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MCQOPTIONS
This section includes 5814 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 3451. |
Which of the following metal sheets is most effective in preventing dampness ? |
| A. | Copper sheets |
| B. | lead sheets |
| C. | aluminium sheets |
| D. | all the above. |
| Answer» E. | |
| 3452. |
The window which is provided in flat roof of a room, is known |
| A. | dormer window |
| B. | lantern window |
| C. | louvered window |
| D. | sky window. |
| Answer» C. louvered window | |
| 3453. |
A wall constructed with stones to protect slopes of cuttings in natural ground from the action of weathering agents, is called |
| A. | retaining wall |
| B. | breast wall |
| C. | buttress |
| D. | parapet wall. |
| Answer» C. buttress | |
| 3454. |
The thickness of a reinforced brick partition wall, is generally kept |
| A. | 5 cm |
| B. | 10 cm |
| C. | 15 cm |
| D. | 20 cm |
| E. | 25 cm. |
| Answer» C. 15 cm | |
| 3455. |
The total strain energy of a beam of length L, having moment of inertia of its section I, when subjected to a bending moment M, is |
| A. | <img src="/_files/images/civil-engineering/theory-of-structures/87-21-79-1.png"> |
| B. | <img src="/_files/images/civil-engineering/theory-of-structures/87-21-79-2.png"> |
| C. | <img src="/_files/images/civil-engineering/theory-of-structures/87-21-79-3.png"> |
| D. | <img src="/_files/images/civil-engineering/theory-of-structures/87-21-79-4.png"> |
| Answer» D. <img src="/_files/images/civil-engineering/theory-of-structures/87-21-79-4.png"> | |
| 3456. |
The equivalent length of a column of length L, having both the ends hinged, is |
| A. | 2 |
| B. | <i>L</i> |
| C. | <i>L</i> |
| D. | <img src="/_files/images/civil-engineering/theory-of-structures/94-21-151-1.png"> |
| E. | <img src="/_files/images/civil-engineering/theory-of-structures/94-21-151-2.png"> |
| Answer» C. <i>L</i> | |
| 3457. |
A simply supported beam carries varying load from zero at one end and w at the other end. If the length of the beam is a, the maximum bending moment will be |
| A. | <img src="/_files/images/civil-engineering/theory-of-structures/84-21-43-1.png"> |
| B. | <img src="/_files/images/civil-engineering/theory-of-structures/84-21-43-2.png"> |
| C. | <img src="/_files/images/civil-engineering/theory-of-structures/84-21-43-3.png"> |
| D. | <img src="/_files/images/civil-engineering/theory-of-structures/84-21-43-4u.png"> |
| Answer» E. | |
| 3458. |
The strain energy stored in a spring when subjected to greatest load without being permanently distorted, is called |
| A. | stiffness |
| B. | proof resilience |
| C. | proof stress |
| D. | proof load. |
| Answer» C. proof stress | |
| 3459. |
The stiffness of the close coil helical spring is |
| A. | <img src="/_files/images/civil-engineering/theory-of-structures/92-21-132-1.png"> |
| B. | <img src="/_files/images/civil-engineering/theory-of-structures/92-21-132-2.png"> |
| C. | <img src="/_files/images/civil-engineering/theory-of-structures/92-21-132-3.png"> |
| D. | <img src="/_files/images/civil-engineering/theory-of-structures/92-21-132-4.png"> |
| Answer» B. <img src="/_files/images/civil-engineering/theory-of-structures/92-21-132-2.png"> | |
| 3460. |
Two bars, one of steel and the other of copper having areas of cross-sections As and Ac, coefficient of expansion s and c and Young's Modulii Es and Es are rigidly connected together at the ends and subjected to temperature change of t . If the length of the bars initially is L, the final extension of the two bars at t temperature is given by |
| A. | <img src="/_files/images/civil-engineering/theory-of-structures/82-21-15-1.png"> |
| B. | <img src="/_files/images/civil-engineering/theory-of-structures/82-21-15-2.png"> |
| C. | <img src="/_files/images/civil-engineering/theory-of-structures/82-21-15-3.png"> |
