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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.
| 1101. |
An open cylindrical vessel with axis vertical and filled with a liquid is falling freely with an acceleration What will be the absolute pressure at the base of the vessel ? |
| A. | Equal to liquid column |
| B. | Below atmospheric pressure |
| C. | Above atmosphere pressure |
| D. | Equal to atmosphere pressure |
| Answer» B. Below atmospheric pressure | |
| 1102. |
A rigid bar is supported by a spring as shown in the given figure.The deflection of the point B will be |
| A. | 10 mm upward |
| B. | 20 mm downward |
| C. | 5 mm upward |
| D. | 40 mm downward. |
| Answer» E. | |
| 1103. |
In a direct shear test the shear stress and normal stress on a dry sand sample at failure are 0.6 kg/cm2 and 1 kg/cm2 respectively. The angle of internal friction of the sand will be nearly |
| A. | 25 |
| B. | 31 |
| C. | 37 |
| D. | 43 |
| Answer» C. 37 | |
| 1104. |
The ratio of the torsional moments of resistance of a solid circular shaft of diameter D, and a hollow circular shaft having external diameter D and internal diameter d is given by |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/70-991-1.png"> |
| B. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/70-991-2.png"> |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/70-991-3.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/70-991-4.png"> |
| Answer» B. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/70-991-2.png"> | |
| 1105. |
In the schematic flownet shown in the given figure the hydraulic potential at point A is |
| A. | 5 m of water |
| B. | 12 m of water |
| C. | 15 m of water |
| D. | 25 m of water |
| Answer» C. 15 m of water | |
| 1106. |
Following data refer to precise measurement of an angle A on the field : (i) 2A = 20 10' - weight 2 (ii) 4A = 40 10' - weight 3What is the most probable value of angle A ? |
| A. | 10 01'06" |
| B. | 10 02'07" |
| C. | 10 02'51" |
| D. | 10 22'51" |
| Answer» D. 10 22'51" | |
| 1107. |
The upper limit of area ratio for which the amount of disturbance of soil sample can be considered to be small is |
| A. | 10% |
| B. | 15% |
| C. | 20% |
| D. | 25% |
| Answer» B. 15% | |
| 1108. |
Consider the following statements :1. In a member subjected to uniaxial tensile force the maximum normal stress is the external load divided by the maximum cross-sectional area.2. When the structural member is subjected to uniaxial loading, the shear stress is zero on a plane where the normal stress is maximum.3. In a member subjected to uniaxial loading, the normal stress on the planes of maximum shear stress is less than the maximum.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» B. 1 and 3 are correct | |
| 1109. |
What is the wave velocity for a uniform train of wave beyond the storm centre for a wave length of 20 m in 14 m deep water ? |
| A. | 5.5 m/s |
| B. | 11.2 m/s |
| C. | 4.5 m/s |
| D. | 9 m/s |
| Answer» D. 9 m/s | |
| 1110. |
The moisture content of a clayey soil is gradually decreased from a large value. What will be the correct sequence of the occurrence of the following limits ?1. Shrinkage limit2. Plastic limit3. Liquid limitSelect the correct answer from the codes given below : |
| A. | 1, 2, 3 |
| B. | 1, 3, 2 |
| C. | 3, 2, 1 |
| D. | 3, 1, 2 |
| Answer» D. 3, 1, 2 | |
| 1111. |
Consider the following statements :The use of relatively weak motor1. will accommodate movements due to loads, cracking if any and will be distributed as thin hair cracks which are less noticeable or harmful.2. will result in reduction of stresses due to differential expansion of masonry units.Of these statements : |
| A. | 1 alone is correct |
| B. | 2 alone is correct |
| C. | both 1 and 2 are correct |
| D. | neither 1 nor 1 is correct |
| Answer» B. 2 alone is correct | |
| 1112. |
