Explore topic-wise MCQs in Engineering.

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.

5001.

The load stress of a section can be reduced by

A. decreasing the lever arm
B. increasing the total perimeter of bars
C. replacing larger bars by greater number of small bars
D. replacing smaller bars by greater number of greater bars
E. none of these.
Answer» D. replacing smaller bars by greater number of greater bars
5002.

If W is the load on a circular slab of radius R, the maximum radial moment at the centre of the slab, is

A. <img src="/_files/images/civil-engineering/rcc-structures-design/77-13-106-1.png">
B. <img src="/_files/images/civil-engineering/rcc-structures-design/77-13-106-2.png">
C. <img src="/_files/images/civil-engineering/rcc-structures-design/77-13-106-3.png">
D. <img src="/_files/images/civil-engineering/rcc-structures-design/77-13-106-4.png">
Answer» D. <img src="/_files/images/civil-engineering/rcc-structures-design/77-13-106-4.png">
5003.

If p1 and P2 are effective lateral loadings at the bottom and top exerted by a level earth subjected to a superload on the vertical face of height h of a retaining wall, the horizontal pressure p per unit length of the wall, is

A. <img src="/_files/images/civil-engineering/rcc-structures-design/83-13-167-1.png">
B. <img src="/_files/images/civil-engineering/rcc-structures-design/83-13-167-2.png">
C. <img src="/_files/images/civil-engineering/rcc-structures-design/83-13-167-3.png">
D. <img src="/_files/images/civil-engineering/rcc-structures-design/83-13-167-4.png">
Answer» D. <img src="/_files/images/civil-engineering/rcc-structures-design/83-13-167-4.png">
5004.

Lapped splices in tensile reinforcement are generally not used for bars of size larger than

A. 18 mm diameter
B. 24 mm diameter
C. 30 mm diameter
D. 36 mm diameter
E. 32 mm diameter
Answer» E. 32 mm diameter
5005.

In a slab, the pitch of the main reinforcement should not exceed its effective depth

A. three times
B. four times
C. five times
D. two times.
Answer» B. four times
5006.

An R.C.C. beam of 6 m span is 30 cm wide and has a lever arm of 55 cm. If it carries a U.D.L. of 12 t per m and allowable shear stress is 5 kg/cm2, the beam

A. is safe in shear
B. is safe with stirrups
C. is safe with stirrups and inclined bars
D. needs revision of section
Answer» E.
5007.

In a prestressed member it is advisable to use

A. low strength concrete only
B. high strength concrete only
C. low strength concrete but high tensile steel
D. high strength concrete and high tensile steel
E. high strength concrete but low tensile steel
Answer» E. high strength concrete but low tensile steel
5008.

The ratio of the breadth to effective depth of a beam is kept

A. 0.25
B. 0.50
C. 0.70
D. 0.75
E. none of these.
Answer» C. 0.70
5009.

If the width of the foundation for two equal columns is restricted, the shape of the footing generally adopted, is

A. square
B. rectangular
C. trapezoidal
D. triangular.
Answer» C. trapezoidal
5010.

The self-weight of the footing, is

A. not considered for calculating the upward pressure on footing
B. also considered for calculating the upward pressure on footihg
C. not considered for calculating the area of the footing
D. both (b) and (c)
Answer» B. also considered for calculating the upward pressure on footihg
5011.

If permissible compressive stress in concrete is 50 kg/cm2, tensile stress in steel is 1400 kg/cm2 and modular ratio is 18, the depth d of the beam, is

A. <img src="/_files/images/civil-engineering/rcc-structures-design/78-13-113-1.png">
B. <img src="/_files/images/civil-engineering/rcc-structures-design/78-13-113-2.png">
C. <img src="/_files/images/civil-engineering/rcc-structures-design/78-13-113-3.png">
D. <img src="/_files/images/civil-engineering/rcc-structures-design/78-13-113-4.png">
E. <img src="/_files/images/civil-engineering/rcc-structures-design/78-13-113-5.png">
Answer» B. <img src="/_files/images/civil-engineering/rcc-structures-design/78-13-113-2.png">
5012.

