Engineering Mechanics Test Questions


Q.  Coulomb friction is the friction between _________________?

a. bodies having relative motion
b. two dry surfaces
c. two lubricated surfaces
d. solids and liquids
e. electrically charged particles


ANSWER: See Answer
 
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MCQs:  According to Lami’s theorem___________________?
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MCQs:  The center of percussion of the homogeneous rod of length L suspended at the top will be___________________?
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MCQs:  A heavy string attached at two ends at same horizontal level and when central dip is very small approaches the following curve ____________________?
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MCQs:  From a circular plate of diameter 6 cm is cut out a circle whose diameter is a radius of the plate. Find the e.g. of the remainder from the center of circular plate____________________?
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MCQs:  The center of percussion of a solid cylinder of radius r resting on a horizontal plane will be_________________?
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MCQs:  A trolley wire weighs 1.2 kg per meter length. The ends of the wire are attached to two poles 20 meters apart. If the horizontal tension is 1500 kg find the dip in the middle of the span___________________?
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MCQs:  In the equation of virtual work, following force is neglected_______________________?
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MCQs:  Least force required to draw a body up the inclined plane is W sin (plane inclination + friction angle) applied in the direction___________________?
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MCQs:  The resultant of the following three couples 20 kg force, 0.5 m arm, $ ve sense 30 kg force, 1 m arm, – ve sense 40 kg force, 0.25 m arm, + ve sense having arm of 0.5 m will be__________________?
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MCQs:  The coefficient of friction depends on________________?
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MCQs:  If a suspended body is struck at the center of percussion, then the pressure on die axis passing through the point of suspension will be_________________?
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