What does high COD to BOD ratio of an organic pollutant represent ? |
| A. | High biodegradability of the pollutant |
| B. | Low biodegradability of the pollutant |
| C. | Presence of free oxygen for aerobic decomposition |
| D. | Presence of toxic material in the pollutants |
| Answer» B. Low biodegradability of the pollutant | |
| 1113. |
A turn-table on railways is used for |
| A. | preventing the lateral movement of wheels |
| B. | reversing the direction of the engine |
| C. | reducing the damage to the rails |
| D. | reducing the accidents |
| Answer» C. reducing the damage to the rails | |
| 1114. |
Consider the following statements regarding settlement of foundations :1. Differential settlement of foundation leads to structural damage to the superstructure.2. In non-cohesive soils, the major component of settlement is due to consolidation.3. Lowering of ground water table contributes of settlement of foundations.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» E. | |
| 1115. |
Ruling gradient on highways as per IRC in plane terrain is |
| A. | 1 in 30 |
| B. | 1 in 60 |
| C. | 1 in 100 |
| D. | 1 in 200 |
| Answer» B. 1 in 60 | |
| 1116. |
Consider the following statements :1. Welded structures are usually lighter than riveted structures.2. Welding allows the arrangement of structural components in such a manner that the joint provides maximum efficiency.3. During welding, the members do not get distorted.Of these statements : |
| A. | 1, 2 and 3 correct |
| B. | 1 and 2 are correct |
| C. | 2 and 3 are correct |
| D. | 1 and 3 are correct |
| Answer» B. 1 and 2 are correct | |
| 1117. |
If the stress on the cross-section of a circular short column of diameter D is to be wholly compressive, the load should be applied within a concentric circle of diameter |
| A. | D/2 |
| B. | D/8 |
| C. | D/4 |
| D. | D/6 |
| Answer» D. D/6 | |
| 1118. |
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. | |
| 1119. |
Consider the following statements :The disease of dry not in timber is caused by :1. complete submergence in water.2. alternate wet and dry condition.3. lack of ventilation.Which of the statements given above is/are correct ? |
| A. | 1 only |
| B. | 3 only |
| C. | 2 only |
| D. | 2 and 3 |
| Answer» C. 2 only | |
| 1120. |
With a vertical point load on the surface when considering the vertical plane passing through the load, the stress gets reduced by 52.3% at a depth of |
| A. | 0.25 of unit length |
| B. | 0.5 of unit length |
| C. | 0.75 of unit length |
| D. | 1 of unit length |
| Answer» D. 1 of unit length | |
| 1121. |
Consider the following statementsThe main reinforcement in the counterfort in a counterfort retaining wall of R.C.C is provided on the :1. inclined face in front of counterfort.2. bottom face in. back counterfort.3. inclined face in back counterfort.4. bottom face in front counterfort.Select the correct answer using the codes given below : |
| A. | 1 and 2 |
| B. | 2 and 3 |
| C. | 3 and 4 |
| D. | 2 and 4 |
| Answer» D. 2 and 4 | |
| 1122. |
In a free vortex, velocity |
| A. | decreases with radius |
| B. | increases with radius |
| C. | is constant |
| D. | varies inversely as the square of the radius |
| Answer» B. increases with radius | |
| 1123. |
In an external focusing tachometer, the fixed interval between static hairs is 5 mm, the focal length of the objective is 25 cm, and the distance of the vertical axis of the instrument from the optical centre of the objective is 15 cm. Which one of the following is the set of constant of the tachometer ? |
| A. | 30, 0.15 |
| B. | 30, 0.40 |
| C. | 50, 0.25 |
| D. | 50, 0.40 |
| Answer» E. | |
| 1124. |
Which one of the following treatments is economically effective in the control of guinea worm disease ? |
| A. | Chlorination |
| B. | Filtration |
| C. | Ozonation |
| D. | Sedimentation |
| Answer» C. Ozonation | |
| 1125. |
