Civil Engineering MCQ Quiz Hub

1. The law stating that the algebraic sum of moments of a system of coplanar forces about a moment centre is equal to the moment of their resultant force about the same moment centre is known as
D' Alembert principle
Lami's theorem
Law of transmissibility of forces
Varignon's theorem

2. The angle of inclined plane with the horizontal when a body placed on it is on the verge of sliding down is known as
Angle of repose
Angle of friction
Cone of friction
Coefficient of friction

3. A body is said to have plane motion when
It possesses translation as well as rotation
It rotates around a point
It moves in a curved path on a plane surface
It moves in a straight line on a plane surface

4. The system of forces acting on a moving body is in a dynamic equilibrium with the inertia force of the body. This low is known as
Impulse momentum theorem
Lami;s theorem
Work energy principle
D' Alembert’s principle

5. A motion in which acceleration of the body is directly proportional to its displacement and directed toward the origin is called
Simple harmonic motion
Circular motion
Curvilinear motion
Angular motion

6. Which one of the following is wrong in the list of assumptions for the analysis of pin jointed truss?
Ends of members are pin connected
Loads act vertically
Self weighted neglected
Load acts at joint only

7. The angles between the two forces to make their resultant a minimum and a maximum are respectively
0° and 180°
90° and 0°
180° and 90°
180° and 0°

8. Which one of the following is fundamental law of forces?
Parallelogram law
Lami's theorem
Polygonal law
Triangle law

9. The coefficient of friction depends upon
The shape of contact area
The area of contact
The roughness of the surface
All of the above

10. Compared to static friction, dynamic friction is
Depending upon the value of coefficient of friction it may be more or less
Same
Less
More

11. In the method of sections for the analysis of trusses, the section line should
cut not more than 3 members and separate the truss into two independent parts
cut 3 members and separate it into two independent parts
cut only three members
cut at least 3 members

12. At the instantaneous centre, the velocity of the moving lamina at any instant is
varying
minimum
maximum
zero

13. When a body moves in a curved path, centrifugal force to be applied to bring it to dynamic equilibrium is in the direction
tangentially forward
tangentially backward
radially inward
radially outward

14. In a velocity time curve the slope represents
acceleration
displacement
velocity
none of the above

15. Friction is a kind of
active force
body force
reactive force
none of the above

16. A particle has
neither mass nor size
no mass but only size
only mass and no size
none of the above are correct concept of a particle

17. The maximum angle upto which grains can be heaped is known as
angle of friction
angle of repose
coefficient of friction
cone of friction

18. A point on the wheel of a moving vehicle is having
curvilinear motion
general plane motion
rectilinear translation
rotation

19. One watt of power is equal to
one joule of work done per minute
one kilo-joule of work done per minute
one kilo-joule of work done per second
one joule of work done per second

20. Instantaneous centre is at infinity when the angular velocity is
constant
zero
maximum
minimum

21. Coefficient of restitution is an impact of two bodies is given by
Velocityofseparation/ Velocityofapproach
Velocityofapproach/ Velocityofseparation
Relativevelocityofseparation/ Relativevelocityofapproach
Relativevelocityofapproach /Relativevelocityofseparation

22. Which one of the following is not a vector?
acceleration
momentum
distance
velocity

23. Free body diagram means
the diagram of a freely suspended body
the diagram of a body with applied forces, self-weight ad reactions
the diagram of a body with applied forces
the diagram drawn with free hand

24. In acceleration time curve, the velocity is represented by
area under the curve
ordinate of the curve
slope of the curve
none of the above

25. Design speed on a banked curved path is
to avoid lateral pressure on tyres
to avoid overturning of the vehicle
to avoid skidding of the vehicle
All of the above

26. If a stone of mass m is dropped from a height h on a ground, the velocity of strike is
2 gh
m gh
√2mgh
√2gh

27. Which one of the following is indeterminate beam?
simply supported beam
one end hinged, other on roller
both ends hinged
cantilever

28. Unit of constant of gravitation is
newton
m-sec
m/sec2
N m2 / kg2