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 atmospheric pressure with rise in altitude decreases__________________?
A linearly
B first slowly and then steeply
C first steeply and then gradually
D unpredictable
Correct Answer: first slowly and then steeply
Capillary action is due to the_________________?
A surface tension
B cohesion of the liquid
C adhesion of the liquid molecules and the molecules on the surface of a solid
D all of the above
Correct Answer: all of the above
The rise or depression of liquid in a tube due to surface tensionwim increase in size of tube will________________?
A increase
B remain unaffected
C may increase or decrease depending on the characteristics of liquid
D decrease
Correct Answer: decrease
The units of dynamic or absolute viscosity are__________________?
A metres2 per sec
B kg sec/meter
C newton-sec per meter
D newton-sec2 per meter
Correct Answer: newton-sec per meter
The property by virtue of which a liquid opposes relative motion between its different layers is called_________________?
A surface tension
B co-efficient of viscosity
C viscosity
D osmosis
Correct Answer: viscosity
To avoid an interruption in the flow of a syphon, an air vessel is provided__________________?
A at the inlet
B at the outlet
C at the summit
D ay nay point between inlet and outlet
Correct Answer: at the summit
If the surface of liquid is convex, men ___________________?
A cohesion pressure is negligible
B cohesion pressure is decreased
C cohesion pressure is increased
D there is no cohesion pressure
Correct Answer: cohesion pressure is increased
Rain drops are spherical because of__________________?
A viscosity
B air resistance
C surface tension forces
D atmospheric pressure
Correct Answer: surface tension forces
The angle of contact in case of a liquid depends upon___________________?
A the nature of the liquid and the solid
B the material which exists above the free surface of the liquid
C both of die above
D any one of the above
Correct Answer: both of die above
The conditions for the stable equilibrium of a floating body are___________________?
A the meta-center should lie above the center of gravity
B the center of buoyancy and the center of gravity must lie on the same vertical line
C a righting couple should be formed
D all the above are correct
Correct Answer: all the above are correct
03079682698
mcqsdrive@gmail.com

Copyright @ 2026 MCQsDrive . All Rights Reserved.