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. | |
| 1126. |
What is the inclination of resultant reactions at A with the vertical for the frame shown in the given figure ? |
| A. | 60 |
| B. | 40 |
| C. | 30 |
| D. | 50 |
| Answer» D. 50 | |
| 1127. |
The ture bearing of a line is 34 20' 40"and the magnetic declination at the place of observation is 2 00' 20" W on the date of observation. The magnetic bearing of the line is |
| A. | 36 21' 00" |
| B. | 34 20' 20" |
| C. | 32 20' 20" |
| D. | 32 00' 20" |
| Answer» B. 34 20' 20" | |
| 1128. |
Which one of the following, measures the stiffness of a track ? |
| A. | Tractive effort |
| B. | Tractive resistance |
| C. | Track modulus |
| D. | Load capacity |
| Answer» D. Load capacity | |
| 1129. |
Consider the following statements :1. About 25% of alumina is brick earth imparts the plasticity necessary for moulding bricks into required shape.2. Iron pyrite present in brick earth preserves the form of the bricks at high temperatures.3. Presence of weeds in brick earth makes the bricks unsound.Which of these statements are correct ? |
| A. | 1 and 2 |
| B. | 1 and 3 |
| C. | 2 and 3 |
| D. | 1, 2 and 3 |
| Answer» C. 2 and 3 | |
| 1130. |
In the cross-section of a rectangular beam, what is the ratio of the average shear stress to the maximum shear stress ? |
| A. | 3/2 |
| B. | 2/3 |
| C. | 4/3 |
| D. | 3/4 |
| Answer» C. 4/3 | |
| 1131. |
Which one of the following is tne correct statement? In beam to column connections in steel construction, if torsion is permitted at the ends of simply supported beams by not providing the cleats, the |
| A. | effective length'of the beam increases by 20 % |
| B. | effective length remains same as the actual length |
| C. | Permissible bending stresses are increased by around 10 % |
| D. | joint has to be designed for torsion |
| Answer» B. effective length remains same as the actual length | |
| 1132. |
Consider the following statements :In the bar chart planning1. Interdependence of the operations cannot be portrayed2. Progress of work can be measured3. Spare time of the activities can be determined4. Schedule cannot be updated Of these statements : |
| A. | 1, 2 and 3 are correct |
| B. | 1 and 4 are correct |
| C. | 2, 3 and 4 are correct |
| D. | 1, 2 and 4 are correct |
| Answer» C. 2, 3 and 4 are correct | |
| 1133. |
Which one of the following flood routing methods involves the concepts of wedge and prism storages ? |
| A. | Coefficient method |
| B. | Muskingum method |
| C. | Pul's method |
| D. | Lag method |
| Answer» C. Pul's method | |
| 1134. |
If the magnetic bearing of a line is 48 24' and magnetic declination is 5 38' East, then the true bearing is |
| A. | 42 02' |
| B. | 42 46' |
| C. | 54 02' |
| D. | 54 46' |
| Answer» D. 54 46' | |
| 1135. |
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 | |
| 1136. |
The deflection at the free end of a cantilever subjected to a couple M at its free end and having a uniform flexural rigidity EI throughout its length 'L' is equal to |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/94-572-1.png"> |
| B. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/94-572-2.png"> |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/94-572-3.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/94-572-4.png"> |
| Answer» B. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/94-572-2.png"> | |
| 1137. |
A compression member has a centre to centre length of 4.0 m. It is fixed at one end and hinged at the other end. The effective length of the column is |
| A. | 4.0 m |
| B. | 3.2 m |
| C. | 2.8 m |
| D. | 2.6 m |
| Answer» D. 2.6 m | |
| 1138. |
An image of the top of the hill is 96 mm from the principal point of the photograph. The elevation of the top of the hill is 500 m and flying height is 4000 m above the detum. The relief displacement will be |
| A. | 768 mm |
