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Mechanical Engineering Objective Questions { Engineering Mechanics }



15. Which of the following is not the unit of distance ?
A.Angstrom
B.Milestone
C.Micron
D.Millimetre

16. Which of the following is not the unit of power ?
A.KW (kilowatt)
B.Kcal/kg-sec
C.Kcal/sec
D.Kg-m/sec

17. Which of the following is not the unit of work, energy and heat ?
A.Kcal
B.Kg m
C.KWhr
D.Hp

18. Which of the following is not the unit of pressure ?
A.Kg/cm2
B.Newton
C.Atmosphere
D.Mm of wcl

19. The weight of a body is due to
A.Centripetal force of earth
B.Gravitational force of attraction towards the centre of the earth
C.Forces experienced by body in atmosphere
D.Force of attraction experienced by particles

20. The forces, which meet at one point, but their lines of action do not lie in a plane, are called
A.Coplanar non-concurrent forces
B.Non-coplanar concurrent forces
C.Non-coplanar non-concurrent forces
D.Intersecting forces

21. When trying to turn a key into a lock, following is applied
A.Coplanar force
B.Couple
C.Lever
D.Moment

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