Explore topic-wise MCQs in Civil Engineering.

This section includes 374 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.

351.

Coefficient of friction depends on

A. Nature of surfaces only
B. Area of contact only
C. Both (A) and (B)
D. None of the above
Answer» B. Area of contact only
352.

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

A. Concurrent
B. Parallel
C. Concurrent parallel
D. None of these
Answer» B. Parallel
353.

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

A. Before impact is equal to that after impact
B. Before impact is less than that after impact
C. Before impact is more than that after impact
D. Remain constant
Answer» D. Remain constant
354.

A particle is executing simple harmonic motion in a line 1.0 m long. If the time of one complete vibration is 1 sec, then the maximum velocity of the particle is

A. 1.00 m/sec
B. 1.57 m/sec
C. 3.14 m/sec
D. 6.28 m/sec
Answer» D. 6.28 m/sec
355.

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

A. Weight
B. Mass
C. Inertia
D. Momentum
Answer» D. Momentum
356.

If the kinetic energy and potential energy of a simple harmonic oscillator of amplitude A are both equal to half the total energy, then the displacement is equal to

A. A
B. A/2
C. A/v2
D. A/v2
Answer» D. A/v2
357.

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

A. Parabolic
B. Circular
C. Catenary
D. Elliptical
Answer» D. Elliptical
358.

The tension in a cable supporting a lift

A. Is more when the lift is moving downwards
B. Is less when the lift is moving upwards
C. Remains constant whether its moves downwards or upwards
D. Is less when the lift is moving downwards
Answer» E.
359.

A particle executes a simple harmonic motion. While passing through the mean position, the particle possesses

A. Maximum kinetic energy and minimum potential energy
B. Maximum kinetic energy and maximum potential energy
C. Minimum kinetic energy and maximum potential energy
D. Minimum kinetic, energy and minimum potential energy
Answer» B. Maximum kinetic energy and maximum potential energy
360.

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. None of these
Answer» C. Minimum
361.

In which of the following trusses, the method of substitution is required for determining the forces in all the members of the truss by graphic statics?

A. Howe truss
B. King post truss
C. Fink truss
D. Warren truss
Answer» D. Warren truss
362.

The graphical method of determining the forces in the members of a truss is based on

A. Method of joint
B. Method of section
C. Either method
D. None of the two methods
Answer» B. Method of section
363.

Free body diagram is an

A. Isolated joint with only body forces acting on it
B. Isolated joint with internal forces acting on it
C. Isolated joint with all the forces, internal as well as external, acting on it
D. None of the above
Answer» D. None of the above
364.

A light rope is loaded with many equal weights at equal horizontal intervals. The points of suspension on the rope lie on a

A. Parabola
B. Catenary
C. Cycloid
D. Ellipse
Answer» B. Catenary
365.

The time period of a simple pendulum depends on (i) Mass of suspended particle (ii) Length of the pendulum (iii) Acceleration due to gravity The correct answer is

A. Only (i)
B. Both (ii) and (iii)
C. Both (i) and (iii)
D. All are correct
Answer» C. Both (i) and (iii)
366.

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» D. Circle and parabola
367.

A sphere and a cylinder having the same mass and radii start from rest and roll down the same inclined plane. Which body gets to the bottom first?

A. Sphere with greater rotational energy at bottom than cylinder
B. Sphere with lesser rotational energy at bottom than cylinder
C. Cylinder with greater rotational energy at bottom than sphere
D. Both reach the bottom simultaneously with equal rotational energy at bottom
Answer» C. Cylinder with greater rotational energy at bottom than sphere
368.

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 maximum potential energy
D. Minimum kinetic energy and minimum potential energy
Answer» C. Maximum kinetic energy and maximum potential energy
369.

A heavy ladder resting on floor and against a vertical wall may not be in equilibrium if

A. Floor is smooth and wall is rough
B. Floor is rough and wall is smooth
C. Both floor and wall are rough
D. Both floor and wall are smooth
Answer» E.
370.

A ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being 1/3. The ball rebounds at the same angle. The fraction of its kinetic energy lost is

A. 1/3
B. 2/3
C. 1/9
D. 8/9
Answer» E.
371.

The member forces in a statically in determinate truss

A. Can be obtained by graphic statics
B. Cannot be obtained by graphic statics
C. May be obtained by graphic statics
D. Can be obtained by graphic statics by trial and error
Answer» C. May be obtained by graphic statics
372.

In a lifting machine with efficiency 60%, an effort of 200 N is required to raise a load of 6 kN. The velocity ratio of the machine is

A. 30
B. 50
C. 60
D. 80
Answer» C. 60
373.

The following is in unstable equilibrium

A. A uniform solid cone resting on a generator on a smooth horizontal plane
B. A uniform solid cone resting on its base on a horizontal plane
C. A solid cube resting on one edge
D. A satellite encircling the earth
Answer» D. A satellite encircling the earth
374.

Select the correct statement

A. The body centrode rolls on the space centrode
B. The space centrode rolls on the body centrode
C. Both body and space centrodes may role on each other
D. The body centrode never touches space centrode
Answer» B. The space centrode rolls on the body centrode