MCQOPTIONS
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MCQOPTIONS
This section includes 1888 Mcqs, each offering curated multiple-choice questions to sharpen your Civil Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1151. |
Where is d'Alembert's principle employed ? |
| A. | In the design of long columns |
| B. | To determine stresses induced in thick cylinders |
| C. | To reduce a problem of kinetics to an equivalent problem of statics |
| D. | In the analysis of many geotechnical problems |
| Answer» D. In the analysis of many geotechnical problems | |
| 1152. |
In signals system design of Railways the distance at which the outer signal is to be placed is decided on basis of the |
| A. | Allowable speed |
| B. | Running speed |
| C. | Minimum speed |
| D. | Journey speed |
| Answer» B. Running speed | |
| 1153. |
A bulldozer operates on a 30 m stretch and moves at 2.4 kmph when pushing the earth, and returns empty at 6 kmph. The time lost in loading and shifting gears per trip is 18 seconds. Its operating factor is nearly 50 min/hour. What is the number of trips made per hour ? |
| A. | 31 |
| B. | 33 |
| C. | 35 |
| D. | 37 |
| Answer» E. | |
| 1154. |
A vehicle is moving up on an inclined plane. The vehicle has rear-wheel drive. Force of friction on the rear wheels will be in a direction |
| A. | along the plane but backward |
| B. | backward at an angle φ with the plane, where φ is the friction angle |
| C. | along the plane but forward |
| D. | forward at an angle φ with the plane, where φ is the friction angle |
| Answer» D. forward at an angle œÜ with the plane, where œÜ is the friction angle | |
| 1155. |
For laminar flow through a circular tube, the average velocity at a section is |
| A. | the same as that at the centre of tube |
| B. | two-thirds the velocity at the centre of the tube |
| C. | half the velocity at the centre of the tube |
| D. | dependent on the pressure at the section |
| Answer» D. dependent on the pressure at the section | |
| 1156. |
If R is the radius of the circular railway curve in metres and D is the degree of the curve, then which one of the following is the expression for D ? |
| A. | D = 360/R |
| B. | D = 1080/R |
| C. | D = 1720/R |
| D. | D = 720/R |
| Answer» D. D = 720/R | |
| 1157. |
In "full face" method of constructing tunnel, the first operation relates to |
| A. | removal to bottom portion |
| B. | excavation of one drift in the centre |
| C. | removal of top portion |
| D. | excavation being done along the perimeter |
| Answer» D. excavation being done along the perimeter | |
| 1158. |
Consider the following statements with ragard to crack formation and its control:1. The surface width of the crack should not, in general, exceed 0.30 mm for structures not subjected to aggressive environment.2. When depth of web in a beam exceeds 750 mm, side face reinforcement @ 0.1 percent of web area should be provided on each face.3. The nominal spacing of main bars in a slab should not exceed three times the effective depth of a solid slab or 300 mm, whichever is smaller.Which of the statements given above is/are correct ? |
| A. | 1 only |
| B. | 1 and 2 |
| C. | 1 and 3 |
| D. | 2 and 3 |
| Answer» D. 2 and 3 | |
| 1159. |
A mild steel bar is 40 cm long. The lengths of parts AB and BC of the bar are 20 cm each. It is loaded as shown in the given figure. The ratio of the stresses, σ1 in part AB to σ2 in part BC is |
| A. | 2 |
| B. | 43497 |
| C. | 4 |
| D. | 43556 |
| Answer» C. 4 | |
| 1160. |
The losses in prestress in pre-tensioning system are due to :1. elastic deformation of concrete when wires are tensioned successively2. friction3. shrinkage and creep of concreteSelect the correct answer using the codes given below: |
| A. | 1, 2 and 3 |
| B. | 2 and 3 |
| C. | 1 alone |
| D. | 3 alone |
| Answer» B. 2 and 3 | |
| 1161. |
If the methyl orange alkalinity of water equals or exceeds total hardness, all of the harness is |
