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

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

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

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

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

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