The angular velocity of hour hand of a watch is
A.0.1045 sec-1
B.0.001745 sec-1
C.0.0001455 sec-1
D.0.0001745 sec-1
E.0.0000145 sec-1
Category: Applied Mechanics Mcqs
Williot-Mohr diagram is used to determine
A.deflection in trusses
B.slope of trusses
C.deflection in beams
D.slope of beams
The radius of gyration of a solid sphere of radius r is equal to
A.0.8 r2
B.0.5 r2
C.0.4 r2
D.0.3 r2
E.0.2 r2
When two concurrent and coplaner forces P and Q act at an angle of 180?, their resultant will be a
A.couple
B.moment equal to PQ
C.zero
D.(P-Q)
The angle of friction is
A.The angle which frictional force makes with the normal
B.The anle at which the force applied from external souce will cause movement
C.The angle at which fictional force is inclined to external force
D.The angle between the normal reaction and the resultant of normal reaction and the limiting friction
E.None of the above
A body is executing simple harmonic motion of amplitude 1 cm. Its velocitywhile passing through the central point is 10 mm/sec. Its frequency will be
A.1 rps
B.1.59 rps
C.1.77 rps
D.2.22 rps
E.2.99 rps
A body weighing 500 kg falls 8 cm and strikes a 500 kg/cm spring. The deformation of the spring will be
A.8 cm
B.?8 cm
C.2 cm
D.20.5 cm
E.4 cm
If the positive and negative shear force diagram areas are not equal, it can be concluded that
A.shear force diagram has been wrongly drawn
B.there are at least two maxima for bending moment
C.bending moment does not change sign
D.there is at least one couple acting on the beam
Which of the following bearing will have least coefficient of friction
A.Self aligury bearing
B.Cylinderical roller bearing
C.Thrust ball bearing
D.Single ball bearing
E.Tapered bearing
