@⇒ Thermodynamics ⇒ Mechanical Engineering Multiple Choice Questions / Objective type questions, MCQ's, with question and answers, download free PDF, short cut notes, rapid fire notes, best theory

Home⇒ Engineering⇒ Thermodynamics

Note:- You can add tough questions into your favourite list for second revision.


Q1.	The specific heat of air increases with increase in
A.	temperature [Correct Answer]
B.	pressure [Wrong Answer]
C.	both pressure and temperature [Wrong Answer]
D.	variation of its constituents [Wrong Answer]
E.	air flow [Wrong Answer]
View Answer 40 -24 Explanation:- Answer : A Discuss it below : Click here for more comments


Q2.	Otto cycle consists of.
A.	two constant volume and two isentropic processes [Correct Answer]
B.	two constant pressure and two isentropic processes [Wrong Answer]
C.	two constant volume and two isothermal processes [Wrong Answer]
D.	one constant pressure, one constant volume and two isentropic processes [Wrong Answer]
View Answer 14 -5 Explanation:- Answer : A Discuss it below : Click here for more comments


Q3.	The efficiency of Stirling cycle is __________ Carnot cycle.
A.	greater than [Wrong Answer]
B.	less than [Wrong Answer]
C.	equal to [Correct Answer]
D.	none of these. [Wrong Answer]
View Answer 19 -9 Explanation:- Answer : C Discuss it below : Marya Queen Said on 2020-07-04 13:41:47 C Waqas Tahir Said on 2020-03-13 01:04:56 Option B is correct. Click here for more comments


Q4.	If a fluid expands suddenly into vacuum through an orifice of large dimension, then such a process is called
A.	free expansion [Correct Answer]
B.	hyperbolic expansion [Wrong Answer]
C.	adiabatic expansion [Wrong Answer]
D.	parabolic expansion [Wrong Answer]
E.	throttling. [Wrong Answer]
View Answer 16 -4 Explanation:- Answer : A Discuss it below : Click here for more comments


Q5.	The standard value of atmospheric pressure taken at sea level is.
A.	1.013 bar [Wrong Answer]
B.	760 mm of Hg [Wrong Answer]
C.	1013 x 102 N/m2 [Wrong Answer]
D.	all of these [Correct Answer]
View Answer 15 -10 Explanation:- Answer : D Discuss it below : Akshay Kumar Said on 2024-05-20 10:23:21 D Click here for more comments

1 2 ..Next.>> Page 1 of 69

Or