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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Applied Mechanics MCQ Practice Questions (Civil Engineering) Set 2
The Law of Polygon of Forces states that:
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Parallelogram Law of Forces states, "if two forces acting simultaneously on a particle be represented in magnitude and direction by two adjacent sides of a parallelogram, their resultant may be represented in magnitude and direction by:
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The equation of motion of a particle starting from rest along a straight line is x = t^(3) - 3t^(2) + 5. The ratio of the accelerations after 5 sec and 3 sec will be:
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Applied Mechanics MCQ Practice Questions (Civil Engineering) Set 3
If a body moves in such a way that its velocity increases by equal amount in equal intervals of time, it is said to be moving with:
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If three rigid rods are hinged together to form a triangle and are given rotary as well as translatory motion, the number of instantaneous centres of the triangle, will be:
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The resultant of two forces P and Q acting at an angle ?, is:
A.
P^(2) + Q^(2) + 2P sin ?
B.
P^(2) + Q^(2) + 2P cos ?
C.
P^(2) + Q^(2) + 2P tan ?
D.
E.
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Applied Mechanics MCQ Practice Questions (Civil Engineering) Set 4
Two forces act an angle of 120�. If the greater force is 50 kg and their resultant is perpendicular to the smaller force, the smaller force is:
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At a given instant ship A is travelling at 6 km/h due east and ship B is travelling at 8 km/h due north. The velocity of B relative to A is:
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The product of mass and velocity of a moving a body, is called:
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Applied Mechanics MCQ Practice Questions (Civil Engineering) Set 5
A string of length 90 cm is fastened to two points A and B at the same level 60 cm apart. A ring weighing 120 g is slided on the string. A horizontal force P is applied to the ring such that it is in equilibrium vertically below B
The value of P is:
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The tension in a cable supporting a lift:
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A bullet weighing 200 g is fired horizontally with a velocity of 25 m/sec from a gun carried on a carriage which together with the gun weighs 100 kg. The velocity of recoil of the gun, will be:
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Applied Mechanics MCQ Practice Questions (Civil Engineering) Set 6
A square hole is punched out of a circular lamina, the diagonal of the square being the radius of the circle. If r is the radius of the circle, the C.G. of the remainder from the corner of the square on the circumference will be:
A.
B.
C.
D.
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Pick up the correct statement from the following:
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The C.G. of a right circular cone lies on its axis of symmetry at a height of:
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Applied Mechanics MCQ Practice Questions (Civil Engineering) Set 7
The angle which an inclined surface makes with the horiontal when a body placed on it is on the point of moving down, is called:
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The unit of Moment of Inertia of a body, is:
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The centre of gravity of a triangle is at the point where three:
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Applied Mechanics MCQ Practice Questions (Civil Engineering) Set 8
Engineer's units of force, is:
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The c.g. of the shaded area of the below figure whose curve OM is a parabola from y-axis, is:
A.
B.
C.
D.
E.
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The c.g. of a thin hollow cone of height h, above its base lies on the axis, at a height of:
A.
B.
C.
D.
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Applied Mechanics MCQ Practice Questions (Civil Engineering) Set 9
The length of a Second's pendulum, is:
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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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One Newton force, is:
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The locus of the instantaneous centre of a moving rigid body, is:
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Which one of the following statements is true ?
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If the gravitational accelerational at any place is doubled, the weight of a body, will:
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The vertical reaction at the support A of the structure shown in below figure, is
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To attain the synchronous orbit, the launch of a satellite, is done from a place:
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