Engineering Machine - Engineering Machine objective questions and answers


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


   A.Time

   B.Mass

   C.Volume

   D.Density

   E.Acceleration


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E.Acceleration

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22. M.I. of a circular area about an axis perpendicular to the area is.......


   A.Mr2

   B.π r4/2

   C.2/5 Mr2

   D.2/3 Mr2

   E.Mr2/2


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B.π r4/2

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23. M.I. of a solid sphere is.........


   A.Mr2

   B.π r4/2

   C.2/5 Mr2

   D.2/3 Mr2

   E.Mr2/2


✔ View Answer


C.2/5 Mr2

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24. M.I. of a spherical shell is......


   A.Mr2

   B.π r4/2

   C.2/5 Mr2

   D.2/3 Mr2

   E.Mr2/2


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D.2/3 Mr2

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25. The escape velocity in relation to orbital velocity is.......


   A.Same

   B.√2 times

   C.1/√2 times

   D.2 times

   E.1/2 times


✔ View Answer


B.√2 times

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