| D. | <img src="/_files/images/civil-engineering/theory-of-structures/82-21-15-4.png"> |
| Answer» B. <img src="/_files/images/civil-engineering/theory-of-structures/82-21-15-2.png"> | |
| 3461. |
is the equation of Euler's crippling load, if |
| A. | both the ends are fixed |
| B. | both the ends are hinged |
| C. | one end is fixed and other end is free |
| D. | one end is fixed and other end is hinged. |
| Answer» D. one end is fixed and other end is hinged. | |
| 3462. |
The S.F. diagram of a loaded beam shown in the given figure is that of |
| A. | a simply supported beam with isolated central load |
| B. | a simply supported beam with uniformly distributed load |
| C. | a cantilever with an isolated load at the free end |
| D. | a cantilever with a uniformly distributed load. |
| Answer» E. | |
| 3463. |
The forces acting on the bar as shown in the given figure introduce |
| A. | compressive stress |
| B. | tensile stress |
| C. | shear stress |
| D. | none of these. |
| Answer» D. none of these. | |
| 3464. |
Gradually applied static loads do not change with time their |
| A. | magnitude |
| B. | direction |
| C. | point of application |
| D. | all the above. |
| Answer» E. | |
| 3465. |
A body is said to be in equilibrium if |
| A. | it moves horizontally |
| B. | it moves vertically |
| C. | it rotates about its C.G. |
| D. | none of these. |
| Answer» E. | |
| 3466. |
The ratio of the length and depth of a simply supported rectangular beam which experiences maximum bending stress equal to tensile stress, due to same load at its mid span, is |
| A. | <img src="/_files/images/civil-engineering/theory-of-structures/89-21-94-3.png"> |
| B. | <img src="/_files/images/civil-engineering/theory-of-structures/88-21-88-1.png"> |
| C. | <img src="/_files/images/civil-engineering/theory-of-structures/89-21-94-2.png"> |
| D. | <img src="/_files/images/civil-engineering/theory-of-structures/89-21-94-4.png"> |
| Answer» C. <img src="/_files/images/civil-engineering/theory-of-structures/89-21-94-2.png"> | |
| 3467. |
The maximum deflection due to a load W at the free end of a cantilever of length L and having flexural rigidity EI, is |
| A. | <img src="/_files/images/civil-engineering/theory-of-structures/88-21-83-1.png"> |
| B. | <img src="/_files/images/civil-engineering/theory-of-structures/88-21-83-2.png"> |
| C. | <img src="/_files/images/civil-engineering/theory-of-structures/88-21-83-3.png"> |
| D. | <img src="/_files/images/civil-engineering/theory-of-structures/88-21-83-4.png"> |
| Answer» E. | |
| 3468. |
For the steel member exposed to weather and accessible for repainting, the thickness of steel should not be less than (excepting the webs of Indian Standard rolled steel joists and channels). |
| A. | 4 mm |
| B. | 6 mm |
| C. | 8 mm |
| D. | 10 mm |
| Answer» C. 8 mm | |
| 3469. |
To avoid the tendency of separation of liquid flow, the most suitable ratio of the diameters of the throat and the pipe, is |
| A. | 1/4 to 1/8 |
| B. | 1/3 to 1/2 |
| C. | 1/2 to 3/4. |
| D. | none of these. |
| Answer» C. 1/2 to 3/4. | |
| 3470. |
Poise is the unit of |
| A. | viscosity |
| B. | velocity gradient |
| C. | mass density |
| D. | kinematic viscous. |
| Answer» B. velocity gradient | |
| 3471. |
Specific energy of a flowing fluid per unit weight is |
| A. | <img src="/_files/images/civil-engineering/hydraulics/165-7.306-1.png"> |
| B. | <img src="/_files/images/civil-engineering/hydraulics/165-7.306-2.png"> |
| C. | <img src="/_files/images/civil-engineering/hydraulics/165-7.306-3.png"> |
| D. | <img src="/_files/images/civil-engineering/hydraulics/165-7.306-4.png"> |
| Answer» D. <img src="/_files/images/civil-engineering/hydraulics/165-7.306-4.png"> | |
| 3472. |
The upper surface of the weir over which water flows, is known as |
| A. | vein |
| B. | nappe |
| C. | sill |
| D. | none of these. |
| Answer» D. none of these. | |
| 3473. |