| A. | non-carbonate hardness |
| B. | carbonate hardness |
| C. | pseudo hardness |
| D. | negative non-carbonate hardness |
| Answer» C. pseudo hardness | |
| 1162. |
A beam has the same section throughout its length with I = 1 x 108mm4, It is subjected to a uniform B.M. = 40 kNm. E = 2 x 105 N/mm2, What is the radius of curvature of the circle into which the beam will bend in the form of an arc of a circle ? |
| A. | 1000 m |
| B. | 500 m |
| C. | 400 m |
| D. | 350 m |
| Answer» C. 400 m | |
| 1163. |
At what value of saturation does the zero air voids curve in a compaction test represent the dry density? |
| A. | 0 |
| B. | 0.8 |
| C. | 1 |
| D. | 0.5 |
| Answer» B. 0.8 | |
| 1164. |
The frame shown in the given figure has |
| A. | one unknown reaction component |
| B. | two unknown reaction components |
| C. | three unknown reaction components |
| D. | six unknown reaction components |
| Answer» E. | |
| 1165. |
Increase in fineness of cement |
| A. | reduces the rate of strength development and leads to higher shrinkage |
| B. | increases the rate of strength development and reduces the rate of deterioration |
| C. | decreases the rate of strength development and increases the bleeding of cement |
| D. | increases the rate of strength development and leads to higher shrinkage |
| Answer» E. | |
| 1166. |
Consider the following statements :1. A project has a mission.2. A project has to terminate at some time or the other.3. Projects vary in terms of technology, equipment and materials, machinery and people, work ethics and organisational culture.Amongst the above, the characteristic features for a project are |
| A. | 1 and 2 |
| B. | 2 and 3 |
| C. | 1 and 3 |
| D. | 1, 2 and 3 |
| Answer» E. | |
| 1167. |
If the staff intercept on a staff located at 100 m from the level for five division deviation of the bubble is 0.050 m and if the length of one division of the bubble is 2 mm, then the radius of curvature of the bubble is 0.050 m and if the length of one division of the bubble is 2 mm, then the radius of curvature of the bubble tube is |
| A. | 2.02 m |
| B. | 2.20 m |
| C. | 20.00 m |
| D. | 20.20 m |
| Answer» D. 20.20 m | |
| 1168. |
In a BG railway track, the specified ruling graident is 1 in 250. The horizontal curve of 3° on a gradient of 1 in 250 will have the permissible compensated gradient of |
| A. | 1 in 257 |
| B. | 1 in 357 |
| C. | 1 in 457 |
| D. | 1 in 512 |
| Answer» C. 1 in 457 | |
| 1169. |
A hollow steel shaft of external diameter 100 mm and internal diameter 50 mm is to be replaced by a solid alloy shaft. Assuming the same value of polar modulus for both, the diameter of the solid alloy shaft will be |
| A. | 10 x 39375 mm |
| B. | 10 x 39375 x 10 mm |
| C. | |
| Answer» D. | |
| 1170. |
Which of the following are associated with alum coagulation ?1. A decrease of alkalinity in treated water2. Formation of hydroxide flocs of aluminium 3. A slight decrease of pH in treated water4. An increase of permanent hardnessSelect the correct answer using the codes given below : |
| A. | 1, 2 and 3 |
| B. | 1, 3 and 4 |
| C. | 1, 2, 3 and 4 |
| D. | 2 and 4 |
| Answer» D. 2 and 4 | |
| 1171. |
The approximate ratio of strength of 15 cm x 30 cm concrete cylinder to that of 15 cm cube of the same concrete is |
| A. | 1.25 |
| B. | 1 |
| C. | 0.85 |
| D. | 0.5 |
| Answer» D. 0.5 | |
| 1172. |
The correct sequence, in the direction of the flow of water for installations in the hydro-power plant is |
| A. | reservoir, surge tank turbine, penstock |
| B. | reservoir, penstock, surge tank, turbine |
| C. | reservoir, penstock, turbine, surge tank |
| D. | reservoir, surge tank, penstock, turbine |
| Answer» C. reservoir, penstock, turbine, surge tank | |
| 1173. |
Two geometrically similar pumps are running at the same speed of 1000 r.p.m. and lifting water against the heads of 25 m and 16 m respectively. First pump is having an impeller diameter of 300 mm. The impeller diameter of second pump shall be |
