Engineering Machine - Engineering Machine objective questions and answers


21. Which of the following is not a scalar quantity.......


   A.time

   B.money

   C.weight of a body

   D.body's mass

   E.amount of work


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C.weight of a body

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22. The period of oscillation of a simple pendulum depends on.......


   A.mass of bob

   B.radius of bob

   C.density of bob

   D.its effective length

   E.all of the above


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D.its effective length

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23. In seconds pendulum, the pendulum executes.........


   A.one beat per second

   B.two beats per second

   C.ten beats per second

   D.half beat per second

   E.none of the above is correct


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A.one beat per second

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24. If the speed of rotation of earth decreases, the weight of the body will......


   A.increase

   B.decrease

   C.remain same

   D.man increase/decrease depending on range of increase

   E.unpredictable


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A.increase

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25. Which of the following is the example of lever of first order.......


   A.arm of man

   B.pair of scissors

   C.pair of clinical tongs

   D.all of the above

   E.none of the above


✔ View Answer


D.all of the above

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