MCQOPTIONS
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MCQOPTIONS
This section includes 117 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Williot-Mohr diagram is used to determine deflection in__________________? |
| A. | trusses only |
| B. | beam only |
| C. | rigid frames only |
| D. | any type of structure |
| Answer» B. beam only | |
| 2. |
Which of the following represents the state of neutral equilibrium ? |
| A. | a cube resting on one edge |
| B. | a smooth cylinder lying on a curved surface |
| C. | a smooth cylinder lying on a convex surface |
| D. | none of the above |
| Answer» E. | |
| 3. |
Which of the following is a scalar quantity ? |
| A. | energy |
| B. | momentum |
| C. | torque |
| D. | impulse |
| Answer» B. momentum | |
| 4. |
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» C. P/V2 | |
| 5. |
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 | |
| 6. |
When a body slides down an inclined surface, the acceleration of the body is given by__________________? |
| A. | g |
| B. | gsinG |
| C. | g cos 6 |
| D. | g tan 6 |
| Answer» C. g cos 6 | |
| 7. |
Two objects moving with uniform speeds are 5 m apart after 1 second when they move towards each other and are 1 m apart when they move in the same direction. The speeds of the objects are____________________? |
| A. | 2 m/sec and 2 m/sec |
| B. | 3 m/sec and 2 m/sec |
| C. | 3 m/sec and 3 m/sec |
| D. | 4 m/sec and 6 m/sec |
| Answer» C. 3 m/sec and 3 m/sec | |
| 8. |
Two circular discs of same weight and thickness are made from metals having different densities. Which disc will have the larger rotational inertia about its central axis ? |
| A. | disc with larger density |
| B. | disc with smaller density |
| C. | both discs will have same rotational inertia |
| D. | none of the above |
| Answer» C. both discs will have same rotational inertia | |
| 9. |
Two balls of masses 3 kg and 6 kg are moving with velocities of 4 m/sec and 1 m/sec respectively, towards each other along the line of their centers. After impact the 3 kg ball comes to rest. This can happen only if the coefficient of restitution between the balls is____________________? |
| A. | 2/3 |
| B. | 1/5 |
| C. | 3/5 |
| D. | 1/3 |
| Answer» C. 3/5 | |
| 10. |
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» D. 2 sec and 92.7 cm | |
| 11. |
The unit of rotational inertia of a body in C.G.S system is________________? |
| A. | cm4 |
| B. | kg-cm2 |
| C. | gm-cm2 |
| D. | gm-cm3 |
| Answer» D. gm-cm3 | |
| 12. |
The total kinetic energy of a hoop of mass 2 kg and radius 4 m sliding with linear velocity 8 m/sec and angular velocity 5 radian/sec is_________________? |
| A. | 64 J |
| B. | 400 J |
| C. | 464 J |
| D. | 89 J |
| Answer» D. 89 J | |
| 13. |
The torque produced by a force depends on__________________?_x005F_x000D_1) the magnitude of the force_x005F_x000D_2) the direction of the force_x005F_x000D_3) the’point of application of the force relative to origin_x005F_x000D_The correct answer is? |
| A. | only (1) |
| B. | both (1) and (2) |
| C. | both (1) and (3) |
| D. | all (1), (2) and (3) |
| Answer» E. | |
| 14. |
The time period of a simple pendulum depends on__________________?_x005F_x000D_1) mass of suspended particle_x005F_x000D_2) length of the pendulum_x005F_x000D_3) acceleration due to gravity_x005F_x000D_The correct answer is |
| A. | only (1) |
| B. | both (2) and (3) |
| C. | both (1) and (3) |
| D. | all are correct |
| Answer» C. both (1) and (3) | |
| 15. |
The shape of a suspended cable for a uniformly distributed load over it is__________________? |
| A. | circular |
| B. | parabolic |
| C. | catenary |
| D. | cubic parabola |
| Answer» C. catenary | |
| 16. |
The resultant of two forces P and Q is R. If Q is doubled, the new resultant is perpendicular to P. Then_________________? |
| A. | P = R |
| B. | Q = R |
| C. | P = Q |
| D. | None of the above is correct |
| Answer» C. P = Q | |
| 17. |
The ratio of unit of force in gravitational system to that in absolute system is__________________? |
| A. | 1 |
| B. | g |
| C. | 1/g |
| D. | none of the above |
| Answer» C. 1/g | |
| 18. |
The ratio of the speed of a rolling cylinder to the speed of sliding cylinder is_______________? |
| A. | less than 1 |
| B. | equal to 1 |
| C. | between 1 and 2 |
| D. | greater than 2 |
| Answer» B. equal to 1 | |
| 19. |
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» E. | |
| 20. |
The potential energy of a particle falling through a straight shaft drilled through the earth (assumed homogenous and spherical) is proportional to____________________? |
| A. | log r |
| B. | r |
| C. | r2 |
| D. | 1/r |
| Answer» D. 1/r | |
| 21. |
The pole distance is measured in___________________? |
| A. | The pole distance is measured in___________________? |
| B. | force scale |
| C. | mass scale |
| D. | time scale |
| Answer» C. mass scale | |
| 22. |
The number of funicular polygons which can be drawn to pass through two specified points in the space diagram are__________________? |
| A. | zero |
| B. | 1 |
| C. | 2 |
| D. | infinity |
| Answer» E. | |
| 23. |
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 | |
| 24. |
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» D. 1960 m | |
| 25. |
