Thermodynamics - Data Intensity 2 | Multiple Questions and Answers

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Thermodynamics - Data Intensity 2 Multiple Questions and Answers.

16.	Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle

	A.	combustion is at constant volume
	B.	expansion and compression are isentropic
	C.	maximum temperature is higher
	D.	heat rejection is lower

17.	A mixture of gas expands from 0.03 m3 to 0.06 m3 at a constant pressure of 1 MPa and absorbs 84 kJ of heat during the process. The change in internal energy of the mixture is

	A.	30 kJ
	B.	54 kJ
	C.	84 kJ
	D.	114 kJ

18.	The gas constant (R) is equal to the ____ of two specific heats.

	A.	sum
	B.	difference
	C.	product
	D.	ratio

19.	Otto cycle is also known as

	A.	constant pressure cycle
	B.	constant volume cycle
	C.	constant temperature cycle
	D.	constant temperature and pressure cycle

20.	Producer gas is obtained by

	A.	partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast
	B.	carbonisation of bituminous coal
	C.	passing steam over incandescent coke
	D.	passing air and a large amount of steam over waste coal at about 650�C

Read More :

» Thermodynamics - Data Intensity 1

» Thermodynamics - Data Intensity 2

» Thermodynamics - Data Intensity 3

» Thermodynamics - Data Intensity 4

Date to Date Current Affairs 2022

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