Civil Engineering Mcqs

A cube on a smooth horizontal surface___________________?

• (A)  cannot be in stable equilibrium
• (B)  cannot be in neutral equilibrium
• (C)  cannot be in unstable equilibrium
• (D)  can be in any of these states

Answer

Submitted By :Ali Uppal

When two forces, each equal to P, act at 90° to each other, then the resultant will be_____________?

• (A)  P
• (B)  PV2
• (C)  P/V2
• (D)  2P

Answer

Submitted By :Ali Uppal

A rod AB carries three loads of 30 N, 70 N and 100 N at distances of 20 mm, 90 mm and 150 mm respectively from A. Neglecting the weight of the rod, the point at which the rod will balance is_______________?

• (A)  109.5 mm from A
• (B)  119.5 mm from A
• (C)  125.5 mm from A
• (D)  132.5 mm from A

Answer

Submitted By :Ali Uppal

If A is the amplitude of particle executing simple harmonic motion, then the total energy E of the particle is___________________?

• (A)  proportional to A
• (B)  proportional to A2
• (C)  proportional to 1/A2
• (D)  independent of A

Answer

Submitted By :Ali Uppal

A stone is thrown up a slope of inclination 60° to the horizontal. At what angle to the slope must the stone be thrown so as to land as far as possible from the point of projection ?

• (A)  15°
• (B)  30°
• (C)  45°
• (D)  75°

Answer

Submitted By :Ali Uppal

If a projectile is fired with an initial velocity of 10 m/sec at an angle of 60° to the horizontal, its horizontal and vertical velocity at the highest point of trajectory are___________________?

• (A)  0 and 5 m/sec
• (B)  5 m/sec and 0
• (C)  5 V3 m/sec and 0
• (D)  5 and 5V3 m/sec

Answer

Submitted By :Ali Uppal

A projectile has maximum range of 40 m on a horizontal plane. If angle of projection is a and the time of flight is 1 second, then sin a must be about__________________?

• (A)  1/4
• (B)  1/3
• (C)  1/2
• (D)  1/5

Answer

Submitted By :Ali Uppal

The maximum value of the horizontal range for a projectile projected with a velocity of 98 m/sec is__________________?

• (A)  98 m
• (B)  490 m
• (C)  980 m
• (D)  1960 m

Answer

Submitted By :Ali Uppal

For a given velocity of a projectile, the range is maximum when the angle of projection is___________________?

• (A)  30°
• (B)  45°
• (C)  90°
• (D)  0°

Answer

Submitted By :Ali Uppal

When a circular wheel rolls on a straight track, then the shape of body centrode and space centrode respectively are________________?

• (A)  straight line and parabola
• (B)  straight line and circle
• (C)  circle and straight line
• (D)  circle and parabola

Answer

Submitted By :Ali Uppal