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.

101.

Best ballast contains stones varying in size from

A. 1.5 cm to 3 cm
B. 2.0 cm to 4 cm
C. 2.0 cm to 5 cm
D. 2.5 cm to 6 cm
Answer» D. 2.5 cm to 6 cm
102.

Distance between the inner rail and check rail provided on sharp curve, is

A. 40 mm
B. 42 mm
C. 44 mm
D. 46 mm
E. 50 mm
Answer» D. 46 mm
103.

Boxing of ballast is done

A. under rails
B. at the rails
C. in between two rails
D. in between two sleepers.
Answer» C. in between two rails
104.

Pot sleepers are in the form of

A. a number of bowls connected together with a tie bar
B. two bowls placed under each rail and connected together with a tie bar
C. two bowls placed under two rails and the one between the rails
D. none of these.
Answer» C. two bowls placed under two rails and the one between the rails
105.

A CST-9 sleeper consists of

A. two inverted triangular pots on either side of rail seat
B. a central plate with a projected key and box on the top of plate
C. a tie bar and 4 cotters to connect two cast iron plates
D. a single two way key provided on the gauge side to hold the rail to sleeper
E. all the above.
Answer» F.
106.

Charles Vignoles invented the flat footed rails in

A. 1814
B. 1836
C. 1846
D. 1856
E. 1873
Answer» C. 1846
107.

To design a cross-over between parallel tracks, the required components are :

A. two switch, points, two acute angle crossings and two check rails
B. two switch points, two acute angle crossings and four check rails
C. two switch points, two acute angle crossings and six check rails
D. none of these.
Answer» C. two switch points, two acute angle crossings and six check rails
108.

Borrow pits should preferably be located in

A. field on the left side of the canal
B. field on the right side of the canal
C. fields on both sides of the canal
D. central half width of the section of the canal.
Answer» E.
109.

Irrigation canals are generally aligned along

A. ridge line
B. contour line
C. valley line
D. straight line.
Answer» B. contour line
110.

In railways a triangle is mainly provided for

A. diverting trains from the main line to branch line
B. crossing over between parallel tracks
C. changing direction of engines through 180
D. shunting wagons in yards.
Answer» D. shunting wagons in yards.
111.

If k is wobble correction factor, is coefficient of friction between the duct surface and the curve of tendon of radius R, the tension ratio at a distance x from either end, is

A. <img src="/_files/images/civil-engineering/rcc-structures-design/87-13-216-1.png">
B. <img src="/_files/images/civil-engineering/rcc-structures-design/87-13-216-2.png">
C. <img src="/_files/images/civil-engineering/rcc-structures-design/87-13-216-3.png">
D. <img src="/_files/images/civil-engineering/rcc-structures-design/87-13-216-4.png">
E. <img src="/_files/images/civil-engineering/rcc-structures-design/87-13-216-5.png">
Answer» D. <img src="/_files/images/civil-engineering/rcc-structures-design/87-13-216-4.png">
112.

At a place the shore line is along North West-South East. The wind is blowing from the north. The littoral drift will be along

A. south east
B. south
C. south west
D. west
E. north west
Answer» B. south
113.

The effective width of a column strip of a flat slab, is

A. one-fourth the width of the panel
B. half the width of the panel
C. radius of the column
D. diameter of the column
E. none of these.
Answer» C. radius of the column
114.

If the effective length of a 32 cm diameter R.C.C. column is 4.40 m, its slenderness ratio, is

A. 40
B. 45
C. 50
D. 55
E. 60
Answer» E. 60
115.

High strength concrete is used in prestressed member

A. to overcome high bearing stresses developed at the ends
B. to ovecome bursting stresses at the ends
C. to provide high bond stresses
D. to overcome cracks due to shrinkage
E. all the above.
Answer» F.
116.

The transverse reinforcements provided at right angles to the main reinforcement

A. distribute the load
B. resist the temperature stresses
C. resist the shrinkage stress
D. all the above.
Answer» E.
117.

The amount of reinformcement for main bars in a slab, is based upon

A. minimum bending moment
B. maximum bending moment
C. maximum shear force
D. minimum shear force.
Answer» C. maximum shear force
118.

