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Applied Mechanics MCQs | Page - 24

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.

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Madan • 7.44K Points
Tutor III

Q. 231) The area under stress-strain curve represents

(A) Hardness of material
(B) Breaking strength of the material
(C) Energy required to cause failure
(D) Toughness of material
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Madan • 7.44K Points
Tutor III

Q. 232) A flywheel 200 cm in diameter is rotating at 100 rpm. A point on the rim of the flywheel will not have

(A) angular velocity
(B) centripental acceleration
(C) tangential acceleration
(D) all of the above
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Madan • 7.44K Points
Tutor III

Q. 233) A block of weight 20 kg slides with an initial velocity of 2 m sec down an inclined plane on to a spring of stiffness 10 kg/cm. If the co--efficient of friction is 0.2, angle o = 30 the ratio of maximum compession of spring, neglecting friction to that while considering friction would be

(A) More than one
(B) One
(C) Less than one
(D) Depends on the stiffness of spring
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Madan • 7.44K Points
Tutor III

Q. 234) A jet engine works on the principle of

(A) Conservation of energy
(B) Conservation of mass and momentum
(C) Conservation of linear mementum
(D) Conservation of energy and momentum
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Madan • 7.44K Points
Tutor III

Q. 235) The angular velocity of seconds hand of a watch is

(A) 0.01745 sec-1
(B) 0.00001745 sec-1
(C) 0.0001745 sec-1
(D) 0.001745 sec-1
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Madan • 7.44K Points
Tutor III

Q. 236) The statement ---- if three forces acting at a point are in equilibrium, each force is proportional to the sine of the angle between the other two ---- is known as

(A) Law of polygon of forces
(B) D'Alembert's principle
(C) Newtons law of forces
(D) Lami's theorem
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Madan • 7.44K Points
Tutor III

Q. 237) The dimensions of modulus of elasticity are

(A) MLT-2
(B) MLT-1
(C) ML-2T-1
(D) ML-1T-2
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Madan • 7.44K Points
Tutor III

Q. 238) A sphere of radius r is cut from larger sphere of radius R. The distance between their centre is a. The centroid of the remaining valoume lies on the line of centres and the sistanc from the centre of the larger sphere is

(A) ar2 / (R2 - r2)
(B) aR/(R2-r2)
(C) aR/(R - r)
(D) ar3 / (R3 - r3)
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Madan • 7.44K Points
Tutor III

Q. 239) For a perfect frame having 13 members the number of joints must be

(A) 8
(B) 6
(C) 7
(D) 9
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Madan • 7.44K Points
Tutor III

Q. 240) When a body moves round a fixed axis it will have

(A) A motion of rotation and translation
(B) A circular motion
(C) A rotary motion
(D) A translatory motion
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