The modular ratio m of a concrete whose permissible compressive stress is C, may be obtained from the equation.

A. <img src="/_files/images/civil-engineering/rcc-structures-design/74-13-69-1.png">
B. <img src="/_files/images/civil-engineering/rcc-structures-design/74-13-69-2.png">
C. <img src="/_files/images/civil-engineering/rcc-structures-design/74-13-69-3.png">
D. <img src="/_files/images/civil-engineering/rcc-structures-design/74-13-69-4.png">
E. <img src="/_files/images/civil-engineering/rcc-structures-design/74-13-69-5.png">
Answer» D. <img src="/_files/images/civil-engineering/rcc-structures-design/74-13-69-4.png">
5013.

In a barrage, the crest level is kept

A. low with large gates
B. high with large gates
C. high with no gates
D. low with no gates.
Answer» B. high with large gates
5014.

For a standing crop, the consumptive use of water is equal to the depth of water

A. transpired by the crop
B. evaporated by the crop
C. transpired and evaporated by the crop
D. used by the crop in transpiration, evaporation and also the quantity of water evaporated from adjacent soil.
Answer» E.
5015.

The field capacity of a soil is 25%, its permanent wilting point is 15% and specific dry unity weight is 1.5. If the depth of root zone of a crop, is 80 cm, the storage capacity of the soil, is

A. 8 cm
B. 10 cm
C. 12 cm
D. 14 cm
E. 16 cm
Answer» D. 14 cm
5016.

Solution of Laplacian equation in three dimensions of water in a syphon, is done by

A. analytical method
B. Khosla's method
C. method of relaxation
D. Unwin's method.
Answer» D. Unwin's method.
5017.

The optimum depth of kor watering for a rice crop, is

A. 23.0 cm
B. 19.0 cm
C. 17.5 cm
D. 13.5 cm
E. 12.0 cm
Answer» C. 17.5 cm
5018.

A hydraulic jump is generally formed when a stream moving with

A. a hyper-critical velocity meets a stream moving with a critical velocity
B. a hyper-critical velocity meets a stream moving with a hyper-critical velocity
C. A hyper-critical velocity meets a stream moving with a sub-critical velocity
D. a sub-critical velocity meets a stream moving with a hyper-critical velocity.
Answer» D. a sub-critical velocity meets a stream moving with a hyper-critical velocity.
5019.

A hydraulic structure is designed to withstand

A. seepage forces
B. hydraulic jump
C. hydraulic pressure
D. all the above.
Answer» E.
5020.

Bligh's theory of seepage assumes

A. equal weightage to the horizontal and vertical creep
B. more weightage to horizontal creep than vertical creep
C. less weightage to horizontal creep than vertical creep
D. loss of head follows the sine curve.
Answer» B. more weightage to horizontal creep than vertical creep
5021.

For a unique design of a channel by Kennedy's theory

A. its breadth must only be known
B. its depth must only be known
C. its breadth and depth ratio must only be known
D. all the above.
Answer» D. all the above.
5022.

In gravity canals, F.S.L. is

A. always at the ground level
B. always below the ground level
C. generally 4 to 5 metres above the ground level
D. only a few cm above the ground level.
Answer» E.
5023.

Useful soil moisture for plant growth, is

A. capillary water
B. gravity water
C. hygroscopic water
D. chemical water
E. all the above.
Answer» B. gravity water
5024.

The structure constructed to allow drainage water to flow under pressure through an inverted syphon below a canal, is called

A. syphon
B. super passage
C. aqueduct
D. super-aqueduct
E. syphon aqueduct.
Answer» F.
5025.

The main cause of silting up a channel,

A. non-regime section
B. inadequate slope
C. defective head regulator
D. defective outlets
E. all the above.
Answer» F.
5026.

Trial procedure of canal design by Kennedy's theory is based upon the equation

A. Q = A . Y
B. <img src="/_files/images/civil-engineering/irrigation/15-15-35-1.png">
C. <img src="/_files/images/civil-engineering/irrigation/15-15-35-1.png">
D. all the above.
Answer» E.
5027.

