Civil Engineering/Applied Mechanics MCQ Sample Test,Sample questions

Question:
  A jet engine works on the principle of

1.Conservation of energy

2.Conservation of linear momentum

3.Conservation of mass

4. Conservation of mass and momentum

Posted Date:-2022-09-28 15:04:57


Question:
  The unit of impulse, is

1. kg. m / sec

2.kg. m2 / sec

3.kg. m / sec 2

4.kg2. m / sec

Posted Date:-2022-09-28 15:18:33


Question:
 A particle in simple harmonic motion while passing through mean position will have

1. Maximum kinetic energy and maximum potential energy

2.Maximum kinetic energy and minimum potential energy

3. Minimum kinetic energy and maximum potential energy

4.Minimum kinetic energy and minimum potential energy

Posted Date:-2022-09-28 16:57:22


Question:
 For a body moving with simple harmonic motion, the number of cycles per second, is known as its

1. Oscillation

2.Amplitude

3.Periodic time

4.Frequency

Posted Date:-2022-09-28 16:59:18


Question:
 If the angle between the applied force and the direction of motion of a body is between 90o and 180o, the work done is called

1.Virtual work

2.Imaginary work

3.Zero work

4. Negative work

Posted Date:-2022-09-28 14:53:39


Question:
 If the gravitational acceleration at any place is doubled, the weight of a body will

1.Be reduced to half

2.Be doubled

3.Not be affected

4. None of these

Posted Date:-2022-09-28 14:54:48


Question:
 Moment of inertia of a squares of side b about an axis through its centre of gravity, is

1. b3/4

2. b4/12

3.b44/3

4.b4/8

Posted Date:-2022-09-28 15:26:34


Question:
 One-half of a vibration of a body, is called

1.Period time

2.Oscillation

3.Beat

4.Amplitude

Posted Date:-2022-09-28 15:02:18


Question:
 The centre of gravity of a right circular cone lies on its axis of symmetry at a height of

1.h / 2

2.h / 3

3.h / 4

4.h / 5

Posted Date:-2022-09-28 16:49:01


Question:
 The moment of inertia of a thin spherical shell is



1.Mr4/2

2.Mr2

3.2/3 Mr2

4.2/5 Mr2

Posted Date:-2022-09-28 16:39:02


Question:
 The motion of a particle moving with simple harmonic motion, from an extremity to the other, constitutes


 

1.Half an oscillation

2.One an oscillation

3.Two oscillations

4.None of the above

Posted Date:-2022-09-28 17:01:55


Question:
 The path traced by a projectile in the sky, is


1.Circular

2.Parabolic

3.Elliptical

4.Catenary

Posted Date:-2022-09-28 16:51:05


Question:
 The unit of inertia of mass,

1.kg/m

2.kg/m2

3. kg-m2

4. m3

Posted Date:-2022-09-28 15:28:28


Question:
 The velocity of a moving body is

1.A vector quantity

2.A scalar quantity

3. A constant quantity

4.None of these

Posted Date:-2022-09-28 15:07:45


Question:
4.  The locus of the instantaneous centre of a moving rigid body, is

1. Straight line

2.Involute

3.Centroid

4.Spiral

Posted Date:-2022-09-28 14:55:38


Question:
A number of forces acting simultaneously on a particle of a body

1.may be replace by a couple

2.may be replaced by a single force through C.G. of the body

3. may be replaced by a single fore

4.may not be replaced by a single force

Posted Date:-2022-09-28 07:48:31


Question:
A particle moving with a simple harmonic motion attains its maximum velocity when it passes


1. through point at half amplitude

2.the extreme point of the oscillation

3.through the mean position

4.none of these

Posted Date:-2022-09-28 14:21:34


Question:
A projectile is fired at an angle theta to the vertical. It's horizontal range will be maximum when theta is

1.0o

2.30o

3.45o

4.60o

Posted Date:-2022-09-28 16:52:54


Question:
A rigid body suspended vertically at a point and oscillating with a small amplitude under the action of the force of gravity is called

1.second's pendulum

2. simple pendulum

3.compounder pendulum

4.None of these

Posted Date:-2022-09-28 06:36:31


Question:
A smooth cylinder lying on its convex surface remains

1. In stable equilibrium

2.In unstable equilibrium

3. In neutral equilibrium

4.Out of equilibrium

Posted Date:-2022-09-28 15:14:35


Question:
A stone is whirled in a vertical circle, the tension in the string is maximum