| A. | 192 mm |
| B. | 240 mm |
| C. | 300 mm |
| D. | 469 mm |
| Answer» C. 300 mm | |
| 1174. |
For a vertical stiffened web of a plate girder, the lesser clear dimension of the panel should not exceed :(Where t is the thickness of the web |
| A. | 85 t |
| B. | 180 t |
| C. | 200 t |
| D. | 250 t |
| Answer» C. 200 t | |
| 1175. |
For excavating utility trenches with precise control of depth the excavation equipment used is: |
| A. | Hoe |
| B. | Shovel |
| C. | Dragline |
| D. | None of the above |
| Answer» B. Shovel | |
| 1176. |
In a restrained retangular slab subjected to uniformly distributed load, the yield lines form first |
| A. | along the shorter span on the loaded face of slab |
| B. | along the longer span on the loaded face of slab |
| C. | at the intersection of shorter and longer side |
| D. | along the centre line of the unloaded face of slab |
| Answer» E. | |
| 1177. |
A circle of radius 7 m has a standard error of 0.02 m on the radius. The standard error of its area is |
| A. | 0.04 m2 |
| B. | 0.14 m2 |
| C. | 0.28 m2 |
| D. | 0.88 m2 |
| Answer» D. 0.88 m2 | |
| 1178. |
A doubly reinforced concrete beam has effective cover d' to the centre of compression reinforcement. xu is the depth of neutral axis, and d is the effective depth to the centre of tension reinforcement. What is the maximum strain in concrete at the level of compression reinforcement? |
| A. | 0.0035 (1 - d'/d) |
| B. | 0.0035(1 - d'/xu) |
| C. | 0.002(1 - d'/xu) |
| D. | 0.002(1 - d'/d) |
| Answer» C. 0.002(1 - d'/xu) | |
| 1179. |
King closers are related to |
| A. | doors and windows |
| B. | king post truss |
| C. | queen post truss |
| D. | bricks masonry |
| Answer» E. | |
| 1180. |
In consolidation testing, curve fitting method is used to determine |
| A. | compression index |
| B. | swelling index |
| C. | coefficient of consolidation |
| D. | time factor |
| Answer» D. time factor | |
| 1181. |
Which one of the following surveys is employed for collecting sufficient data in connection with sewage disposal and water supply works ? |
| A. | Topographic survey |
| B. | Cadastral survey |
| C. | Geodetic survey |
| D. | Cross-sectioning and profile levelling |
| Answer» E. | |
| 1182. |
A solid circular shaft is subjected to a bending moment M and torque T. The ratio of maximum bending stress to the maximum shear stress is given by |
| A. | MT/2 |
| B. | 2M/T |
| C. | M/2T |
| D. | M/T |
| Answer» C. M/2T | |
| 1183. |
Consider the following statements :Liquefaction is a phenomenon1. observed in fine sands2. associated with development of positive pore pressure.Which of the statements given above is/are correct ? |
| A. | 1 only |
| B. | 2 only |
| C. | Both 1 and 2 |
| D. | Neither 1 nor 2 |
| Answer» D. Neither 1 nor 2 | |
| 1184. |
A three-hinged loaded semicircular arch ACB is shown in the figure given. What is the shearing force at the hinge C ? |
| A. | 20 kN |
| B. | 20 2 kN |
| C. | 10 kN |
| D. | 10 2 kN |
| Answer» D. 10 2 kN | |
| 1185. |
The formulation for BOD assimilation in a stream should include |
| A. | BOD rate constant |
| B. | Sedimentation of organic matter |
| C. | BOD rate constant and sedimentation of organic matter |
| D. | Pathogenic bacterial decay coefficient |
| Answer» C. BOD rate constant and sedimentation of organic matter | |
| 1186. |
A surge tank is provided in a hydropower scheme to |
| A. | provide additional storage close to the penstock |
| B. | take care of change of slope, alignment or size of the water conductor system |
| C. | reduce the pressures under transient conditions |
| D. | provide convenient overspills |
| Answer» D. provide convenient overspills | |
| 1187. |
Which one of the following specifications for length of base line refers to Third Order Triangulation system ? |
| A. | 0.5 to 3 km |
| B. | 1.5 to 4 km |
| C. | 5 to 15 km |
| D. | 10 to 20 km |
| Answer» B. 1.5 to 4 km | |
