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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.
| 1051. |
A particle of mass M is attached to a light horizontal wire which is stretched tightly between two fixed ends with a tension T. If a and b are the distances of the particle from the two ends, then the period of a small transverse oscillation of the particle is given by |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/09-100-1.png"> |
| B. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/09-100-2.png"> |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/09-100-3.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/09-100-4.png"> |
| Answer» C. <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/09-100-3.png"> | |
| 1052. |
A high efficiency pump is required for low discharge, high head and low maintenance cost. Delivery of water need not be continuous. The pump need not run at high speed. Which one of the following is the correct choice ? |
| A. | Centrifugal pump |
| B. | Reciprocating pump |
| C. | Air lift pump |
| D. | Hydraulic ram |
| Answer» C. Air lift pump | |
| 1053. |
Which one of the following is correct in respect of the influence line for the bending moment at one-fourths of the span from left support of a prismatic beam simply supported at ends ? |
| A. | It is composed of straight lines only |
| B. | It is composed of curved lines only |
| C. | It is composed of straight and curved line |
| D. | It is parabolic |
| Answer» B. It is composed of curved lines only | |
| 1054. |
A plan of an area drawn with the original scale of 1 cm = 10 m, has shrunk such that a line, originally 15 cm long on the plan, measures now 14.5 cm. The shrunk scale is given by 1 cm equal to |
| A. | 0.97 m |
| B. | 9.70 m |
| C. | 10.34 m |
| D. | 10.97 m |
| Answer» D. 10.97 m | |
| 1055. |
A mild steel bar is in three parts, each 20 cm long. The diameters of parts AB, BC and CD are 2 cm, 1 cm and 3 cm respectively. The bar is subjected to an axial pull of 4t as shown in the given figure. If E = 2 x 106 kg/cm2 and the elongations in the three parts of the bar are 1, 2 and 3 respectively, then the ratio of the greatest to the least of these elongations will be |
| A. | 9 |
| B. | 4 |
| C. | 3 |
| D. | 2 |
| Answer» D. 2 | |
| 1056. |
A mild steel bar of square cross-section 40 mm x 40 mm is 400 mm long. It is subjected to a longitudinal tensile stress of 440 N/mm2 and lateral compressive stress is 200 N/mm2 in perpendicular directions. E = 2 x 10-5 N/mm2, = 0.3. What is the approximate elongation of tht bar in the longitudinal direction ? |
| A. | 0.44 mm |
| B. | 088 mm |
| C. | 0.22 mm |
| D. | 1 mm |
| Answer» E. | |
| 1057. |
Consider the following statement: High early strength of cement is obtained as a result of 1. fine grinding. 2. decreasing the lime content 3. burning at higher temperatures 4. increasing the quantity of gypsum. Of these statements : |
| A. | 1 and 2 are correct |
| B. | 1 and 3 are correct |
| C. | 2, 3 and 4 are correct |
| D. | 1, 3 and 4 are correct |
| Answer» C. 2, 3 and 4 are correct | |
| 1058. |
To generate 10, 000 hp under a head of 81 m while working at a speed of 500 rpirt, the turbine of choice would be |
| A. | Pelton |
| B. | Kaplan |
| C. | Bulb |
| D. | Francis |
| Answer» B. Kaplan | |
| 1059. |
The given figure shows gradually varied flow in an open channel with a beak in bed slope. Types of water surface profiles occurring from left to right are |
| A. | <i>H<sub>2</sub> , S<sub>3</sub></i> |
| B. | <i>H<sub>2</sub> , S<sub>2</sub> </i> |
| C. | <i>H<sub>2</sub> , M<sub>2</sub></i> |
| D. | <i>H<sub>3</sub> , M<sub>2</sub></i> |
| Answer» C. <i>H<sub>2</sub> , M<sub>2</sub></i> | |
| 1060. |
Consider the following methods of preservation of timber :1. Dipping2. Brushing or spraying3. Pressure impregnationThe correct sequence in decreasing order of the effectiveness of these methods of preservation is |
| A. | 1, 2, 3 |
| B. | 2, 1, 3 |
| C. | 3, 1, 2 |
| D. | 3, 2, 1 |
| Answer» D. 3, 2, 1 | |
| 1061. |
While driving a large number of piles in loose sand : |
| A. | It is advantageous to follow a sequence of pile driving such that the inner piles are driven first and then proceed outwards |
