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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.
| 1151. |
Which one of the following conditions is a typical characteristic of critical flow (symbols have the usual meanings) |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/80-495-1.png"> |
| B. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/80-495-2.png"> |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/80-495-3.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/80-495-4.png"> |
| Answer» B. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/80-495-2.png"> | |
| 1152. |
When two roads with two-lane, two-way traffic, cross at an uncontrolled intersection, the total number of potentional major conflict points would be |
| A. | 32 |
| B. | 24 |
| C. | 16 |
| D. | 4 |
| Answer» C. 16 | |
| 1153. |
In an aerial photo, the image of the top of a tower is found to be 10 cm from the centre of thephotograph. If the height of the tower is 100 m and the flying height of the aircraft is 1000 m above the average terrain height, then the height displacement of the image from the true position will be |
| A. | 10 mm |
| B. | 20 mm |
| C. | 50 mm |
| D. | 100 mm |
| Answer» B. 20 mm | |
| 1154. |
A propped cantilever of span 'L' is subjected to a concentrated load at mid-span. If Mp is plastic moment capacity of the beam, then the value of the collapse load will be |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/48-877-1.png"> |
| B. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/48-877-2.png"> |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/48-877-3.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/48-877-4.png"> |
| Answer» D. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/48-877-4.png"> | |
| 1155. |
A propped cantilever of span 'l' carries uniformly distributed load of 'w' per unit over its entire span. The value of prop react to keep the beam horizontal is |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/96-579-1.png"> |
| B. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/96-579-2.png"> |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/96-579-3.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/96-579-4.png"> |
| Answer» C. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/96-579-3.png"> | |
| 1156. |
The representative fraction means that the scale is 1 cm equal to |
| A. | 0.25 m |
| B. | 2.5 m |
| C. | 25 m |
| D. | 2.5 km |
| Answer» D. 2.5 km | |
| 1157. |
Consider the following statements :1. A recovery ratio of less than 1 implies that the soil has compressed.2. A recovery ratio greater than 1 implies that the soil has swelled.3. A recovery ratio of less than 1 implies that the soil has swelled.4. A recovery ratio greater than 1 implies that the soil has compressed.Which of the following statements given above is/are correct ? |
| A. | 1 and 2 |
| B. | 1 only |
| C. | 3 and 4 |
| D. | 4 only |
| Answer» B. 1 only | |
| 1158. |
What are the distribution factors at joint B for the members BA and BC respectively, in the figure at side ? |
| A. | 0.57 and 0.43 |
| B. | 0.43 and 0.57 |
| C. | 0.50 and 0.50 |
| D. | 0.36 and 0.64 |
| Answer» D. 0.36 and 0.64 | |
| 1159. |
If the gradient of a ground is -3%, that of another ground intersecting with the former is 5%, and the horizontal length of the vertical curve to be drawn is 600 m, then the vertical offset 'e' from the vertex of the vertical curve to the mid-point of the curve will be |
| A. | 1.5 m |
| B. | 6 m |
| C. | 15 m |
| D. | 75 m |
| Answer» C. 15 m | |
| 1160. |
Why is super plasticizer added to concrete?1. To reduce the quantity of mixing water.2. To increase the consistency.3. To reduce the quantity of cement.4. To increase resistance to freezing and thawing.Select the correct answer using the code given below : |
| A. | 1, 2 and 3 |
| B. | 1, 3 and 4 |
| C. | 2 and 3 |
| D. | 4 only |
| Answer» B. 1, 3 and 4 | |
| 1161. |
The following data pertain to a sewage sample :Initial D.O = 10 mg/lFinal D.O. = 10 mg/1 Dilution to 1%The BOD of the given sewage sample is |
| A. | 8 mg/1 |
| B. | 10 mg/1 |
| C. | 100 mg/1 |
| D. | 2 mg/1 |
| Answer» E. | |
| 1162. |
Which one of the following is the correct statement ? Penetration to know bitumen grade is measured in |
| A. | one-hundredth of mm |
| B. | one-tenth of mm |
| C. | one-tenth of an inch |
| D. | one micron |
| Answer» C. one-tenth of an inch | |
| 1163. |
Which one of these methods of Tunnel Construction is not suitable in rocks ? |