The scour depth D of a river during flood, may be calculated from the Lacey's equation

A. <img src="/_files/images/civil-engineering/irrigation/16-15-43-1.png">
B. <img src="/_files/images/civil-engineering/irrigation/16-15-43-2.png">
C. <img src="/_files/images/civil-engineering/irrigation/16-15-43-3.png">
D. <img src="/_files/images/civil-engineering/irrigation/16-15-43-4.png">
Answer» D. <img src="/_files/images/civil-engineering/irrigation/16-15-43-4.png">
5028.

Bed bars in a canal are provided

A. to watch the general behaviour of canal
B. to measure the discharge
C. to raise the supply level
D. to control the silting
E. all the above.
Answer» B. to measure the discharge
5029.

If V0 is the critical velocity of a channel, its silt transporting power, according to Kennedy, is proportional to

A. <img src="/_files/images/civil-engineering/irrigation/15-15-33-1.png">
B. <img src="/_files/images/civil-engineering/irrigation/15-15-33-2.png">
C. <img src="/_files/images/civil-engineering/irrigation/15-15-33-3.png">
D. <img src="/_files/images/civil-engineering/irrigation/15-15-33-4.png">
E. <img src="/_files/images/civil-engineering/irrigation/15-15-33-5.png">
Answer» D. <img src="/_files/images/civil-engineering/irrigation/15-15-33-4.png">
5030.

The most suitable location of a canal head work, is

A. boulders stage of the river
B. delta stage of the river
C. rock stage of the river
D. trough stage of the river.
Answer» E.
5031.

The useful moisture of soil, is equal to its

A. field capacity
B. saturation capacity
C. moisture content at permanent wilting point
D. difference between filed capacity and permanent wilting point within the root zone of plants.
Answer» E.
5032.

Canals taken off from ice-fed perennial rivers, are known

A. permanent canals
B. ridge canals
C. perennial canals
D. inundation canals
E. ice canals.
Answer» D. inundation canals
5033.

If Md and Mt are the maximum bending moments due to dead load and live load respectively and F is the total effective pressure, for a balanced design of a prestreseed concrete beam of steel, is

A. <img src="/_files/images/civil-engineering/rcc-structures-design/87-13-219-1.png">
B. <img src="/_files/images/civil-engineering/rcc-structures-design/87-13-219-2.png">
C. <img src="/_files/images/civil-engineering/rcc-structures-design/87-13-219-3.png">
D. <img src="/_files/images/civil-engineering/rcc-structures-design/87-13-219-4.png">
Answer» C. <img src="/_files/images/civil-engineering/rcc-structures-design/87-13-219-3.png">
5034.

For normal cases, stiffness of a simply supported beam is satisfied if the ratio of its span to its overall depth does not exceed

A. 10
B. 15
C. 20
D. 25
E. 30
Answer» D. 25
5035.

The floor slab of a building is supported on reinforced cement floor beams. The ratio of the end and intermediate spans is kept

A. 0.7
B. 0.8
C. 0.9
D. 0.6
E. none of these.
Answer» D. 0.6
5036.

If longitudinally spanning stairs are casted along with their landings, the maximum bending moment per metre width, is taken as

A. <img src="/_files/images/civil-engineering/rcc-structures-design/85-13-191-1.png">
B. <img src="/_files/images/civil-engineering/rcc-structures-design/85-13-191-2.png">
C. <img src="/_files/images/civil-engineering/rcc-structures-design/85-13-191-3.png">
D. <img src="/_files/images/civil-engineering/rcc-structures-design/85-13-191-4.png">
E. <img src="/_files/images/civil-engineering/rcc-structures-design/85-13-191-5.png">
Answer» C. <img src="/_files/images/civil-engineering/rcc-structures-design/85-13-191-3.png">
5037.

