Civil Engineering Mcqs

Which of the following is a scalar quantity ?

• (A)  energy
• (B)  momentum
• (C)  torque
• (D)  impulse

Answer

Submitted By :Ali Uppal

The angle of projection at which the horizontal range and maximum height of a projectile are equal to_____________________?

• (A)  36°
• (B)  45°
• (C)  56°
• (D)  76°

Answer

Submitted By :Ali Uppal

A stone is thrown vertically upwards with a vertical velocity of 49 m/sec. It returns to the ground in________________?

• (A)  5 sec
• (B)  8 sec
• (C)  10 sec
• (D)  20 sec

Answer

Submitted By :Ali Uppal

If the direction of projection bisects the angle between the vertical and the inclined plane, then the range of projectile on the inclined plane is__________________?

• (A)  zero
• (B)  maximum
• (C)  minimum
• (D)  unpredictable

Answer

Submitted By :Ali Uppal

The angle of projection at which the horizontal range and maximum height of a projectile are equal to___________________?

• (A)  45°
• (B)  tan-1 (2)
• (C)  tan-‘ (4)
• (D)  tan”1 (1/4)

Answer

Submitted By :Ali Uppal

In a simple harmonic motion, the position of equilibrium is always_________________?

• (A)  stable
• (B)  unstable
• (C)  neutral
• (D)  none of the above

Answer

Submitted By :Ali Uppal

The maximum displacement of a particle executing S.H.M. corresponds to__________________?

• (A)  zero potential energy and maximum kinetic energy
• (B)  zero kinetic energy and maximum potential energy
• (C)  maximum kinetic energy and maxi-mum potential energy
• (D)  minimum kinetic energy and minimum potential energy

Answer

Submitted By :Ali Uppal

A simple pendulum of length 1 has an energy E when its amplitude is A. If its amplitude is increased to 2 A, the energy becomes____________________?

• (A)  E
• (B)  E/2
• (C)  2E
• (D)  4E

Answer

Submitted By :Ali Uppal

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

• (A)  1:2
• (B)  1:1
• (C)  2:1
• (D)  3:1

Answer

Submitted By :Ali Uppal

Time period and length of a seconds pendulum respectively are_________________?

• (A)  1 sec and 99.4 cm
• (B)  1 sec and 92.7 cm
• (C)  2 sec and 99.4 cm
• (D)  2 sec and 92.7 cm

Answer

Submitted By :Ali Uppal