| B. | 88 mm |
| C. | 12 M |
| D. | 8 mm |
| Answer» D. 8 mm | |
| 1139. |
Which of the following are the fundamental lines of a theodolite ?1. The vertical and horizontal axes2. The diagonally opposite screw lines3. The line of collimation and axes of the plate levels4. The bubble line of the altitude level.Select the correct answer using the codes given below: |
| A. | 1, 2 and 3 |
| B. | 1, 2 and 4 |
| C. | 2 and 3 |
| D. | 1, 3 and 4 |
| Answer» E. | |
| 1140. |
Heliograph is a type of |
| A. | instrument used for recording the movement of sun |
| B. | instrument used for contouring an area |
| C. | electronic distance measuring device |
| D. | sun signal used in triangulation work |
| Answer» E. | |
| 1141. |
A given material has Young's modulus E, modulus of rigidity G and Poisson's ratio of Young's modulus to modulus of rigidity of this material is, |
| A. | 3.75 |
| B. | 3 |
| C. | 2.5 |
| D. | 1.5 |
| Answer» D. 1.5 | |
| 1142. |
The force in the member BD of the truss shown in the given figure is |
| A. | 4 kN tensile |
| B. | 4 kN compressive |
| C. | zero |
| D. | 12 kN compressive |
| Answer» C. zero | |
| 1143. |
Which of the following instruments have both horizon glass and index glass ?1. Optical square2. Line ranger3. Box sextant4. PedometerSelect the correct answer using the code given below : |
| A. | 2, 3 and 4 |
| B. | 1, 3 and 4 |
| C. | 1 and 3 only |
| D. | 2 and 4 only |
| Answer» D. 2 and 4 only | |
| 1144. |
Which of the following equations are used for the derivation of the differential equation for water surface profile in open channel flow :1. Continuity equation2. Energy equation3. Momentum equationSelect the correct answer using the codes given below : |
| A. | 1, 2 and 3 |
| B. | 1 and 3 |
| C. | 2 and 3 |
| D. | 1 and 2 |
| Answer» B. 1 and 3 | |
| 1145. |
According to Boussinesq's theory, the vertical stress at a point in a semi-infinite soil mass depends upon |
| A. | point load, coordinates of the point and modulus of elasticity of soil |
| B. | point load, coordinates of the point, modulus of elasticity of soil and its Poisson's ratio |
| C. | point load and coordinates of the point |
| D. | point load, coordinates of the point, modulus of elasticity of soil and its density. |
| Answer» D. point load, coordinates of the point, modulus of elasticity of soil and its density. | |
| 1146. |
A star is observed at its western elongation. If the latitude of place of observation is , the declination of star is , altitude of star at elongation is , then the hour angle of star is given by |
| A. | cos H = cos . sec |
| B. | cos H = tan . cot |
| C. | cos H = tan . cot |
| D. | cos H = tan . cot |
| Answer» C. cos H = tan . cot | |
| 1147. |
Timber can be made reasonably fire-resistant by |
| A. | soaking it in Ammonium Sulphate |
| B. | coating with Tar paint |
| C. | pumping creosote oil into timber under high pressure |
| D. | seasoning process |
| Answer» E. | |
| 1148. |
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 | |
| 1149. |
Consider the following statements with respect to tunnelling methods:1. Full face excavation is suitable for small size tunnel of short length in compact rock. It is not suitable in urban areas.2. Heading and Benching method is suitable for soft rock tunnelling of medium size.3. Drift method is suitable for large tunnels in difficult or incompetent rock.Which of the statements given above are correct ? |
| A. | 1 and 3 |
| B. | 1, 2 and 3 |
| C. | 2 and 3 |
| D. | 1 and 2 |
| Answer» B. 1, 2 and 3 | |
| 1150. |
Sewage sickness is a term used for |
| A. | persons who become sick after drinking polluted water |
| B. | a treatment plant which does not function properly |
| C. | a stream where the flora and fauna die due to sewage inflow |
| D. | the condition of land where sewage is applied continuously for a long period. |
| Answer» E. | |