Engineering Mechanics Mcqs
This set of Mechanical engineering Multiple Choice Questions & Answers (MCQs) focuses on study of “ Engineering Mechanics ”. These questions are chosen from a collection of most authoritative and best reference books on Mechanical engineering. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, University and College entrance exams, Jobs and interviews. One should practice our MCQS to assimilate Engineering Mechanics comprehensively.
77. 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
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78. Frictional force encountered after commencement of motion is called ___________________?
Post friction
Limiting friction
Kinematic friction
Frictional resistance
Dynamic friction
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79. Two coplanar couples having equal and opposite moments_________________?
Balance each other
Produce a couple and an unbalanced force
Are equivalent
Produce a moment of couple
Can not balance each other
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80. Pick up the incorrect statement from the following ?
The C.G. of a circle is at its center
The C.G. of a triangle is at the intersection of its medians
The C.G. of a rectangle is at the inter-section of its diagonals
The C.G. of a semicircle is at a distance of r/2 from the center
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81. Which one of the following statements is not correct_________________?
The tangent of the angle of friction is equal to coefficient of friction
The angle of repose is equal to angle of friction
The tangent of the angle of repose is equal to coefficient of friction
The sine of the angle of repose is equal to coefficient to friction
Answer & Solution
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