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

Options are :

- 0.3 R
- 0.2 R
- 0.6 R
- 0.5 R
- 0.4 R

**Answer :**0.6 R

**When a body moves round a fixed axis, it has:**

Options are :

- A rotary motion and translatory motion
- A translatory
- A circular motion
- A rotary motion

**Answer :**A circular motion

Applied Mechanics MCQ Practice Questions (Civil Engineering) Set 6

**The Centre of gravity of a 10 x 15 x 5 cm T section from its bottom, is:**

Options are :

- 7.85 cm
- 5.0 cm
- None of above
- 8.75 cm
- 7.5 cm

**Answer :**8.75 cm

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

Options are :

- Through a point at half amplitude
- The extreme point of the oscillation
- Through the mean position
- None of these

**Answer :**Through the mean position

**The reaction at the central support B of the beam ABC hinged at D shown in below figure is:**

Options are :

- 5.8 t
- 0.2 t
- 2 t
- 3.5 t

**Answer :**5.8 t

Applied Mechanics MCQ Practice Questions (Civil Engineering) Set 7

**The moment of inertia of a triangular section (base b, height h) about centroidal axis parallel to the base, is:**

**A.**

**B.**

**C.**

**D.**

**E.**

Options are :

- B
- D
- A
- C
- E

**Answer :**C

**The velocity ratio of an inclined plane of inclination ? with horizontal for lifting a load is:**

Options are :

- tan ?
- sec ?
- cosec ?
- sin ?
- cos ?

**Answer :**cosec ?

**Pick up the correct statement from the following. The kinetic energy of a body:**

Options are :

- Remains constant
- None of these
- Before impact is less than that after impact
- Before impact is more than that after impact
- Before impact is equal to that after impact

**Answer :**Before impact is more than that after impact

Applied Mechanics MCQ Practice Questions (Civil Engineering) Set 8

**If a body is acted upon by a number of coplaner non-concurrent forces, it may:**

Options are :

- Move in any one direction
- All the above
- Rotate about itself without moving
- Move in any one direction rotating about itself
- Be completely at rest

**Answer :**All the above

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

Options are :

- Half an oscillation
- One full oscillation
- None of these
- Two oscillations

**Answer :**Half an oscillation

**The velocity of a moving body, is:**

Options are :

- A vector quantity
- A constant quantity
- None of these
- A scalar quantity

**Answer :**A vector quantity

Applied Mechanics MCQ Practice Questions (Civil Engineering) Set 9

**A
particle is dropped from the top of a tower 60 m high and another is
projected upwards from the foot of the tower to meet the first particle
at a height of 15.9 m. The velocity of projection of the second particle
is:**

Options are :

- 18 m/sec
- 22 m/sec
- 20 m/sec
- 16 m/sec

**Answer :**20 m/sec

**If l is the span of a light suspension bridge whose each cable carries total weight (w) and the central dip is y, the horizontal pull at each support, is:**

**A.**

**B.**

**C.**

**D.**

*wl*

Options are :

- D
- B
- C
- A

**Answer :**B

**Periodic time of a particle moving with simple harmonic motion is the time taken by the particle for:**

Options are :

- Quarter oscillation
- None of these
- Half oscillation
- Complete oscillation

**Answer :**Complete oscillation

**The rate of change of displacement of a body with respect to its surrounding, is known:**

Options are :

- Speed
- Velocity
- None of these
- Acceleration

**Answer :**Velocity

**The frequency of oscillation on moon as compared to that on earth, will be:**

Options are :

- 3 times more
- 3 times less
- 2.44 times more
- 2.44 times less

**Answer :**2.44 times less

**In the structure shown in below figure, the member which carries zero force, is:**

Options are :

- AB
- All the above
- BE
- BD
- BC

**Answer :**All the above

Applied Mechanics MCQ Practice Questions (Civil Engineering) Set 1

**Pick up the correct statement from the following:**

Options are :

- If two equal and perfectly elastic smooth spheres impinge directly, they interchange their velocities
- If a smooth sphere impinges on another sphere, which is at rest, the latter will move along the line of centres
- If two equal spheres which are perfectly elastic impinge at right angles, their direction after impact will still be at right angles
- All the above
- If a sphere impinges directly on an equal sphere which is at rest, then a fraction (1 - e2) the original kinetic energy is lost by the impact

**Answer :**All the above

**For a self-locking machine, the efficiency should be:**

Options are :

- More than 50%
- Less than 60%
- None of these
- 50%

**Answer :**Less than 60%

**The point about which combined motion of rotation and translation of a rigid body takes place, is known as:**

Options are :

- Instantaneous axis
- Virtual centre
- Instantaneous centre
- Point of rotation
- All the above

**Answer :**Instantaneous centre

Applied Mechanics MCQ Practice Questions (Civil Engineering) Set 2

**The practical units of work, is:**

Options are :

- Erg
- Newton
- Joule
- Dyne

**Answer :**Joule

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

Options are :

- To be zero
- None of the these
- To be maximum
- To be minimum

**Answer :**To be maximum

**If two equal forces of magnitude P act at an angle ?, their resultant, will be:**

Options are :

- P tan ?/2
- P sin ?/2
- 2P cos ?/2
- P cos ?/2
- 2P sin ?/2

**Answer :**2P cos ?/2

Applied Mechanics MCQ Practice Questions (Civil Engineering) Set 3

**M.I. of solid sphere, is:**

Options are :

- 2/5 Mr^(2)
- 1/2 Mr^(2)
- 2/3 Mr^(2)
- ?r^(4)/2
- Mr^(2)

**Answer :**Mr^(2)

**When a body slides down an inclined surface, the acceleration ( f) of the body, is given by:**

Options are :

- f = g cos ?
- f = g sin ?
- f = g tan ?
- f = g

**Answer :**f = g sin ?

**The reaction at the support D of the continuous beam ABCD, hinged at two points shown in below figure is:**

Options are :

- 0.5 t ?
- 8.5 t ?
- 1.6 t ?
- 0.5 t ?
- 1.6 t ?

**Answer :**1.6 t ?

**A
ball of mass 1 kg moving with a velocity of 2 m/sec collides a
stationary ball of mass 2 kg and comes to rest after impact. The
velocity of the second ball after impact will be:**

Options are :

- Zero
- 0.5 m/sec
- 2.0 m/sec
- 1.0 m/sec

**Answer :**1.0 m/sec

**A point subjected to a number of forces will be in equilibrium, if:**

Options are :

- Two resolved parts in any two directions at right angles are equal
- None of these
- Algebraic sum of the moments of the forces about the point is zero
- Sum of resolved parts in any two directions at right angles, are both zero
- Algebraic sum of the forces is zero

**Answer :**Sum of resolved parts in any two directions at right angles, are both zero

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

Options are :

- Second's pendulum
- Simple pendulum
- None of these
- Compour pendulum

**Answer :**Compour pendulum

**The unit of impulse, is:**

Options are :

- kg.m/sec^(3)
- kg.m/sec
- kg.m^(2)/sec
- kg.m/sec^(2)

**Answer :**kg.m/sec

- Applied Mechanics MCQ Practice Questions (Civil Engineering) Set 7
- Applied Mechanics MCQ Practice Questions (Civil Engineering) Set 5
- Applied Mechanics MCQ Practice Questions (Civil Engineering) Set 9
- Applied Mechanics MCQ Practice Questions (Civil Engineering) Set 3
- Applied Mechanics MCQ Practice Questions (Civil Engineering) Set 2
- Applied Mechanics MCQ Practice Questions (Civil Engineering) Set 6
- Applied Mechanics MCQ Practice Questions (Civil Engineering) Set 8