1.when the string is horizontal

2.when the stone is at the lowest position

3.when the stone is at the highest position

4.at all the positions

Posted Date:-2022-09-28 14:28:19


Question:
According to Kennedy's theorem, if three bodies have plane motion, their instantaneous centres lie on


1. a triangle

2. two straight lines

3.a straight line

4.a point

Posted Date:-2022-09-28 07:23:51


Question:
Centre of gravity of a thin hollow cone lies on the axis of symmetry at a height of


1.one half of the total height above base

2.one fourth of the total height above base

3.one third of the total height above base

4.none of these

Posted Date:-2022-09-28 07:55:12


Question:
Centrifugal force acting on a body, moving along a circular path, will be



1. equal and opposite to centripetal force

2. equal and similar to centripetal force

3. inversely proportional to centripetal force

4.proportional to centripetal force

Posted Date:-2022-09-28 08:05:05


Question:
Engineer's units of force, is

1.Newton and dyne in absolute units

2.Dyne in absolute units

3.Newton in absolute units

4.All the above

Posted Date:-2022-09-28 07:41:01


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

1. 30o

2.45o

3.60o

4. none of these

Posted Date:-2022-09-28 16:54:43


Question:
If rain falls in the opposite direction of the movement of a pedestrian, he has to hold his umbrella

1.more inclined when moving

2.less inclined when moving

3.less inclined when standing

4.more inclined when standing

Posted Date:-2022-09-28 07:52:00


Question:
In a simple harmonic motion, acceleration of a particle is proportional to


1.Rate of change of velocity

2.Displacement

3.Velocity

4.Direction

Posted Date:-2022-09-28 17:00:40


Question:
Kinetic friction is

1.Maximum value of frictional force when a body is about to move

2. Friction between two well lubricated bodies

3.Friction force acting when the body is in motion

4.Friction force which keeps a body in motion

Posted Date:-2022-09-28 17:04:48


Question:
Newton's Law of Motion is

1. to every action, there is always an equal and opposite

2.the rate of change of momentum is directly proportional to the impressed force, and takes place in the same direction, in which the force acts

3.everybody continues in its state of rest or of uniform motion, in a straight line, unless it is acted upon by some external force

4.all the above

Posted Date:-2022-09-28 14:11:08


Question:
Newton's law of motion of rotation which states, Everybody continues in its state of rest or uniform motion of rotation about an axis unless it is acted upon by some external torque is

1.first law of motion

2.second law of motion

3. third law of motion

4. fourth law of motion

Posted Date:-2022-09-28 06:41:05


Question:
One Newton force, isx

1.103 dynes

2.104 dynes

3.105 dynes

4.106 dynes

Posted Date:-2022-09-28 07:25:39


Question:
Periodic time of body moving with simple harmonic motion is

1. inversely proportional to its angular velocity

2. inversely proportional to the square of its angular velocity

3.directly proportional to the square of its angular velocity

4.directly proportional to its angular velocity

Posted Date:-2022-09-28 06:33:33


Question:
Polar moment of inertia is

1.Same as moment of inertia

2. Applicable to masses whereas moment of inertia is applicable to area only

3.The moment of inertia for an area relative to a linear or axis perpendicular to the plane of the area

4.The moment of inertia for an area relative to a line or axis parallel to the centroidal axis

Posted Date:-2022-09-28 15:30:09


Question:
The angle which an inclined surface makes with the horizontal when a body placed on its is on the point of moving down, is called

1.angle of inclination

2.angle of friction

3.angle of repose

4.None of these

Posted Date:-2022-09-28 07:29:26


Question:
The angle which an inclined surface makes with the horizontal when a body placed on the point of moving down, is called

1.Angle of repose

2. Angle of friction

3.Angle of inclination

4.None of the above

Posted Date:-2022-09-28 15:06:01


Question:
The centre of gravity of a homogeneous body is the point at which the whole

1.Volume of the body is assumed to be concentrated

2.Area of the surface of the body is assumed to be concentrated

3. Weight of the body is assumed to be concentrated

4.All of the above

Posted Date:-2022-09-28 16:44:09


Question:
The centre of gravity of a plane laminate will not be at its geometrical centre if it is a

1.Circle

2.Equilateral triangle

3.Rectangle

4.Right angled triangle

Posted Date:-2022-09-28 16:41:57


Question:
The centre of gravity of a quadrant of a circle lies along its central radius at a distance of

