Engineering Mechanics – Free PSC Quiz (16)

 Free PSC Quiz for civil engineers (Topic: Engineering Mechanics):

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Wincentre classes started sharing Free MCQs for the civil graduates who is preparing for PSC Exams. Stay tuned with us. All the best for your exam preparations.

1. A flywheel is rotating at 100 rpm and after 5 seconds it rotates at 150 rpm. The initial and final angular velocity respectively is


2. A lift has an upward acceleration of 1m/s2.What is the pressure exerted by a man weighing 500N on the floor of lift?


3. An object of mass 1kg is rotated in horizontal circle of radius 1m length at an angular velocity 5rad/sec. The centripetal acceleration is


4. The efficiency of lifting machine is given by


5. The ratio of ideal effort to actual effort of a screw jack gives


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