| A. | Full face method |
| B. | Compressed air method |
| C. | Heading and benching method |
| D. | Drift method |
| Answer» E. | |
| 1164. |
Consider the following statements regarding uniform flow in an open channel :1. Energy grade line, water surface and bed slope are parallel to each other.2. Froude number does not vary from section to section.3. Velocity of water is the same at all points of the cross-section.Of these statements : |
| A. | 1, 2 and 3 are correct |
| B. | 1 and 2 are correct |
| C. | 1 and 3 are correct |
| D. | 2 and 3 are correct |
| Answer» D. 2 and 3 are correct | |
| 1165. |
The correct sequence of processes in a water treatment plant for rural water supply is |
| A. | Chlorination, aeration, sedimentation, rapid sand filter |
| B. | Coagulation, sedimentation, slow sand filter, chlorination |
| C. | Coagulation, flocculation, clarification, pressure filter |
| D. | Aeration, plain sedimentation, slow sand filter, chlorination |
| Answer» E. | |
| 1166. |
The maximum deflection of a fixed beam carrying a central load W is equal to |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/63-392-1.png"> |
| B. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/63-392-2.png"> |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/63-392-3.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/63-392-4.png"> |
| Answer» D. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/63-392-4.png"> | |
| 1167. |
Consider the following statements :1. Infiltration galleries are placed along the river beds at a depth of 4 to 6 m.2. The draw-down for the infiltration galleries is more than that for radial wells.3. Clogging of pipe pores in inflitration galleries is less than that for radial wells.4. The cost of extracting unit volume of water is more in case of infiltration galleries as compared to radial wells.Which of the statements given above is/are correct ? |
| A. | 1 and 2 |
| B. | 1, 2 and 3 |
| C. | 2, 3 and 4 |
| D. | 4 only |
| Answer» D. 4 only | |
| 1168. |
A bullet of mass 0.01 kg moving with a velocity of 401 m/s strikes a block of mass 4 kg which is free to move in the direction of the bullet, and gets embedded in it. The overall loss of kinetic energy is |
| A. | 80.2 Nm |
| B. | 401 Nm |
| C. | 802 Nm |
| D. | 1604 Nm |
| Answer» D. 1604 Nm | |
| 1169. |
A Treadle bar is used for |
| A. | Interlocking points and signal |
| B. | Setting points and crossings |
| C. | Setting marshalling yard signals |
| D. | track maintenance |
| Answer» B. Setting points and crossings | |
| 1170. |
A vehicle is moving up an incline when the driver applies its brakes and the vehicle retards at 0.5 m/s2. Then according to D'Alembert's principle |
| A. | inertia force will be directed in the direction of motion |
| B. | inertia force will be directed opposite to the direction of motion |
| C. | magnitude of the inertia force will depend on the angle of inclination |
| D. | magnitude of the inertia force will depend on coefficient of friction between the wheels and the road surface |
| Answer» B. inertia force will be directed opposite to the direction of motion | |
| 1171. |
In a linear reservoir, the |
| A. | volume varies linearly with elevation |
| B. | outflow rate varies linearly with storage |
| C. | storage varies linearly with time |
| D. | storage varies linearly with inflow rate |
| Answer» C. storage varies linearly with time | |
| 1172. |
The amount of gradient is required to be reduced, whenever a horizontal curve and gradient have to be provided together. What is this process known as ? |
| A. | Momentum gradient |
| B. | Pusher gradient |
| C. | Grade compensation |
| D. | Grade resistance |
| Answer» D. Grade resistance | |
| 1173. |
Consider the following statements :Total flat is :1. the time span by which the starting (or finishing) of an activity can be delayed without delaying the completion of the project.2. difference between maximum time available and the actual time required to perform the activity.3. difference between its earliest finish time and the earliest start time of its successor activity.Which among the following is/are correct ? |
| A. | 2 and 3 |
| B. | 1, 2 and 3 |
| C. | 1 only |
| D. | 1 and 2 |
| Answer» C. 1 only | |
| 1174. |
The given figure shows the relation between void ratio and shear strain for a sand under two density conditions. The void ratio corresponding to the dashed line is called |
| A. | optimum void ratio |
| B. | critical void ratio |
