29th
Aug

Engineering Mechanics MCQ

• 29th Aug, 2022
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Take Engineering Mechanics MCQ Test to Test Your Knowledge

Practice here the best Engineering Mechanics MCQ Questions that checks your basic knowledge of Engineering Mechanics. This Engineering Mechanics MCQ Test contains 20+ Multiple Choice Questions on Engineering Mechanics. Choose the right answer for every questions to check your final preparation for your exams. Apart from this, you can also download Engineering Mechanics MCQ PDF, completely free.

Engineering Mechanics MCQ Quiz

• A. mr2/3
• B.2mr2/3
• C.2mr2/5
• D.3mr2/5

2) In actual machines, mechanical advantage is _________ velocity ratio.

• A. Less than
• B.Equal to
• C.Greater than
• D.None of these

• A. Joule
• B.Horsepower
• C.Watt
• D.kg-m

4) 1 watt is equal to -

• A. 1 joule/s
• B.0.1 joule/s
• C.10 joules/s
• D.100 joules/s

5) When two elastic bodies collide with each other,

• A. The two bodies will momentarily come to rest after collision
• B.The two bodies begin to regain their original shape
• C.The two bodies tend to compress and deform at the surface of contact
• D.All of the above

6) The coefficient of friction depends upon -

• A. Area of contact
• B.Nature of surfaces
• C.Shape of the surfaces
• D.All of the above

7) A machine having an efficiency greater than 50%, is known as -

• A. Non-reversible machine
• B.Reversible machine
• C.Neither reversible nor non-reversible machine
• D.Ideal machine

8) In the lever of third order, load ‘W’, effort ‘P’ and fulcrum ‘F’ are oriented as follows -

• A. F between W and P
• B.W between P and F
• C.P between W and F
• D.W, P and F all on one side

9) Coulomb friction is the friction between -

• A. Bodies having relative motion
• B.Two lubricated surfaces
• C.Two dry surfaces
• D.Solids and liquids

10) Which of the following is the example of lever of first order?

• A. Pair of scissors
• B.Arm of man
• C.Pair of clinical tongs
• D.All of the above

11) In order to double the period of simple pendulum, the length of the string should be

• A. Doubled
• B.Halved
• D.None of these

12) The centre of gravity of a uniform lamina lies at -

• A. The bottom surface
• B.The centre of heavy portion
• C.The midpoint of its axis
• D.All of the above

13) The necessary condition for forces to be in equilibrium is that these should be

• A. Coplanar
• B.Meet at one point
• C.Both 1 & 2
• D.All of the above

• A. Mass
• B.Energy
• C.Momentum
• D.Angle

• A. ω
• B.ωr
• C.ω2r
• D.ω/r

16) The product of either force of couple with the arm of the couple is called

• A. Moment of the couple
• B.Resultant couple
• C.Resulting couple
• D.Moment of the forces

• A. 50 mm
• B.75 mm
• C.87.5 mm
• D.125 mm

18) Which of the following is not a vector quantity?

• A. Weight
• B.Velocity
• C.Acceleration
• D.Force

• A. 15 m
• B.12 m
• C.20 m
• D.24 m

20) Which of the following statements is true for flat belt

• A. They are used in lathe machines
• B.They are used for short distances between the pulleys
• C.They have high efficiency
• D.All of the above

Ram jaiswal

29th May, 2020
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