Mechanical Engineering Questions And Answers :: Engineering Mechanics: part3



Mechanical Engineering : Engineering Mechanics QUESTIONS AND ANSWERS :: part3 : 1 to 5

Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2014 and IES 2014 examinations :

1.63. If a suspended body is struck at the centre of percussion, then the pressure on die axis passing through the point of suspension will be

maximum
minimum
zero
infinity
same as the force applied.

2.62. In the equation of virtual work, following force is neglected

reaction of any smooth surface with which the body is in contact
reaction of a rough surface of a body which rolls on it without slipping
reaction at a point or an axis, fixed in space, around which a body is con-strained to turn
all of the above
none of the above.

3.59. The centre of percussion of a solid cylinder of radius r resting on a horizontal plane will be

r/2
2r/3
r/A
3r/2
3r/A.

4.70. Least force required to draw a body up the inclined plane is W sin (plane inclination + friction angle) applied in the direction

along the plane
horizontally
vertically
at an angle equal to the angle of fric�tion to the inclined plane
unpredictable.

5.73. On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be

towards the wall at its upper end
away from the wall at its upper end
upwards at its upper end
downwards at its upper end
none of the above.

More Engineering Mechanics QUESTIONS AND ANSWERS available in next pages

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