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Engineering Mechanics - Interview Questions and Answers

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66. 126. 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.
Explanation:
67. 17. Which of the following is not the unit of power ?
A. kW (kilowatt)
B. hp (horse power)
C. kcal/sec
D. kg m/sec
E. kcal/kg sec.
Explanation:
68. 105. If three forces acting in different planes can be represented by a triangle, these will be in
A. non-equilibrium
B. partial equilibrium
C. full equilibrium
D. unpredictable
E. none of the above.
Explanation:
69. 122. The M.I. of hollow circular section about a central axis perpendicular to section as compared to its M.I. about horizontal axis is
A. same
B. double
C. half
D. four times
E. one fourth.
Explanation:
70. 111. Which of the following is not the unit of energy
A. kg m
B. kcal
C. wattr
D. watt hours
E. kg m x (m/sec)2.
Explanation: