#### The Following Section consists of Multiple Choice Questions on Applied Mechanics.

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Applied Mechanics MCQ

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- Question 1 of 20
##### 1. Question

1 points#### The centre of gravity of a triangle is at the point where three

CorrectIncorrect - Question 2 of 20
##### 2. Question

1 points#### The forces which meet at one point and have their lines of action in different planes are called

CorrectIncorrect - Question 3 of 20
##### 3. Question

1 points#### 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

CorrectIncorrect - Question 4 of 20
##### 4. Question

1 points#### The locus of the instantaneous centre of a moving rigid body, is

CorrectIncorrect - Question 5 of 20
##### 5. Question

1 points#### A projectile is thrown at an angle a to the horizontal with α velocity v. It will have the maximum centripetal acceleration

CorrectIncorrect - Question 6 of 20
##### 6. Question

1 points#### 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

CorrectIncorrect - Question 7 of 20
##### 7. Question

1 points#### If the gravitational accelerational at any place is doubled, the weight of a body, will

CorrectIncorrect - Question 8 of 20
##### 8. Question

1 points#### A cable loaded with 0.5 tonne per horizontal metre span is stretched between supports in the same horizontal line 400 m apart. If central dip is 20 m, the minimum tension in the cable, will be

CorrectIncorrect - Question 9 of 20
##### 9. Question

1 points#### The Law of Polygon of Forces states that

CorrectIncorrect - Question 10 of 20
##### 10. Question

1 points#### Which one of the following statements is true ?

CorrectIncorrect - Question 11 of 20
##### 11. Question

1 points#### Engineer’s units of force, is

CorrectIncorrect - Question 12 of 20
##### 12. Question

1 points#### Joule is the unit of

CorrectIncorrect - Question 13 of 20
##### 13. Question

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

CorrectIncorrect - Question 14 of 20
##### 14. Question

1 points#### 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

CorrectIncorrect - Question 15 of 20
##### 15. Question

1 points#### Work may be defined as

CorrectIncorrect - Question 16 of 20
##### 16. Question

1 points#### 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

CorrectIncorrect - Question 17 of 20
##### 17. Question

1 points#### The tension in a cable supporting a lift

CorrectIncorrect - Question 18 of 20
##### 18. Question

1 points#### A satellite moves in its orbit around the earth due to

CorrectIncorrect - Question 19 of 20
##### 19. Question

1 points#### 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

CorrectIncorrect - Question 20 of 20
##### 20. Question

1 points#### The mechanical advantage of an ideal machine is 100. For moving the local through 2 m, the effort moves through

CorrectIncorrect

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Applied Mechanics MCQ 2

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- Question 1 of 20
##### 1. Question

1 points#### When a body in equilibrium undergoes an infinitely small displacement, work imagined to be done, is known as

CorrectIncorrect - Question 2 of 20
##### 2. Question

1 points#### If the radius of the earth is 600 km the height of a mountain above sea level at the top of which a beat seconds pendulum at sea level, looses 27 seconds a day, is

CorrectIncorrect - Question 3 of 20
##### 3. Question

1 points#### The total time of collision and restitution of two bodies, is called

CorrectIncorrect - Question 4 of 20
##### 4. Question

1 points#### The length of a Second’s pendulum, is

CorrectIncorrect - Question 5 of 20
##### 5. Question

1 points#### 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

CorrectIncorrect - Question 6 of 20
##### 6. Question

1 points#### 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 :

CorrectIncorrect - Question 7 of 20
##### 7. Question

1 points#### 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

CorrectIncorrect - Question 8 of 20
##### 8. Question

1 points#### A uniform rod 9 m long weighing 40 kg is pivoted at a point 2 m from one end where a weight of 120 kg is suspended. The required force acting at the end in a direction perpendicular to rod to keep it equilibrium, at an inclination 60° with horizontal, is

CorrectIncorrect - Question 9 of 20
##### 9. Question

1 points#### If a particle is projected inside a horizontal tunnel which is 554 cm high with a velocity of 60 m per sec, the angle of projection for maximum range, is

CorrectIncorrect - Question 10 of 20
##### 10. Question

1 points#### The following factor affects the orbit of a satellite up to an altitude of 720 km from the earth’s surface

CorrectIncorrect - Question 11 of 20
##### 11. Question

1 points#### Newton’s law of Collision of elastic bodies states that when two moving bodies collide each other, their velocity of separation

CorrectIncorrect - Question 12 of 20
##### 12. Question

1 points#### Two forces of 6 Newtons and 8 Newtons which are acting at right angles to each other, will have a resultant of

CorrectIncorrect - Question 13 of 20
##### 13. Question

1 points#### 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

CorrectIncorrect - Question 14 of 20
##### 14. Question

1 points#### A body is said to move with Simple Harmonic Motion if its acceleration, is

CorrectIncorrect - Question 15 of 20
##### 15. Question

1 points#### One end of a light string 4 m in length is fixed to a point on a smooth wall and the other end fastened to a point on the surface of a smooth sphere of diameter 2.25 m and of weight 100 kg. The reaction between the sphere and the wall of the arrangement made is

CorrectIncorrect - Question 16 of 20
##### 16. Question

1 points#### Effect of a force on a body depends upon its

CorrectIncorrect - Question 17 of 20
##### 17. Question

1 points#### The resultant of the forces acting on a body will be zero if the body

CorrectIncorrect - Question 18 of 20
##### 18. Question

1 points#### A ball moving with a velocity of 5 m/sec impinges a fixed plane at an angle of 45° and its direction after impact is equally inclined to the line of impact. If the coefficient of restitution is 0.5, the velocity of the ball after impact will be

CorrectIncorrect - Question 19 of 20
##### 19. Question

1 points#### A Seconds pendulum executes

CorrectIncorrect - Question 20 of 20
##### 20. Question

1 points#### A Second’s pendulum gains 2 minutes a day. To make it to keep correct time its length

CorrectIncorrect

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Applied Mechanics MCQ 3

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- Question 1 of 20
##### 1. Question

1 points#### The following is not a law of static friction :

CorrectIncorrect - Question 2 of 20
##### 2. Question

1 points#### The velocity of a moving body, is

CorrectIncorrect - Question 3 of 20
##### 3. Question

1 points#### A spring scale in a stationary lift shows a reading of 60 kg for a man standing on it. If the lift starts descending at an acceleration of g/5, the scale reading would be

CorrectIncorrect - Question 4 of 20
##### 4. Question

1 points#### A 50 kg boy climbs up a 8 m rope in gymnasiam in 10 sec. The average power developed by the boy is approximately

CorrectIncorrect - Question 5 of 20
##### 5. Question

1 points#### Pick up the incorrect statement from the following. In case of suspension bridge due to rise in temperature,

CorrectIncorrect - Question 6 of 20
##### 6. Question

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

CorrectIncorrect - Question 7 of 20
##### 7. Question

1 points#### For lifting a load of 50 kg through a distance of 2.5 cm, an effort of 12.5 kg is moved through a distance of 40 cm. The efficiency of the lifting machine, is

CorrectIncorrect - Question 8 of 20
##### 8. Question

1 points#### Power can be expressed as

CorrectIncorrect - Question 9 of 20
##### 9. Question

1 points#### If the angle between the applied force and the direction of motion of a body, is between 90° and 180°, the work done, is called

CorrectIncorrect - Question 10 of 20
##### 10. Question

1 points#### To avoid bending action at the base of a pier,

CorrectIncorrect - Question 11 of 20
##### 11. Question

1 points#### For a body moving with simple harmonic motion, the number of cycles per second, is known as its

CorrectIncorrect - Question 12 of 20
##### 12. Question

1 points#### If the horizontal range is 2.5 times the greatest height, the angle of projection of the projectile, is

CorrectIncorrect - Question 13 of 20
##### 13. Question

1 points#### The shape of a suspended cable under its own weight, is

CorrectIncorrect - Question 14 of 20
##### 14. Question

1 points#### Time required to stop a car moving with a velocity 20 m/sec within a distance of 40 m, is

CorrectIncorrect - Question 15 of 20
##### 15. Question

1 points#### Ball A of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/s hits an identical stationary ball B on the table. If the impact is perfectly elastic, the velocity of the ball B just after impact would be

CorrectIncorrect - Question 16 of 20
##### 16. Question

1 points#### One end of a light string 4 m in length is fixed to a point on a smooth wall and the other end fastened to a point on the surface of a smooth sphere of diameter 2.25 m and of weight 100 kg. The tension in the string is

CorrectIncorrect - Question 17 of 20
##### 17. Question

1 points#### The inherent property of a body which offers reluctance to change its state of rest or uniform motion, is

CorrectIncorrect - Question 18 of 20
##### 18. Question

1 points#### 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

CorrectIncorrect - Question 19 of 20
##### 19. Question

1 points#### The angle of friction is :

CorrectIncorrect - Question 20 of 20
##### 20. Question

1 points#### Three forces which act on a rigid body to keep it in equilibrium. The forces must be coplanar and

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Applied Mechanics MCQ 4

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- Question 1 of 20
##### 1. Question

1 points#### For perfectly elastic bodies, the value of coefficient of restitution is

CorrectIncorrect - Question 2 of 20
##### 2. Question

1 points#### The maximum frictional force which comes into play, when a body just begins to slide over the surface of a an other body, is known

CorrectIncorrect - Question 3 of 20
##### 3. Question

1 points#### If two forces of 3 kg and 4 kg act at right angles to each other, their resultant force will be equal to

CorrectIncorrect - Question 4 of 20
##### 4. Question

1 points#### Two shots fired simultaneously from the top and bottom of a vertical tower with elevations of 30° and 45° respectively strike a target simultaneously. If horizontal distance of the target from the tower is 1000 m, the height of the tower is

CorrectIncorrect - Question 5 of 20
##### 5. Question

1 points#### 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,

CorrectIncorrect - Question 6 of 20
##### 6. Question

1 points#### The ratio of the moment of inertia of a rectangle about its centroidal axis to the moment of inertia about its base, is

CorrectIncorrect - Question 7 of 20
##### 7. Question

1 points#### The apparent weight of a man in a moving lift is less than his real weight when it is going down with

CorrectIncorrect - Question 8 of 20
##### 8. Question

1 points#### P is the force acting on a body whose mass is m and acceleration is f. The equation P – mf = 0, is known as

CorrectIncorrect - Question 9 of 20
##### 9. Question

1 points#### Newtons’s Law of Motion is :

CorrectIncorrect - Question 10 of 20
##### 10. Question

1 points#### 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

CorrectIncorrect - Question 11 of 20
##### 11. Question

1 points#### A trolley wire weighs 1 kg per metre length. The ends of the wire are attached to two poles 20 m apart. If the horizontal tension is 1000 kg, the central dip of the cable is

CorrectIncorrect - Question 12 of 20
##### 12. Question

1 points#### Principle of Transmissibility of Forces states that, when a force acts upon a body, its effect is

CorrectIncorrect - Question 13 of 20
##### 13. Question

1 points#### A ball is dropped from a height of 2.25 m on a smooth floor and rises to a height of 1.00 m after the bounce. The coefficient of restitution between the ball and the floor is

CorrectIncorrect - Question 14 of 20
##### 14. Question

1 points#### If the linear velocity of a point on the rim of a wheel of 10 m diameter, is 50 m/sec, its angular velocity will be

CorrectIncorrect - Question 15 of 20
##### 15. Question

1 points#### A marble ball is rolled on a smooth floor of a room to hit a wall. If the time taken by the ball in returning to the point of projection is twice the time taken in reaching the wall, the coefficient of restitution between the ball and the wall, is

CorrectIncorrect - Question 16 of 20
##### 16. Question

1 points#### A number of forces acting simultaneously on a particle of a body

CorrectIncorrect - Question 17 of 20
##### 17. Question

1 points#### The force acting on a point on the surface of a rigid body may be considered to act

CorrectIncorrect - Question 18 of 20
##### 18. Question

1 points#### A satellite is said to move in a synchronous orbit if it moves at an altitude of 36, 000 km with a maximum velocity of about

CorrectIncorrect - Question 19 of 20
##### 19. Question

1 points#### Pick up the incorrect statement from the following :

CorrectIncorrect - Question 20 of 20
##### 20. Question

1 points#### A 49 kg lady stands on a spring scale in an elevator. During the first 5 sec, starting from rest, the scale reads 69 kg. The velocity of the elevator will be

CorrectIncorrect