The ratio of the inertia and viscous forces acting in any flow, ignoring other forces, is called |
| A. | Euler number |
| B. | Frode number |
| C. | Reynold number |
| D. | Weber number. |
| Answer» D. Weber number. | |
| 3474. |
In a venturimeter, the divergent cone is kept |
| A. | shorter than convergent cone |
| B. | equal to covergent cone |
| C. | longer than convergent cone |
| D. | none of these. |
| Answer» D. none of these. | |
| 3475. |
Specific weight of sea water is more than that of pure water because of |
| A. | dissolved air |
| B. | dissolved salts |
| C. | suspended matter |
| D. | all the above. |
| Answer» E. | |
| 3476. |
Hydraulic grade line |
| A. | remains above the centre line of conduit |
| B. | remains below the centre line of conduit |
| C. | remains parallel to the centre line of conduit |
| D. | may be above or below the centre line of conduit. |
| Answer» E. | |
| 3477. |
Hydraulic coefficient of an orifice means the coefficient of |
| A. | velocity |
| B. | contraction |
| C. | resistance |
| D. | all the above. |
| Answer» E. | |
| 3478. |
Energy equation is usually applicable to |
| A. | non-uniform flow |
| B. | turbulent flow |
| C. | laminar flow |
| D. | steady flow. |
| Answer» E. | |
| 3479. |
The pressure variation along the radial direction for vortex flow along a horizontal plane is related by |
| A. | <img src="/_files/images/civil-engineering/hydraulics/159-7.240-1.png"> |
| B. | <img src="/_files/images/civil-engineering/hydraulics/159-7.240-2.png"> |
| C. | <img src="/_files/images/civil-engineering/hydraulics/159-7.240-3.png"> |
| D. | <img src="/_files/images/civil-engineering/hydraulics/159-7.240-4.png"> |
| Answer» C. <img src="/_files/images/civil-engineering/hydraulics/159-7.240-3.png"> | |
| 3480. |
Flow of water in pipes of diameter more than 3 metres, can be measured by |
| A. | pitot tube |
| B. | venturimeter |
| C. | orifice plate |
| D. | rotameter. |
| Answer» E. | |
| 3481. |
If the Mach number for a fluid flow is less than 1, the flow is |
| A. | sonic |
| B. | supersonic |
| C. | sub-sonic |
| D. | none of these. |
| Answer» D. none of these. | |
| 3482. |
The instrument used for measuring the velocity of flow, is known as |
| A. | venturimeter |
| B. | orifice meter |
| C. | pitot tube |
| D. | none of these. |
| Answer» D. none of these. | |
| 3483. |
On a flow net diagram, the distance between two consecutive steam lines at two successive sections are 1 cm and 0.5 cm respectively. If the velocity at the first section is 1 m/sec, the velocity at the second is |
| A. | 1.0 m/sec |
| B. | 0.5 m/sec |
| C. | 2.0 m/sec |
| D. | 2.5 m/sec |
| E. | 3 m/sec. |
| Answer» D. 2.5 m/sec | |
| 3484. |
If L, D and f are the length, diameter and coefficient of friction of a pipe, the ratio of the areas of the pipe A and nozzle a, to transmit maximum power, is |
| A. | <img src="/_files/images/civil-engineering/hydraulics/156-7.200-1.png"> |
| B. | <img src="/_files/images/civil-engineering/hydraulics/156-7.200-2.png"> |
| C. | <img src="/_files/images/civil-engineering/hydraulics/156-7.200-3.png"> |
| D. | <img src="/_files/images/civil-engineering/hydraulics/156-7.200-4.png"> |
| Answer» E. | |
| 3485. |
For an irrotational flow, the equation is given by |
| A. | Cauchy-Riemann |
| B. | Reynold |
| C. | Laplaces |
| D. | Bernoulli. |
| Answer» D. Bernoulli. | |
| 3486. |
The flow is called rotational if its velocity normal to the plane of area is equal to |
| A. | angular velocity vector |
| B. | twice the angular velocity vector |
| C. | thrice the angular velocity vector |
| D. | none of these. |
| Answer» C. thrice the angular velocity vector | |
| 3487. |
For solving network problems of pipes, necessary condition is |
| A. | continuity equation |
| B. | energy equation |
| C. | Darcy-Weisbach equation |
| D. | all the above. |
| Answer» E. | |
| 3488. |
