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Dear candidates you will find MCQ questions of Applied Mechanics here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

H

Harikesh • 8.03K Points
Tutor III

Q. 11) M.I. of sphere of 0.5 m radius about a mutually perpendicular axis (Z-axis) when its M.I. about X-axis and Y-axis are 50 kgm2 and 50 kgm2 is

(A) 50 Kgm2
(B) Tapered bearing
(C) 100 Kgm2
(D) 25 Kgm2
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H

Harikesh • 8.03K Points
Tutor III

Q. 12) A 100 kg flywheel having a radius of gyration of 1 m is rotating at 1000 rpm. The angular momentum of the flywheel about its axis of rotation, in kg m2/s is

(A) 1000
(B) 107 dynes
(C) 10,000
(D) 10,470
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H

Harikesh • 8.03K Points
Tutor III

Q. 13) When a train is rounding a curve to prevent side thrust on the wheel flanges of cars

(A) Opposite thrust is created to counter balance this thrust
(B) Guide rail sections are provided to take care of thrust
(C) Thrust eliminators are provided in the train
(D) Outside rails are realised
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H

Harikesh • 8.03K Points
Tutor III

Q. 14) The dimensions of frequency are

(A) L-2
(B) MLT
(C) L-1
(D) T-1
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H

Harikesh • 8.03K Points
Tutor III

Q. 15) The units of moment of inertia of an area are

(A) kg-m
(B) m4
(C) kg/m4
(D) kg/m3
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H

Harikesh • 8.03K Points
Tutor III

Q. 16) The resultant of coplaner parallel forces is found by load line diagram, while the position is found by

(A) link polygen
(B) funicular polygon
(C) string polygon
(D) any of the above
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Harikesh • 8.03K Points
Tutor III

Q. 17) Two forces of 6 and 8 kg act at right angles to each other, the resultant force will be

(A) 100
(B) 28
(C) 41
(D) 10
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Harikesh • 8.03K Points
Tutor III

Q. 18) A weight of 4.9 N rests on a rough horizontal floor that has a coefficient of friction of 0.5. If g = 9.8 m/s2, the smallest horizontal force that gives the weight an acceleration of 4m/s2 is most nearly

(A) 2.5 N
(B) 3 N
(C) 2 N
(D) 4.5 N
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Harikesh • 8.03K Points
Tutor III

Q. 19) A bob of simple pendulum oscillating in air is made to oscillate in oil. The time period will

(A) Increase
(B) Decrease
(C) Not change
(D) Decrease but reduction depends on viscosity of oil
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H

Harikesh • 8.03K Points
Tutor III

Q. 20) Minimum horsepower of pump required for filling 50m3 water tank, 20 metres high from ground in 30 minutes by lifting water from a well 5 metres below the ground level is

(A) 5.45 KW
(B) 7.5 KW
(C) 6.81 KW
(D) Tapered bearing
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