Civil Engineering · all questions

Applied Mechanics And Graphic Statics
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Q181

The ends of a string weighing w/metre are attached to two points at the same horizontal level. If the central dip is very small, the horizontal tension of the string throughout is

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Q182

A rope is wrapped twice around a rough pole with a coefficient of friction

μ

. It is subjected to a force F₁ at one end and a gradually increasing force F₂ is applied at the other end till the rope just starts slip-ping. At this instant the ratio of F₂ to F₁ is

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Q183

If two forces acting at a point are in equilibrium, they must be equal in magnitude and their line of action must be along

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Q184

Force polygon method is applicable for

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Q185

Force polygon method is applicable for

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Q186

From a solid cylinder of height 8 cm and radius 4 cm, a right circular cone is scooped out on the same base and having the same height as that of the cylinder. The C.G. of the remainder is at a height of

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Q187

The unit of impulse, is

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Q188

The gravitational force makes a satellite go round the earth in a circular orbit, if it is projected with an initial velocity of

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Q189

Two circular discs of same weight and thickness are made from metals having different densities. Which disc will have the larger rotational inertia about its central axis?

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Q190

A rod 5 m in length is moving in a vertical plane. When it is inclined at 60° to horizontal, its lower end is moving horizontally at 3 m/sec and upper end is moving in vertical direction. The velocity of its upper end, is

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Q191

The ratio of kinetic energy and potential energy of a simple harmonic oscillator, at a displacement equal to half its amplitude is given by

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Q192

Newton's law of Collision of elastic bodies states that when two moving bodies collide each other, their velocity of separation

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Q193

A quantity measured in the C.G.S system of units has dimensions M”2L3 T3/2. What numerical factor would be required to convert the quantity to SI units ?

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Q194

The necessary condition of equilibrium of a body is:

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Q195

The resolved part of the resultant of two forces inclined at an angle θ in a given direction is

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Q196

When a body moves round a fixed axis, it has

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Q197

Time of flight of a projectile on a horizontal plane, is

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Q198

If the velocity of projection is 4 m/sec and the angle of projection is

α^{\circ}

, the maximum height of the projectile from a horizontal plane, is

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Q199

Two particles have been projected at angles 64° and 45° to the horizontal. If the velocity of projection of first is 10 m/sec, the velocity of projection of the other for equal horizontal ranges is

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Q200

For maximum range of a projectile, the angle of projection should be

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