The percentage of minimum reinforcement of the gross sectional area in slabs, is

A. 0.10%
B. 0.12%
C. 0.15%
D. 0.18%
E. 0.20%
Answer» D. 0.18%
119.

A continuous beam shall be deemed to be a deep beam if the ratio of effective span to overall depth, is

A. 2.5
B. 2.0
C. less than 2
D. less than 2.5
Answer» E.
120.

The width of the flange of a T-beam, which may be considered to act effectively with the rib depends upon

A. breadth of the rib
B. overall thickness of the rib
C. centre to centre distance between T-beams
D. span of the T-beam
E. all the above.
Answer» F.
121.

Design of a two way slab simply supported on edges and having no provision to prevent the corners from lifting, is made by

A. Rankine formula
B. Marcus formula
C. Rankine Grashoff formula
D. Grashoff formula
E. Rankine-Marcus formula.
Answer» D. Grashoff formula
122.

If W is the load on a circular slab of radius R, the maximum circumferential 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. zero
E. none of these.
Answer» D. zero
123.

An R.C.C. column is treated as long if its slenderness ratio is greater than

A. 30
B. 35
C. 40
D. 50
E. 60
Answer» E. 60
124.

Design of R.C.C. simply supported beams carrying U.D.L. is based on the resultant B.M. at

A. supports
B. mid span
C. every section
D. quarter span.
Answer» C. every section
125.

A foundation rests on

A. base of the foundation
B. subgrade
C. foundation soil
D. both (b) and (c)
Answer» E.
126.

Water-shed line is abondened for aligning an irrigation canal if

A. water shed forms a sharp loop
B. canal has to take off from a river
C. towns and villages are located on the water shed line
D. all the above.
Answer» E.
127.

If q is the discharge per unit width of a channel and D1 D2 are the depths of water before and after hydraulic jump, the following relationship is true

A. <img src="/_files/images/civil-engineering/irrigation/20-15-92-1.png">
B. <img src="/_files/images/civil-engineering/irrigation/20-15-92-2.png">
C. <img src="/_files/images/civil-engineering/irrigation/20-15-92-3.png">
D. <img src="/_files/images/civil-engineering/irrigation/20-15-92-4.png">
Answer» D. <img src="/_files/images/civil-engineering/irrigation/20-15-92-4.png">
128.

The effective span of a simply supported slab, is

A. distance between the centres of the bearings
B. clear distance between the inner faces of the walls plus twice the thickness of the wall
C. clear span plus effective depth of the slab
D. none of these.
Answer» C. clear span plus effective depth of the slab
129.

The advantage of a concrete pile over a timber pile, is

A. no decay due to termites
B. no restriction on length
C. higher bearing capacity
D. not necessary to cut below the water mark
E. all the above.
Answer» F.
130.

The reinforced concrete beam which has width 25 cm, lever arm 40 cm, shear force 6t/cm2, safe shear stress 5 kg/cm2 and B.M. 24 mt,

A. is safe in shear
B. is unsafe in shear
C. is over safe in shear
D. needs redesigning.
Answer» C. is over safe in shear
131.

An R.C.C. beam not provided with shear reinforcement may develop cracks in its bottom inclined roughly to the horizontal at

A. 25
B. 35
C. 45
D. 55
E. 60
Answer» D. 55
132.

In a beam the local bond stress Sb, is equal to

A. <img src="/_files/images/civil-engineering/rcc-structures-design/71-13-25-1.png">
B. <img src="/_files/images/civil-engineering/rcc-structures-design/71-13-25-2.png">
C. <img src="/_files/images/civil-engineering/rcc-structures-design/71-13-25-3.png">
D. <img src="/_files/images/civil-engineering/rcc-structures-design/71-13-25-4.png">
E. None of these.
Answer» B. <img src="/_files/images/civil-engineering/rcc-structures-design/71-13-25-2.png">
133.

If a bent tendon is required to balance a concentrated load W at the centre of the span L, the central dip h must be at least

A. <img src="/_files/images/civil-engineering/rcc-structures-design/87-13-212-1.png">
B. <img src="/_files/images/civil-engineering/rcc-structures-design/87-13-212-2.png">
C. <img src="/_files/images/civil-engineering/rcc-structures-design/87-13-212-3.png">
D. <img src="/_files/images/civil-engineering/rcc-structures-design/87-13-212-4.png">
E. <img src="/_files/images/civil-engineering/rcc-structures-design/87-13-212-5.png">
Answer» E. <img src="/_files/images/civil-engineering/rcc-structures-design/87-13-212-5.png">
134.