| C. | residual void ratio |
| D. | undisturbed void ratio |
| Answer» C. residual void ratio | |
| 1175. |
The separation of boundary layer takes place when the pressure gradient is |
| A. | negative |
| B. | positive |
| C. | zero |
| D. | constant |
| Answer» C. zero | |
| 1176. |
A free vortex formed from originally still water, say, as when draining still water in a flat-bottomed basin by suddenly pulling the stopper at the bottom on the drain hole, will be |
| A. | clockwise in the northern as well as the southern hemispheres |
| B. | anticlockwise in the northern as well as the sourthern hemispheres |
| C. | anticlockwise in the northern hemisphere and clockwise in the southern hemisphere |
| D. | clockwise in the northern hemisphere and anticlockwise in the southern hemisphere |
| Answer» C. anticlockwise in the northern hemisphere and clockwise in the southern hemisphere | |
| 1177. |
Cost-benefit studies are essential to |
| A. | assess the total cost of the work |
| B. | ascertain the relevant escalation in prices |
| C. | monitor the expenditure |
| D. | evaluate the viability and worthwhileness of taking up the project |
| Answer» E. | |
| 1178. |
Consider the following assumptions of Bowditch method :1. Angular measurements are more precise than linear measurements.2. Linear measurements are more prescise than angular measurements.3. Erros in linear measurements are proportional to L.4. Correction to latitude or departure of any side = Total error in L (or D) x Length of that side / Perimeter of traverse.Which of these statements are correct ? |
| A. | 1 and 4 |
| B. | 1, 2 and 3 |
| C. | 2, 3 and 4 |
| D. | 3 and 4 |
| Answer» B. 1, 2 and 3 | |
| 1179. |
For the beam shown in the given figure, the collapse load P is given by |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/56-357-1.png"> |
| B. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/56-357-2.png"> |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/56-357-3.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/56-357-4.png"> |
| Answer» E. | |
| 1180. |
For a laminated spring, l = length, n = number of plates, width of each plate = b, thickness of each plate = t, central point load = W, what is the expression for the maximum bending stores ? |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/58-1545-1.png"> |
| B. | * 2 |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/58-1545-2.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/58-1545-3.png"> |
| E. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/58-1545-1.png"> |
| Answer» E. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/58-1545-1.png"> | |
| 1181. |
A bar AB, 4 cm is diameter and 4 m long is rigidly fixed at its ends. A torque of 12000 kg/cm is applied at a section of the bar, one metre from end A. The fixing coupled TA and TB (in kg. cm) at the supports A and B will be respectively |
| A. | 9000, 6000 |
| B. | 3000, 9000 |
| C. | 6000, 9000 |
| D. | 9000, 3000 |
| Answer» E. | |
| 1182. |
A section of a flitched beam is shown in the given figure. The main role of the steel plate placed between the two timber sections is to |
| A. | increase the axial resistance of the section |
| B. | increase and density |
| C. | increase shear and bending resistance of the section |
| D. | avoid development of shear stress in the two timber sections |
| Answer» D. avoid development of shear stress in the two timber sections | |
| 1183. |
A velocity field with no components in the y and z directions is given by V = 6 + 2xy +t2The acceleration along the x-direction at a point (3, 1, 2), at time 2, is |
| A. | 8 units |
| B. | 16 units |
| C. | 28 units |
| D. | 36 units |
| Answer» E. | |
| 1184. |
For stream function = 3x2 - y3, the magnitude of velocity at the point (2, 1) is |
| A. | 12.37 |
| B. | 12 |
| C. | 13 |
| D. | 13.5 |
| Answer» B. 12 | |
| 1185. |
Consider the following statements about provision of sag rods :1. Sag rods reduce span length of purlin in the weak direction.2. Sag rods are installed in the plane of the roof.3. Ridge purlin is subject to vertical components of sag rods on either side of slope.Which of the statements given above are correct ? |
| A. | 1, 2 and 3 |
| B. | 2 and 3 |
| C. | 1 and 2 |
| D. | 1 and 3 |
| Answer» B. 2 and 3 | |
| 1186. |
The smallest scale adopted for topographical surveys is |
| A. | 1 : 25, 000 |
| B. | 1 : 50, 000 |
| C. | 1 : 2, 50, 000 |
| D. | 1 : 5, 00, 000 |
| Answer» B. 1 : 50, 000 | |
| 1187. |