| B. | It is advantageous to follow a sequence of pile driving such that the piles near the periphery are driven first and inner piles are driven later |
| C. | It is advantageous to follow a sequence of pile driving such that alternately inner and outer piles are driven |
| D. | Driving of piles can be done in any random order |
| Answer» B. It is advantageous to follow a sequence of pile driving such that the piles near the periphery are driven first and inner piles are driven later | |
| 1062. |
The moment of inertia of a given rectangular area is minimum about |
| A. | its longer centroidal axis |
| B. | its polar axis |
| C. | its axis along the diagonal |
| D. | its shorter centroidal axis |
| Answer» E. | |
| 1063. |
Which one of the following statements is correct ? Compared to IFR conditions, the runaway capacity of a runway operating under VFR consitions |
| A. | is higher |
| B. | is lower |
| C. | is the same |
| D. | cannot be generalised |
| Answer» B. is lower | |
| 1064. |
A pin-jointed tower truss is loaded as shown in the given figure. The force induced in the member DF is |
| A. | 1.5 kN (tension) |
| B. | 4.5 kN (tension) |
| C. | 1.5 kN (compression) |
| D. | 4.5 kN (compression) |
| Answer» B. 4.5 kN (tension) | |
| 1065. |
In a V-notch, an error of 1% in the measurement of head would constitute in the discharge measurement, an error of |
| A. | 1.0% |
| B. | 1.5% |
| C. | 2.0% |
| D. | 2.5% |
| Answer» E. | |
| 1066. |
What is the normal depth in a wide rectangular channel carrying 0.5 m3/s discharge at a bed slope of 0.0004 and Manning's n = 0.01 ? |
| A. | 0.13 m |
| B. | 0.32 m |
| C. | 0.43 m |
| D. | 0.50 m |
| Answer» D. 0.50 m | |
| 1067. |
Timber can be made more fire resistant by |
| A. | dipping and steeping process |
| B. | hot and cold open tank treatment |
| C. | charring |
| D. | Sir Abel's process |
| Answer» E. | |
| 1068. |
The following two statements are made with reference to a simply supported under-reinforced RCC beam : Failure takes place by crushing of concrete before the steel has yieled.The neutral axis moves up as the load is increased. With reference to the above statements, which of the following applies ? |
| A. | Both the statements are false. |
| B. | I is true but II is false. |
| C. | Both the statements are true. |
| D. | I is false but II is true. |
| Answer» D. I is false but II is true. | |
| 1069. |
Choose the correct statement about horizontal component of resultant hydrostatic pressure on a curved submerged surface : |
| A. | It is equal to the product of pressure at the centroid and the curved area |
| B. | It is equal to the weight of the liquid above the curved surface acting at 0.5 depth of the surface |
| C. | It is equal to the projected area of the surface on a vertical plane multiplied by the pressure at the centre of gravity of area |
| D. | It is equal to the weight of the liquid above the curved surface multiplied by the projected area on a vertical plane. |
| Answer» D. It is equal to the weight of the liquid above the curved surface multiplied by the projected area on a vertical plane. | |
| 1070. |
In the plot of residual chlorine versus chlorine dose applied shown in the above figure, the curve will not have any (0, 0) point because |
| A. | of experimental error |
| B. | chlorine escapes into the atmosphere |
| C. | chlorine requires some contact time |
| D. | chlorine is consumed for disinfection |
| Answer» D. chlorine is consumed for disinfection | |
| 1071. |
How high should a helicopter pilot rise at a point. A just to see the horizon at point B, if the distance AB is 40 km ? |
| A. | 101.75 m |
| B. | 110.50 m |
| C. | 107.75 m |
| D. | 105.50 m |
| Answer» D. 105.50 m | |
| 1072. |
Putty is made up of |
| A. | white lead and turpentine |
| B. | powdered chalk and raw linseed oil |
| C. | red lead and linseed oil |
| D. | zinc oxide and boiled linseed oil |
| Answer» C. red lead and linseed oil | |
| 1073. |
Vibratory rollers are more useful for compacting which of the following ? |
| A. | Sandy soils |
| B. | Silty soils |
| C. | Clayer soils |
| D. | Mixed soils |
| Answer» B. Silty soils | |
| 1074. |
Which of the following measures are resorted to for strengthening masonry walls ?1. Provide cross walls.2. Pre-stressing.3. Provide gunite slab on the surface(s) of walls.4. Provide buttresses.Select the correct answer using the code given below : |
