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

Atmospheric pressure is equal to____________?
A 1.013 bar
B 760mm of Hg
C 101.3KN/m2
D All of these
Correct Answer: All of these
Which of the following variables controls the physical properties of a perfect gas_________________?
A pressure
B temperature
C volume
D all of the above
Correct Answer: all of the above
The unit of time in S.I. units is__________________?
A second
B minute
C hour
D day
Correct Answer: second
Which of the following laws is applicable for the behavior of a perfect gas__________________?
A Boyle’s law
B Charles’law
C Gay-Lussac law
D all of the above
Correct Answer: all of the above
The unit of temperature in S.I. units is _________________?
A Centigrade
B Celsius
C Fahrenheit
D Kelvin
Correct Answer: Kelvin
The unit of length in S.I. units is________________?
A meter
B centimeter
C kilometer
D millimeter
Correct Answer: meter
According to Gay-Lussac law for a perfect gas, the absolute pressure of given mass varies directly as____________________?
A temperature
B absolute
C absolute temperature, if volume is kept constant
D volume, if temperature is kept constant
Correct Answer: temperature
General gas equation is____________________?
A PV=nRT
B PV=mRT
C PV=KiRT
D PV = C
Correct Answer: PV=mRT
Which of the following can be regarded as gas so that gas laws could be applicable, within the commonly encountered temperature limits ?
A 02, N2, steam, C02
B Oz, N2, water vapour
C S02, NH3, C02, moisture
D 02, N2, H2, air
Correct Answer: 02, N2, H2, air
A closed system is one in which_________________________?
A mass does not cross boundaries of the system, though energy may do so
B mass crosses the boundary but not the energy
C neither mass nor energy crosses the boundaries of the system
D both energy and mass cross the boundaries of the system
Correct Answer: mass does not cross boundaries of the system, though energy may do so
03079682698
mcqsdrive@gmail.com

Copyright @ 2026 MCQsDrive . All Rights Reserved.