MCQOPTIONS
Saved Bookmarks
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.
| 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. | |