| A. | 1, 3 and 4 |
| B. | 1 and 2 |
| C. | 2 and 3 |
| D. | 1, 2, 3 and 4 |
| Answer» B. 1 and 2 | |
| 1075. |
The correct sequence of the increasing order of the disturbance to soil samples obtained from chunk, piston, split spoon and remolded sampler is |
| A. | piston sampler, chunk sampler, split spoon sampler, remolded sampler |
| B. | chunk sampler, piston sampler, split spoon sampler, remolded sampler |
| C. | piston sampler, chunk sampler, remolded sampler, split spoon sampler |
| D. | chunk sampler, piston sampler, remolded sampler, split spoon sampler |
| Answer» B. chunk sampler, piston sampler, split spoon sampler, remolded sampler | |
| 1076. |
Which of the following data would be required for the design of progressive type computerised traffic signal system in a series of intersection on a busy street ?1. Volume of fast moving traffic 2. Volume of pedestrain traffic3. Volume of slow traffic 4. Approach speed of fast moving traffic.Select the correct answer using the codes given below : |
| A. | 1, 2, 4 and 5 |
| B. | 1, 2, 3 and 4 |
| C. | 2, 3, and 5 |
| D. | 1, 3, 4 and 5 |
| Answer» C. 2, 3, and 5 | |
| 1077. |
If the mean temperature of Sun's surface 6000 K and m of its radiation is 0.5 what is the mean temperature of earth surface for which m is 10.0 m, according to Wien's Displacement Law in Remote Seniror Concept ? |
| A. | 25 C |
| B. | 28 C |
| C. | 27 C |
| D. | 30 C |
| Answer» D. 30 C | |
| 1078. |
Ratio of the width of the car parking area required at kerb for 30 parking relative to 60 parking is approximately |
| A. | 0.5 |
| B. | 0.7 |
| C. | 0.8 |
| D. | 2.0 |
| Answer» E. | |
| 1079. |
The changes that take place during the process of consolidation of a saturated clay would include |
| A. | an increase in pore water pressure and an increase in effective pressure |
| B. | an increase in pore water pressure and a decrease in effective pressure |
| C. | a decrease in pore water pressure and a decrease in effective pressure |
| D. | a decrease in pore water pressure and an increase in effective pressure |
| Answer» E. | |
| 1080. |
Under load, the void ratio of a submerged saturated clay decreases from 1.00 to 0.92. What will be the ultimate settlement of the 2 m thick clay due to consolidation ? |
| A. | 20 mm |
| B. | 40 mm |
| C. | 80 mm |
| D. | 160 mm |
| Answer» D. 160 mm | |
| 1081. |
If a sluice gate produces a change in the depth of water from 3.0 m to 0.6 m, then the force on the gate is about |
| A. | 9.5 kN/m |
| B. | 19.0 kN/m |
| C. | 38.0 kN/m |
| D. | 76.0 kN/m |
| Answer» D. 76.0 kN/m | |
| 1082. |
A saturated clay stratum of thickness 10 m, bounded on top and bottom by medium coarse sand layers, has a coefficient of consolidation of 0.002 cm2/s. If this stratum is subjected to loading, it is likely that it would undergo 50% of its primary consolidation in |
| A. | 1136 days |
| B. | 227 days |
| C. | 284 days |
| D. | 568 days |
| Answer» D. 568 days | |
| 1083. |
Due to horizontal pull of 60 kN at C, what is the force induced in the member AB? |
| A. | 0 |
| B. | 40 kN |
| C. | 80 kN |
| D. | 100 kN |
| Answer» E. | |
| 1084. |
The Trap used for a water closet is called |
| A. | gully trap |
| B. | <i>p</i> |
| C. | -trap |
| D. | intercepting trap |
| E. | anti-siphon trap |
| Answer» C. -trap | |
| 1085. |
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 | |
| 1086. |
A section of a solid circular shaft with diameter D is subjected to bending moment 'M' and torque (T). The expression for maximum principal stress at the section is |
| A. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/55-347-1.png"> |
| B. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/55-347-2.png"> |
| C. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/55-347-3.png"> |
| D. | <img src="/_files/images/civil-engineering/upsc-civil-service-exam-questions/55-347-4.png"> |
| Answer» E. | |
| 1087. |
Consider the following limitations :1. Can be performed only on purely cohesionless soils2. Plane of failure is predetermined3. There is virtually no control on drainage4. Non-uniform distribution of stresses5. Principal stresses in the sample cannot be determined The limitations inherent in direct shear test include |
