As Academictask believes that practice is the most important way to success so do visit regularly and Brush up these Mechanical Engineering MCQs regularly to prepare for competitive & entrance exams like NTS, FPSC, ETEA, PPSC, KPPSC, etc. Prepare yourself for government job exams, interviews, and make your career in engineering. Aspiring students and professionals can learn and practice our Mechanical Engineering material MCQs. Here you will find questions & answers with detailed explanations. Mechanical Engineering Objective Questions and answer cover the topic like Engineering Materials, Fluid Mechanics, Hydraulic Machines, Machine Design, Engineering Mechanics, Nuclear Power Plants, Steam Boilers, Engines, Nozzles, Turbines, Compressors, Gas Turbines, Jet Engines, Thermodynamics, Engineering Metrology, Heat Transfer, etc. Also, check basic Electrical engineering MCQs here.

1. If three forces acting in different planes can be represented by a triangle, these will be in________________?

A. non-equilibrium
B. partial equilibrium
C. full equilibrium
D. unpredictable
E. none of the above

2. A pair of smith’s tongs is an example of the lever of__________________?

A. zeioth order
B. first order
C. second order
D. third order
E. fourth order

3. In the lever of third order, load W, effort P and fulcrum F are oriented as follows_________________?

A. W between P and F
B. F between W and P
C. P between W and F
D. W, P and F all on one side
E. none of the above

4. Which of the following is not the unit of pressure ?

A. kg/cm
B. ata
C. atmosphere
D. mm of wcl
E. newton

5. Hot wire anemometer is used to measure_______________?

A. discharge
B. velocity of gas
C. pressure intensity of gas
D. pressure intensity of liquid

6. The unit of power in S.I. units is______________?

A. newton meter
B. watt
C. joule
D. kilogram meter/sec
E. pascal per sec

7. If two equal forces of magnitude P act at an angle 9°, their resultant will be________________?

A. P/2 cos 9/2
B. IP sin 9/2
C. 2P tan 9/2
D. IP cos 9/2
E. Psin 9/2

8. Which of the following do not have identical dimensions ?

A. Momentum and impulse
B. Torque and energy
C. Torque and work
D. Kinetic energy and potential energy
E. Moment of a force and angular momentum

9. Which of the following is not the unit of power ?

A. kW (kilowatt)
B. hp (horse power)
C. kcal/sec
D. kg m/sec
E. kcal/kg sec

10. The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is as per the principle of__________________?

A. forces
B. independence of forces
C. dependence of forces
D. balance of force
E. resolution of forces