A shot of mass m penetrates a thickness t of a fixed plate of mass M. If the plate were free to move and the resistance supposed to be uniform, which one of the following is the thickness penetrated ? |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/49-1472-1.png"> |
| B. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/49-1472-2.png"> |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/49-1472-3.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/49-1472-4.png"> |
| Answer» B. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/49-1472-2.png"> | |
| 1188. |
Consider the following statements :The critical path in a network plan of a project1. helps in planning efficient time schedule2. indicates the shortest path in time3. helps in crashing the project judiciously4. helps in encouraging discipline in execution.Of these statements : |
| A. | 1, 3 and 4 are correct |
| B. | 1, 2, 3 and 4 are correct |
| C. | 1 and 4 are correct |
| D. | 2 and 3 are correct |
| Answer» B. 1, 2, 3 and 4 are correct | |
| 1189. |
Which of the following pairs are correctly matched ?1. Alpha iron....non magnetic2. Beta iron....strongly magnetic3. Gamma iron....non-magnetic and capable of dissolving carbon.4. Delta iron....non-magnetic and absorbs very little carbon.Select the correct answer using the codes given below : |
| A. | 3 and 4 |
| B. | 1 and 2 |
| C. | 1, 3 and 4 |
| D. | 2 and 4 |
| Answer» B. 1 and 2 | |
| 1190. |
A floating body is in stable equilibrium |
| A. | when its metacentric height is zero |
| B. | when the centre of gravity of the body is below the centre of buoyancy |
| C. | when its metacentre is above the centre of gravity of body |
| D. | in none of the above situations |
| Answer» D. in none of the above situations | |
| 1191. |
Water is to be pumped at the rate of 0.025 m3/s from a 4 m deep ground level tank to an overhead tank. The difference in levels of the full tank levels of these tanks is 16 m. What is the approximate power required for operating a 65% efficient centrifugal pump ? |
| A. | 7.5 kW |
| B. | 6.0 kW |
| C. | 3.9 kW |
| D. | 3.2 kW |
| Answer» D. 3.2 kW | |
| 1192. |
For three-dimensional movement of a weight, which one of the following is most suitable ? |
| A. | Chain hoist |
| B. | Winch |
| C. | Crane |
| D. | Jack |
| Answer» D. Jack | |
| 1193. |
Tensile strength of concrete is measured by |
| A. | direct tension test in the universal testing machine |
| B. | applying compressive load along the diameter of the cylinder |
| C. | applying third point loading on a prism |
| D. | applying tensile load along the diameter of the cylinder |
| Answer» B. applying compressive load along the diameter of the cylinder | |
| 1194. |
What is the moment (approximate) of the force acting on a railway sign post shown in the figure about the point ? |
| A. | 1135 Nm |
| B. | 1205 Nm |
| C. | 980 Nm |
| D. | 1300 Nm |
| Answer» B. 1205 Nm | |
| 1195. |
A flash mixer of 2.0 m3, with a velocity gradient of mixing mechanisms equal to 660/s, and fluid absolute viscosity of 1.0 x 10-3 Ns/m2 is continuously operated. What is the power input per unit volume ? |
| A. | 360 W |
| B. | 720 W |
| C. | 1440 W |
| D. | 300 W |
| Answer» C. 1440 W | |
| 1196. |
A lemniscate curve between the tangents is transitional throughout, if the polar deflection angle of its apex is equal to ( in the deflection angle between the initial and final tangents) |
| A. | /2 |
| B. | /4 |
| C. | /6 |
| D. | |
| Answer» D. | |
| 1197. |
Bricks are burnt at a temperature range of |
| A. | 500 to 700 C |
| B. | 700 to 900 C |
| C. | 900 to 1200 C |
| D. | 1200 to 1500 C |
| Answer» D. 1200 to 1500 C | |
| 1198. |
A ship is berthed in a chamber and lifted by principles of buoyancy. Such a chmber is called |
| A. | Dry dock |
| B. | Web dock |
| C. | Floating dock |
| D. | Refuge dock |
| Answer» D. Refuge dock | |
| 1199. |
Drop panel is a structural component in : |
| A. | grid floor |
| B. | flat plate |
| C. | flat slab |
| D. | slab-beam system of floor |
| Answer» D. slab-beam system of floor | |
| 1200. |
The following refer to the stability analysis of an earth dam under different conditions :1. Stability of D/S slope during steady seepage.2. Stability of U/S slope during sudden drawdown.3. Stability of U/S and D/S slopes during construction.Of these statements : |
| A. | 1 and 2 are correct |
| B. | 1 and 3 are correct |
| C. | 2 and 3 are correct |
| D. | 1, 2 and 3 are correct |
| Answer» D. 1, 2 and 3 are correct | |