1.0.2 R

2.0.3 R

3.0.4 R

4.0.6 R

Posted Date:-2022-09-28 16:46:33


Question:
The direction of projection should bisect the angle between the inclined plane and the vertical for a range of a projectile on inclined plane



1. to be maximum

2.to be minimum

3.to be zero

4.None of these

Posted Date:-2022-09-28 08:26:49


Question:
The force which produces a acceleration of 1 m/sec2 in a mass of one kg, is called

1. Joule

2.Dyne

3.Newton

4.Energy

Posted Date:-2022-09-28 14:22:34


Question:
The frequency of oscillation on moon as compare to that on earth, will be

1.2.44 times more

2.2.44 times less

3. 3 times less

4.3 times more

Posted Date:-2022-09-28 15:01:04


Question:
The maximum frictional force which comes into play, when a body just begins to slide over the surface of a other body, is known as



1. limiting friction

2. rolling friction

3. sliding friction

4.none of these

Posted Date:-2022-09-28 07:50:45


Question:
The motion of a particle moving with S.H.M. from an extremely to the other, constitutes

1.one full oscillation

2.two oscillations

3.half an oscillation

4.None of these

Posted Date:-2022-09-28 07:26:47


Question:
The necessary condition of equilibrium of a body is

1.algebraic sum of the moments of the forces about a point must be zero

2.algebraic sum of vertical components of all the forces must be zero

3.algebraic sum of horizontal components of all the forces must be zero

4. all a, b and c

Posted Date:-2022-09-28 14:12:23


Question:
The path traced by a projectile in the sky, is

1.parabolic

2.elliptical

3.straight line

4.circular

Posted Date:-2022-09-28 14:14:12


Question:
The periodic time of a body moving in simple harmonic motion is

1.Directly proportional to its angular velocity

2. Directly proportional to the weight of the body

3.Directly proportional to the momentum of swinging body

4.Inversely proportional to the angular velocity

Posted Date:-2022-09-28 16:58:19


Question:
The product of mass and velocity of a moving a body is called

1.impulse

2.power

3.moment

4.momentum

Posted Date:-2022-09-28 08:18:59


Question:
The shape of a suspended cable under its own weight is

1.catenary

2.circular

3.elliptical

4.parabolic

Posted Date:-2022-09-28 07:44:01


Question:
The total time of collision and restitution of two bodies is called

1.period of collision

2. period of impact

3. time of collision

4.all the above

Posted Date:-2022-09-28 08:12:46


Question:
The unit of force in C.G.S. system of units is called

1. kg

2.dyne

3.newton

4.all the above

Posted Date:-2022-09-28 14:32:14


Question:
The unit of moment of inertia of an area,

1. kg/m

2.kg/m2

3.m4

4.m3

Posted Date:-2022-09-28 15:22:49


Question:
The unit of moments in M.K.S. system, is

1. kg-m

2. kg / m2

3.kg /sec2

4.kg /sec

Posted Date:-2022-09-28 15:20:04


Question:
The units of inertia of mass, are

1.kg/m

2.kg/m2

3.kg-m2

4.m4

Posted Date:-2022-09-28 08:23:53


Question:
The vehicle moving on a level circular path will exert pressure such that reaction on

1.inner wheels will be more

2.outer wheels will be more

3.inner as well as outer wheels will be equal

4.none of these

Posted Date:-2022-09-28 07:32:41


Question:
The velocity of a moving body is

1. a constant quantity

2.a scalar quantity

3.a vector quantity

4.none of these

Posted Date:-2022-09-28 06:26:59


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

1.2u sin α/ g

2.2u cos α/ g

3.2u tan α/ g

4. 2u cot α/ g

Posted Date:-2022-09-28 16:56:00


Question:
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

1.10 kg

2. 20 kg

3. 25 kg

4.35 kg

Posted Date:-2022-09-28 08:16:33


Question:
when a body in equilibrium undergoes an infinitely small displacement work imagined to be done, is known as

1. Imaginary work

2.Negative work

3.Virtual work

4.None of these

Posted Date:-2022-09-28 14:52:32


Question:
Which one of the following laws is not applicable to a simple pendulum?

1.The time period is inversely proportional to √g where g is the acceleration due to gravity

2.The time period is proportional to √l where l is length

3.The time period does not depend on its magnitude

4.The time period is proportional to its length l

Posted Date:-2022-09-28 07:31:00


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