M C Q s D r i v e
03079682698
mcqsdrive@gmail.com
About
Contact

Contact Info

03079682698

mcqsdrive@gmail.com

Ad Banner

Mechanical Engineering Mcqs 1919 MCQs [All-Courses]

thumb

Mechanical Engineering MCQs prepared for job test and interview preparation, especially for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover key topics such as Machine Design, Theory of Machines, Hydraulic Machines, and other important mechanical engineering concepts.

All Topics  1919

The efficiency of Diesei cycle with decrease in cut off_________________?
A increases
B decreases
C remains unaffected
D first increases and then decreases
Correct Answer: increases
The thermodynamic difference between a Rankine cycle working with saturated steam and the Carnot cycle is that___________________?
A carnot cycle can’t work with saturated steam
B heat is supplied to water at temperature below the maximum temperature of the cycle
C a rankine cycle receives heat at two places
D rankine cycle is hypothetical
Correct Answer: heat is supplied to water at temperature below the maximum temperature of the cycle
The following cycle is used for air craft refrigeration___________________?
A Brayton cycle
B Joule cycle
C Carnot cycle
D Bell-Coleman cycle
Correct Answer: Brayton cycle
The ideal efficiency of a Brayton cycle without regeneration with increase ni pressure ratio will_________________?
A increase
B decrease
C remain unchanged
D increase/decrease depending on application
Correct Answer: increase
Gas turbine cycle consists of___________________?
A two isothermals and two isentropics
B two isentropics and two constant volumes
C two isentropics, one constant volume and one constant pressure
D two isentropics and two constant pressures
Correct Answer: two isentropics and two constant pressures
The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will______________?
A increase
B decrease
C remain unchanged
D increase/decrease depending on ap-plication
Correct Answer: decrease
Which of the following cycles has maximum efficiency_____________?
A Rankine
B Stirling
C Carnot
D Brayton
Correct Answer: Carnot
The cycle in which heat is supplied at constant volume and rejected at constant pressure is known as_________________?
A Dual combustion cycle
B Diesel cycle
C Atkinson cycle
D Rankine cycle
Correct Answer: Atkinson cycle
Brayton cycle consists’ of following four processes____________________?
A two isothermals and two isentropics
B two isentropics and two constant volumes
C two isentropics, one constant volume and one constant pressure
D two isentropics and two constant pres-sures
Correct Answer: two isentropics and two constant pres-sures
A cycle consisting of two adiabatics and two constant pressure processes is known as___________________?
A Otto cycle
B Ericsson cycle
C Joule cycle
D Stirling cycle
Correct Answer: Joule cycle
03079682698
mcqsdrive@gmail.com

Copyright @ 2026 MCQsDrive . All Rights Reserved.