| 1188. |
A simply supported beam of span L carries a concentrated load W at its mid-span. If the width 'b' of the beam is constant throughout the span, then, when the permissible bending stress is 'f', the beam's mid-span depth will be |
| A. | 3WL/2bf |
| B. | 3WL/2bf |
| C. | 6WL/bf |
| D. | 6WL/bf |
| Answer» C. 6WL/bf | |
| 1189. |
A rectangular channel carries a discharge of 5 m3/s. The channel is 2 m wide. What is the critical depth of the flow ? |
| A. | 1.25 m |
| B. | 1.07 m |
| C. | 0.565 m |
| D. | 0.86 m |
| Answer» E. | |
| 1190. |
The sequent depth ratio in a hydraulic jump formed in a horizontal rectangular channel is 16.48. The flow is supercritical. What is the value of the Froude number of flow ? |
| A. | 4 |
| B. | 8 |
| C. | 12 |
| D. | 120 |
| Answer» D. 120 | |
| 1191. |
A sample of ground water at a pH of 7.0 contains 122 mg/l of bicarbonates. What is the alkalinity of this water (in terms of CaC0 ) ? |
| A. | 120 mg/1 |
| B. | 60 mg/1 |
| C. | 100 mg/1 |
| D. | 200 mg/l |
| Answer» D. 200 mg/l | |
| 1192. |
In the case of S2 water surface profile (y = depth of flow, y0 = normal depth, yc = critical depth) |
| A. | y0 > yc > y |
| B. | yc > y0 > y |
| C. | yc > y > y0 |
| D. | y > yc > y0 |
| Answer» D. y > yc > y0 | |
| 1193. |
Groynes are adopted for river bank protection works. When it is placed inclined downstream in the direction of flow in the river, it is designated as which one of the following ? |
| A. | Repelling groyne |
| B. | Attracting groyne |
| C. | Neither repelling nor attracting groyne |
| D. | Fixed groyne |
| Answer» C. Neither repelling nor attracting groyne | |
| 1194. |
Consider the following statements :1. Mastic asphalt is a mixture of hard grade bitumen or blown bitumen, minerals filter and fine aggregates.2. % of binder content in the mastic asphalt is 17-20 percent by weight of the aggregates. Which of the statements given above is/are correct ? |
| A. | 1 only |
| B. | 2 only |
| C. | Both 1 and 2 |
| D. | Neither 1 nor 2 |
| Answer» D. Neither 1 nor 2 | |
| 1195. |
What does higher standard deviation imply in cost analysis ? |
| A. | Higher uncertainty |
| B. | Lower uncertainty |
| C. | Nothing to do with uncertainty |
| D. | Extra costs are likely |
| Answer» E. | |
| 1196. |
Consider the following steps :1. Driving sheet piles surrounding a vibration-receiving structure.2. Digging a trench around a source of vibration.3. Placing rubber mountings between a machine causing vibration and its base. Active isolation of vibration can be achieved by |
| A. | 1 and 2 |
| B. | 1 and 3 |
| C. | 2 and 3 |
| D. | 3 alone |
| Answer» C. 2 and 3 | |
| 1197. |
In photogrammetric surveying, the image of the top of the hill is 90 mm, from the principal point of the photograph. If the elevation of the top of the hill is 500 m and the flying height is 5000 m above datum, then the relief displacement is |
| A. | 0.9 mm |
| B. | 9 mm |
| C. | 90 mm |
| D. | 900 mm |
| Answer» C. 90 mm | |
| 1198. |
Consider the following statements : If two planes at right angles carry only shear stress of magnitude 'q', then the1. diameter of Mohr's circle would equal 2q2. centre of the Mohr's circle would lie at the origin3. principal stresses are unlike and have magnitude 'q'4. angle between the principal plane and the plane of maximum shear would be equal to 45° Of these statements : |
| A. | 1 and 2 are correct |
| B. | 2 and 4 are correct |
| C. | 3 and 4 are correct |
| D. | 1, 2, 3 and 4 are correct |
| Answer» E. | |
| 1199. |
The degree of indeterminacy of the beam given in the given figure is |
| A. | zero |
| B. | one |
| C. | two |
| D. | three |
| Answer» E. | |
| 1200. |
A deposit of fine sand has a porosity 'n' and specific gravity of soil solids is G. The hydraulic gradient of the deposit to develop boiling condition of sand is given by |
| A. | ic = (G - 1)(1 - n) |
| B. | ic = (G - 1)(1 + n) |
| Answer» B. ic = (G - 1)(1 + n) | |