| A. | 1, 2 and 3 |
| B. | 2, 3 and 4 |
| C. | 3, 4 and 5 |
| D. | 1, 2 and 5 |
| Answer» E. | |
| 1088. |
Weigh-batching proceeds on |
| A. | the assumption of the declared weight in each bag of cement |
| B. | weighing the contents of each bag |
| C. | accurately estimating the weight of each material to be used in each batch |
| D. | the assumption of correct dry weight of each size range of each material and the weight of water. |
| Answer» D. the assumption of correct dry weight of each size range of each material and the weight of water. | |
| 1089. |
The radius of curvature of an ideal transition curve should be |
| A. | inversely proportional to its length from the beginning |
| B. | directly proportional to its length from the beginning |
| C. | proportional to the speed of the vehicle |
| D. | proportional to the superelevation |
| Answer» B. directly proportional to its length from the beginning | |
| 1090. |
As per practice of Indian Railways, the grade compensation provided for B.G. on curves is |
| A. | 0.5% degree |
| B. | 0.2% degree |
| C. | 0.4% degree |
| D. | 0.15% degree |
| Answer» D. 0.15% degree | |
| 1091. |
Two particles of masses 21 gm and 28 gm are connected by a light inextensible string which passes over a fixed smooth pulley. The tension in the string in the ensuing motion will be |
| A. | 7 gm. wt |
| B. | 10 gm. wt |
| C. | 12 gm. wt |
| D. | 24 gm. wt |
| Answer» E. | |
| 1092. |
What is the value of flexural strength of M 25 concrete ? |
| A. | 4.0 MPa |
| B. | 3.5 MPa |
| C. | 3.0 MPa |
| D. | 1.75 MPa |
| Answer» C. 3.0 MPa | |
| 1093. |
A sailor, standing on the deck of a ship, just sees the light beam from a lighthouse on the shore. If the height of the sailor's eye and of the light beam at the lighthouse, above the sea level, are 9 m and 25 m respectively, what is the distance between the sailor and the lighthouse ? |
| A. | 29.8 km |
| B. | 31.1 km |
| C. | 31.9 km |
| D. | 33.2 km |
| Answer» C. 31.9 km | |
| 1094. |
The height of a hydraulic jump in a stilling pool was found to be 10 cm in a model with lp/lm = 36. The prototype jump height would be |
| A. | 0.6 m |
| B. | 3.6 m |
| C. | 21.6m |
| D. | indeterminable for want of adequate data |
| Answer» C. 21.6m | |
| 1095. |
Wearing locations of rails and their reasons are listed below :1. Wear at end of rails : Loose fish bolts2. Wear at sides of rail head : Constant lerake application3. Wear on the top of rail head on tangent truck : Rigidity of wheel base4. Wear on top of rail head on curves : Lesser area of contact between wheel and rail Which of the pairs given above are correctly matched ? |
| A. | 1 and 4 |
| B. | 1 and 2 |
| C. | 2 and 3 |
| D. | 1, 2, 3 and 4 |
| Answer» E. | |
| 1096. |
Ultimate strength of cement is influenced by which one of the following ? |
| A. | Tricalcium silicate |
| B. | Dicalcium silicate |
| C. | Tricalcium aluminate |
| D. | Tetracalcium alumino-ferrite |
| Answer» C. Tricalcium aluminate | |
| 1097. |
The load carrying capacity of an individual friction pile is 200 kN. What is the total load carrying capacity of a group of 9 such piles with group efficiency factor of 0.8 ? |
| A. | 1800 kN |
| B. | 1640 kN |
| C. | 1440 kN |
| D. | 900 kN |
| Answer» D. 900 kN | |
| 1098. |
The local sidereal time (LST) is always |
| A. | ahead of the local mean time (LMT) by about 2 hours per month |
| B. | behind LMT by about 2 hours per month |
| C. | ahead of LMT by about 4 hours per month |
| D. | equal to LMT |
| Answer» B. behind LMT by about 2 hours per month | |
| 1099. |
Consider the following statements :1. Dock is a marine structure for mooring up vessels, loading and unloading of passengers and/or cargo.2. Dry dock is generally used only for carrying out repairs, inspections and painting.3. Wet dock is an enclosed or partially enclosed basin provided with locks and entrance gate to keep the water level at a fairly constant level.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 | |
| 1100. |
Sewage sickness occurs when |
| A. | Sewage contains pathogenic organisms |
| B. | sewage enters the water supply system |
| C. | sewers get clogged due to accumulation of solids |
| D. | voids of soil get closed due to continuous application of sewage on a piece of land |
| Answer» E. | |