Engineering Machine - Engineering Machine objective questions and answers


41. Forces are called coplanar when all of them acting on body lie in.......


   A.one point

   B.one plane

   C.different planes

   D.perpendicular planes

   E.different points


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B.one plane

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42. A force acting on a body may.......


   A.introduce internal stresses

   B.balance the other forces acting on it

   C.retard its motion

   D.change its motion

   E.all of the above


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E.all of the above

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


   A.Momentum and impulse

   B.Torque and enegry

   C.torque and work

   D.kinetic energy and potential energy

   E.all of the above


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E.all of the above

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44. Which of the following is not the unit of work, enegry and heat ?......


   A.kcal

   B.kg m

   C.kw hr

   D.hp

   E.hp hr


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D.hp

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45. The unit of power in S.I. units is.......


   A.newton

   B.pascal

   C.kilogram metre

   D.watt

   E.joule


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B.pascal

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