Bottom bars under the columns are extended into the interior of the footing slab to a distance greater than

A. 42 diameters from the centre of the column
B. 42 diameters from the inner edge of the column
C. 42 diameters from the outer edge of the column
D. 24 diameter from the centre of the column
Answer» D. 24 diameter from the centre of the column
135.

The width of the flange of a T-beam should be less than

A. one-third of the effective span of the T-beam
B. distance between the centres of T-beam
C. breadth of the rib plus twelve times the thickness of the slab
D. least of the above.
Answer» E.
136.

A prestressed rectangular beam which carries two concentrated loads W at L/3 from either end, is provided with a bent tendon with tension P such that central one-third portion of the tendon remains parallel to the longitudinal axis, the maximum dip h is

A. <img src="/_files/images/civil-engineering/rcc-structures-design/87-13-212-1.png">
B. <img src="/_files/images/civil-engineering/rcc-structures-design/87-13-212-2.png">
C. <img src="/_files/images/civil-engineering/rcc-structures-design/87-13-212-3.png">
D. <img src="/_files/images/civil-engineering/rcc-structures-design/87-13-212-4.png">
E. <img src="/_files/images/civil-engineering/rcc-structures-design/87-13-212-5.png">
Answer» D. <img src="/_files/images/civil-engineering/rcc-structures-design/87-13-212-4.png">
137.

For a given discharge in a channel, Blench curves give the relationship between the loss of head (HL) and

A. specific energy up-stream
B. specific energy down-stream
C. critical depth of water down-stream
D. depth of water down-stream
Answer» C. critical depth of water down-stream
138.

A river training work is generally required when the river is

A. meandering
B. aggrading
C. degrading
D. all the above.
Answer» B. aggrading
139.

Cantilever retaining walls can safely be used for a height not more than

A. 3 m
B. 4 m
C. 5 m
D. 6 m
E. 8 m
Answer» E. 8 m
140.

The depth of rice root zone, is

A. 50 cm
B. 60 cm
C. 70 cm
D. 80 cm
E. 90 cm
Answer» F.
141.

The saturation line is the line up to which banks get saturated after the canal runs for some time. The saturation gradient in ordinary loam soil, is generally

A. 2 : 1
B. 3 : 1
C. 4 : 1
D. 5 : 1
E. 6 : 1
Answer» D. 5 : 1
142.

The depth of the crest of a scouring sluice below the crest of a head regulator, is generally kept

A. 0.20 m
B. 1.20 m
C. 2.20 m
D. 3.20 m
E. 4.90 m
Answer» C. 2.20 m
143.

The main function of a diversion head works of a canal from a river, is

A. to remove silt
B. to control floods
C. to store water
D. to raise water level
E. all the above.
Answer» E. all the above.
144.

If the straight sides of a triangular section of a lined canal with circular bottom of radius R, make an angle with horizontal, the perimeter of the canal is

A. R( + tan )
B. 2R( + tan )
C. R( + cos )
D. 2R( + cos )
E. none of these.
Answer» E. none of these.
145.

When a canal flowing under pressure is carried below a natural drainage such that its F.S.L. does not touch the underside of the supporting structure, the structure so provided, is called

A. syphon
B. aqueduct
C. super passage
D. syphon-aqueduct.
Answer» D. syphon-aqueduct.
146.

For the conditions enumerated to provide a crossing at C1 You will probably provide

A. an aqueduct
B. a super-passage
C. a syphon aqueduct
D. none of these.
Answer» C. a syphon aqueduct
147.

For the design of major hydraulic structures on the canals, the method generally preferred to, is based on

A. Bligh's theory
B. Electrical analogy method
C. The relaxation method
D. Khosla's method of independent variables.
Answer» E.
148.

The sinuosity of a meander is the ratio of

A. meander length and the width of meander
B. meander length and half width of the river
C. curved length and the straight distance
D. none of these.
Answer» D. none of these.
149.

The top soil of a water logged field becomes more alkaline and infertile if its pH value is

A. 6
B. 8
C. 9
D. 10
E. 11
Answer» F.
150.

If L is total length of a canal in kilometres, P is total perimeter of its lining in metres and C is the cost of lining per square metre, the additional expenditure involved on lining, is

A. 1000
B. <i>PLC</i>
C. <img src="/_files/images/civil-engineering/irrigation/18-15-65-2.png">
D. <img src="/_files/images/civil-engineering/irrigation/18-15-65-3.png">
E. <img src="/_files/images/civil-engineering/irrigation/18-15-65-4.png">
Answer» B. <i>PLC</i>