhaust temperature
	D.	do not damage turbine blades

24.	The ratio of the volume of free air delivery per stroke to the swept volume of the piston, is known as

	A.	compressor efficiency
	B.	volumetric efficiency
	C.	isothermal efficiency
	D.	mechanical efficiency

25.	The ratio of the indicated power to the shaft power or brake power of the motor or engine required to drive the compressor, is called

	A.	compressor efficiency
	B.	volumetric efficiency
	C.	isothermal efficiency
	D.	mechanical efficiency

Read More :

» Compressors, Gas Dynamics and Gas Turbines - Data Intensity 1

» Compressors, Gas Dynamics and Gas Turbines - Data Intensity 2

» Compressors, Gas Dynamics and Gas Turbines - Data Intensity 3

» Compressors, Gas Dynamics and Gas Turbines - Data Intensity 4

Date to Date Current Affairs 2022

PakMCQs.net

Quick Links

GAT Subject

Computer Science English Mcqs Agriculture

Engineering

Computer Science Civil Engineering

Technical

Networking Electronics Database

Past Papers

Model Papers FPSC Papers