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Applied Mechanics And Graphic Statics
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Q161

The units of moment of inertia of an area are

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Q162

A flywheel of moment of inertia 20 kg.m is acted upon by a tangential force of 5 N at 2 m from its axis, for 3 seconds. The increase in angular velocity in radian per second is

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Q163

The maximum velocity of a body vibrating with a simple harmonic motion of amplitude 150 mm and frequency 2 vibrations/sec, is

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Q164

A ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being

\frac{1}{3}

. The ball rebounds at the same angle. The fraction of its kinetic energy lost is

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Q165

For a self-locking machine, the efficiency should be

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Q166

The condilion for a lifting machine to be reversible is that its efficiency should be

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Q167

Coefficient of friction depends on

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Q168

The ratio of the speed of a rolling cylinder to the speed of sliding cylinder is

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Q169

A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The mechanical advantage of the lifting machine is

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Q170

A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The velocity ratio of the lifting machine is

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Q171

A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The efficiency of the lifting machine is

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Q172

A projectile is fired with a velocity of 100.3 m/sec. at an elevation of 60°. The velocity attained by the projectile when it is moving at a height of 100 m, is

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Q173

A weight ‘W’ is suspended at the free end of a light member hinged to a vertical wall. If the angle of inclination of the member with the upper wall is θ°, the force introduced in the member, is

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Q174

A stone of mass 1 kg is tied to a string of length 1 m and whirled in a horizontal circle at a constant angular speed 5 rad/sec. The tension in the string is,

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Q175

Two loads of 50 kg and 75 kg are hung at the ends of a rope passing over a smooth pulley shown in below figure. The tension in the string is:
Applied Mechanics and Graphic Statics mcq question image

Applied Mechanics and Graphic Statics mcq question image

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Q176

If the direction of projection bisects the angle between the vertical and the inclined plane, then the range of projectile on the inclined plane is

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Q177

Williot-Mohr diagram is used to determine deflection in

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Q178

Total no of instantaneous centers of a machine having ‘n’ links, is

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Q179

The acceleration of a train starting from rest at any instant is

\frac{1}{6 ( V + 1 )} m/se c^{2}

where ‘V’ is the velocity of the train in m/sec. The train will attain a velocity of 36 km/hour after travelling a distance of

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Q180

A particle moves in a straight line and its position is defined by the equation x = 6t² - t³ where t is expressed in seconds and ‘x’ in meters. The maximum velocity during the motion is

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