The maximum pull in a cable, carrying a uniformly distributed load and supported at two ends which are at the same level, is at_____________________? |
| A. | supports |
| B. | quarter span |
| C. | mid span |
| D. | none of the above |
| Answer» B. quarter span | |
| 26. |
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» C. maximum kinetic energy and maxi-mum potential energy | |
| 27. |
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 | |
| 28. |
The force polygon representing a set of forces in equilibrium is a_____________________? |
| A. | triangle |
| B. | open polygon |
| C. | closed polygon |
| D. | parallelogram |
| Answer» D. parallelogram | |
| 29. |
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 | |
| 30. |
The dimensions of power are_______________? |
| A. | M’L2T2 |
| B. | M’L’T3 |
| C. | M’L’r2 |
| D. | M’L-‘T* |
| Answer» C. M’L’r2 | |
| 31. |
The dimensions of Gravitational Universal constant ‘G’ are______________? |
| A. | M-‘L2r2 |
| B. | M-‘L3r2 |
| C. | M-2L3T2 |
| D. | M’L3T2 |
| Answer» C. M-2L3T2 | |
| 32. |
The dimensions of centrifugal force are__________________? |
| A. | M1 L2 T2 |
| B. | M’L’T1 |
| C. | M’L’T2 |
| D. | M’L-‘T2 |
| Answer» D. M’L-‘T2 | |
| 33. |
The diagram showing the point of application and line of action of forces in their plane is called____________________? |
| A. | vector diagram |
| B. | space diagram |
| C. | force diagram |
| D. | funicular diagram |
| Answer» C. force diagram | |
| 34. |
The condition of equilibrium for any system of forces in a plane is____________________? |
| A. | that polygon of forces must close |
| B. | that resultant couple must be zero |
| C. | both (A) and (B) |
| D. | none of the above |
| Answer» D. none of the above | |
| 35. |
The condilion for a lifting machine to be reversible is that its efficiency should be_________________? |
| A. | less than 50% |
| B. | more than 50% |
| C. | more than 66.67% |
| D. | equal to 100% |
| Answer» C. more than 66.67% | |
| 36. |
The bending moment in an arch is proportional to___________________? |
| A. | vertical ordinate of funicular polygon |
| B. | vertical ordinate of the arch |
| C. | intercept between the arch axis and the funicular polygon |
| D. | none of these |
| Answer» D. none of these | |
| 37. |
The angular speed of a car taking a circular turn of radius 100 m at 36 km/hr will be___________________? |
| A. | 0.1 rad/sec |
| B. | 1 rad/sec |
| C. | 10 rad/sec |
| D. | 100 rad/sec |
| Answer» B. 1 rad/sec | |
| 38. |
The angular speed of a car while taking a circular turn of radius 100m at 36 km/hour, is_______________? |
| A. | 0.1 radian/sec |
| B. | 1 radian/sec |
| C. | 100 radian/sec |
| D. | 1000 radian/sec |
| Answer» B. 1 radian/sec | |
| 39. |
The angles between two forces to make their resultant a minimum and a maximum respectively are__________________? |
| A. | 0° and 90° |
| B. | 180° and 90° |
| C. | 90° and 180° |
| D. | 180° and 0° |
| Answer» E. | |
| 40. |
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» E. | |
| 41. |
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» D. tan”1 (1/4) | |
| 42. |
Rate of change of angular momentum is equal to_______________? |
| A. | force |
| B. | torque |
| C. | linear momentum |
| D. | impulse |
| Answer» C. linear momentum | |
| 43. |
One Newton is equivalent to_________________? |
| A. | 105 dyne |
| B. | 106 dyne |
| C. | 107 dyne |
| D. | 981 dyne |
| Answer» B. 106 dyne | |
| 44. |
One Newton is equivalent to________________? |
| A. | 1 kg-wt |
| B. | 9.81 kg-wt |
| C. | 981 dyne |
| D. | 1/9.81 kg-wt |
| Answer» E. | |
| 45. |
One Joule is equivalent to________________? |
| A. | 9.81 Newton – metre |
| B. | 1 Newton – metre |
| C. | 1 kg wt – metre |
| D. | 1 dyne – metre |
| Answer» C. 1 kg wt – metre | |
| 46. |
One end of an elastic string of natural length / and modulus X is kept fixed while to the other end is attached a particle of mass m which is hanging freely under gravity. The particle is pulled down vertically through a distance x, held at rest and then released. The motion is___________________? |
| A. | a simple harmonic motion |
| B. | a rectilinear motion with constant speed |
| C. | a damped oscillatory motion |
| D. | none of the above |
| Answer» B. a rectilinear motion with constant speed | |
| 47. |
Minimum pull in a suspended cable with supports at two ends is equal to____________________? |
| A. | horizontal thrust |
| B. | support reactions |
| C. | resultant of horizontal thrust and support reaction |
| D. | half the weight of the cable |
| Answer» B. support reactions | |
| 48. |
Minimum potential energy of a system will be in the position of________________? |
| A. | stable equilibrium |
| B. | unstable equilibrium |
| C. | neutral equilibrium |
| D. | all of the above |
| Answer» B. unstable equilibrium | |
| 49. |
Joule is the unit of__________________? |
| A. | power |
| B. | impulse |
| C. | work |
| D. | momentum |
| Answer» D. momentum | |
| 50. |
It is observed that in a certain sinusoidal oscillation, the amplitude is linearly dependent on the frequency f. If the maximum velocity during the oscillation is V, then V must be proportional to_________________? |
| A. | f |
| B. | 1/f |
| C. | 1/f2 |
| D. | f2 |
| Answer» E. | |