In a fluid flow a particle may posses |
| A. | elevation energy |
| B. | kinetic energy |
| C. | pressure energy |
| D. | initial energy |
| E. | all the above. |
| Answer» F. | |
| 3489. |
Orifice-meter is used to measure |
| A. | pressure at the point |
| B. | discharge |
| C. | average speed |
| D. | velocity. |
| Answer» C. average speed | |
| 3490. |
The ratio of inertia force of a flowing fluid and the viscous force of the liquid is called : |
| A. | Renold's number |
| B. | Froude's number |
| C. | Euler's number |
| D. | Weber's number. |
| Answer» B. Froude's number | |
| 3491. |
Water belongs to |
| A. | Newtonian fluids |
| B. | non-Newtonian fluids |
| C. | compressible fluid |
| D. | none of these. |
| Answer» B. non-Newtonian fluids | |
| 3492. |
In two dimensional flow the components of velocity are given by u = ax; v = by. The stream lines will be |
| A. | circular |
| B. | parabolic |
| C. | hyperbolic |
| D. | elliptical. |
| Answer» D. elliptical. | |
| 3493. |
Hydraulic radius is equal to |
| A. | area divided by the square of wetted perimeter |
| B. | area divided by wetted perimeter |
| C. | wetted perimeter divided by area |
| D. | square root of the area. |
| Answer» C. wetted perimeter divided by area | |
| 3494. |
The discharg formula Q = Cd 2gH x A is used for rectangular |
| A. | small orifices only |
| B. | large orifices only |
| C. | small and large orifices only |
| D. | for all types of orifices. |
| Answer» C. small and large orifices only | |
| 3495. |
For a most economical rectangular channel, the hydraulic mean depth, is equal to |
| A. | the depth of flow |
| B. | half the depth of flow |
| C. | one-third depth of flow |
| D. | None of these. |
| Answer» C. one-third depth of flow | |
| 3496. |
The bending moment for filler joists at the middle of at intermediate span, is |
| A. | <img src="/_files/images/civil-engineering/steel-structure-design/105-14-153-1.png"> |
| B. | <img src="/_files/images/civil-engineering/steel-structure-design/105-14-153-2.png"> |
| C. | <img src="/_files/images/civil-engineering/steel-structure-design/105-14-153-3.png"> |
| D. | <img src="/_files/images/civil-engineering/steel-structure-design/105-14-153-4.png"> |
| E. | <img src="/_files/images/civil-engineering/steel-structure-design/105-14-153-5.png"> |
| Answer» E. <img src="/_files/images/civil-engineering/steel-structure-design/105-14-153-5.png"> | |
| 3497. |
In a member subjected to an axial tensile force and bending moment, the maximum allowable stress in axial tension is ft and the maximum allowable bending stress in tension is fht. If ft and fht are their corresponding actual axial tensile and bending stresses, the relationship which holds goods is |
| A. | <img src="/_files/images/civil-engineering/steel-structure-design/102-14-116-1.png"> |
| B. | <img src="/_files/images/civil-engineering/steel-structure-design/102-14-116-2.png"> |
| C. | <img src="/_files/images/civil-engineering/steel-structure-design/102-14-116-3.png"> |
| D. | <img src="/_files/images/civil-engineering/steel-structure-design/102-14-116-4.png"> |
| Answer» C. <img src="/_files/images/civil-engineering/steel-structure-design/102-14-116-3.png"> | |
| 3498. |
The most commonly used sections in lateral system to carry shear force in built up columns, are |
| A. | rolled steel flats |
| B. | rolled angles |
| C. | rolled channels |
| D. | all the above. |
| Answer» E. | |
| 3499. |
To avoid vapourisation, pipe lines are laid over the ridge so that these are above the hydraulic gradient line, not more than |
| A. | 2.4 m |
| B. | 6.4 m |
| C. | 10.0 m |
| D. | 5.0 m. |
| Answer» C. 10.0 m | |
| 3500. |
A jet projected at an angle of 45 , 40 m from the foot of a vertical column, just reaches the top of the column. The height of the column is |
| A. | 15 m |
| B. | 20 m |
| C. | 30 m |
| D. | 40 m |
| E. | 60 m. |
| Answer» E. 60 m. | |