If A is the sectional area of a prestressed rectangular beam provided with a tendon prestressed by a force P through its centroidal longitudinal axis, the compressive stress in concrete, is

A. <img src="/_files/images/civil-engineering/rcc-structures-design/86-13-202-1.png">
B. <img src="/_files/images/civil-engineering/rcc-structures-design/86-13-202-2.png">
C. <img src="/_files/images/civil-engineering/rcc-structures-design/86-13-202-3.png">
D. <img src="/_files/images/civil-engineering/rcc-structures-design/86-13-202-4.png">
E. <img src="/_files/images/civil-engineering/rcc-structures-design/86-13-202-5.png">
Answer» B. <img src="/_files/images/civil-engineering/rcc-structures-design/86-13-202-2.png">
5038.

The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is

A. 25
B. 30
C. 35
D. 40
E. 15
Answer» D. 40
5039.

The neutral axis of a T-beam exists

A. within the flange
B. at the bottom edge of the slab
C. below the slab
D. all the above.
Answer» E.
5040.

By over-reinforcing a beam, the moment of resistance can be increased not more than

A. 10%
B. 15%
C. 20%
D. 25%
Answer» E.
5041.

An R.C.C. column is treated as short column if its slenderness ratio is less than

A. 30
B. 35
C. 40
D. 50
E. 60
Answer» E. 60
5042.

For a continuous floor slab supported on beams, the ratio of end span length and intermediate span length, is

A. 0.6
B. 0.7
C. 0.8
D. 0.9
Answer» E.
5043.

Steel bars are generally connected together to get greater length than the standard length by providing

A. strainght bar splice
B. hooked splice
C. dowel splice
D. all the above
Answer» E.
5044.

Long and short spans of a two way slab are ly and lx and load on the slab acting on strips parallel to lx and ly be wx and wy respectively. According to Rankine Grashoff theory

A. <img src="/_files/images/civil-engineering/rcc-structures-design/75-13-74-1.png">
B. <img src="/_files/images/civil-engineering/rcc-structures-design/75-13-74-2.png">
C. <img src="/_files/images/civil-engineering/rcc-structures-design/75-13-74-3.png">
D. <img src="/_files/images/civil-engineering/rcc-structures-design/75-13-74-4.png">
E. none of these.
Answer» E. none of these.
5045.

If p is the net upward pressure on a square footing of side b for a square column of side a, the maximum bending moment is given by

A. <img src="/_files/images/civil-engineering/rcc-structures-design/80-13-135-1.png">
B. <img src="/_files/images/civil-engineering/rcc-structures-design/80-13-135-2.png">
C. <img src="/_files/images/civil-engineering/rcc-structures-design/80-13-135-3.png">
D. <img src="/_files/images/civil-engineering/rcc-structures-design/80-13-135-4.png">
Answer» D. <img src="/_files/images/civil-engineering/rcc-structures-design/80-13-135-4.png">
5046.

The length of the lap in a compression member is kept greater than bar diameter x (Permissible stress in bar / Five times the bond stress) or

A. 12 bar diameters
B. 18 bar diameters
C. 24 bar diameters
D. 30 bar diameters
E. 36 bar diameters
Answer» D. 30 bar diameters
5047.

The thickness of the flange of a Tee beam of a ribbed slab is assumed as

A. width of the rib
B. depth of the rib
C. thickness of the concrete topping 0d) half the thickness of the rib
D. twice the width of the rib.
Answer» D. twice the width of the rib.
5048.

Piles are usually driven by

A. diesel operated hammer
B. drop hammer
C. single acting steam hammer
D. all the above.
Answer» E.
5049.

The angle of internal friction of soil mass is the angle whose

A. tangent is equal to the rate of the maximum resistance to sliding on any internal inclined plane to the normal pressure acting on the plane
B. sine is equal to the ratio of the maximum resistance to sliding on any internal inclined plane to the normal pressure acting on the plane
C. cosine is equal to the ratio of the maximum resistance sliding on any internal inclined plane to the normal pressure acting on the plane
D. none of these.
Answer» B. sine is equal to the ratio of the maximum resistance to sliding on any internal inclined plane to the normal pressure acting on the plane
5050.

The anchorage value of a hook is assumed sixteen times the diameter of the bar if the angle of the bend, is

A. 30
B. 40
C. 45
D. 60
E. all the above.
Answer» F.