

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.
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> | |