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

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

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

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

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

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