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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.
| 1401. |
In the PERT analysis, which one of the following is followed by the time estimate of activities and probability of either occurrance ? |
| A. | Normal distribution |
| B. | Poisson's distribution |
| C. | β - distribution |
| D. | Binomial distribution. |
| Answer» D. Binomial distribution. | |
| 1402. |
A hollow cylinder made of wood (sp. gr. = 0.8) has an external diameter of 1.0 m and an interal diameter of 0.6 m. It floats in water with its axis vertical and is in stable equilibrium. This is possible only when the length of the cylinder is equal to or less than |
| A. | 0.72 m |
| B. | 0.95 m |
| C. | 1.03 m |
| D. | 1.20 m |
| Answer» D. 1.20 m | |
| 1403. |
If the settlement of a single pile in sand is denoted by S and that of a group of N identical piles (each pile carrying the same load) by Sg, then the ratio Sg/S will |
| A. | be equal to 1 irrespective of width of the group |
| B. | be equal to N irrespective of width of the group |
| C. | decrease as the width of the group increases |
| D. | increase as the width of the group increases |
| Answer» E. | |
| 1404. |
The water supply to a house begins with the connection of the service pipe with the municipal water mains. The connections comprises :1. Stopcock 2. Goose neck3. Ferrule 4. Water meterThe correct statement of these connections is : |
| A. | 1, 2, 3, 4 |
| B. | 3, 1, 2, 4 |
| C. | 3, 2, 1, 4 |
| D. | 1, 2, 4, 3 |
| Answer» D. 1, 2, 4, 3 | |
| 1405. |
For a given storm, other factors remaining same : |
| A. | Basins with large drainage densities give smaller flood peaks. |
| B. | Low drainage density basins give shorter time bases of hydrographs. |
| C. | The flood peak is independent of the drainage density. |
| D. | Basins having low drainage density give smaller peaks in flood hydrographs. |
| Answer» E. | |
| 1406. |
A vehcile was stopped in two seconds by fully jamming the brakes. The skid marks measured 9.8 metre's. The average skid resistance coefficient will be |
| A. | 0.7 |
| B. | 0.5 |
| C. | 0.4 |
| D. | 0.25 |
| Answer» C. 0.4 | |
| 1407. |
Approximate ratio of the permeabilities of two clean soils having D10 = 0.6 mm and D10 = 0.3 mm is |
| A. | 4 |
| B. | 3.75 |
| C. | 4.25 |
| D. | 3.5 |
| Answer» B. 3.75 | |
| 1408. |
A soil fails under an axial vertical stress of 100 kN/m2 in unconfined compression test. The failure plane makes an angle of 50° with the horizontal. The shear parameters c and φ respectively will be |
| A. | 41.9 kN/m2, 0 |
| B. | 50.0 kN/m2, 0 |
| C. | 41.9 kN/m2, 10° |
| D. | 50.0 kN/m2, 10° |
| Answer» D. 50.0 kN/m2, 10¬∞ | |
| 1409. |
A beam ABC is simply-supported at A and B with an overhang BC as shown in the given figure. It carries loads as shown in the figure. If both the reactions are equal then W will be equal to |
| A. | 8P/5 |
| B. | 5P/8 |
| C. | 5P/4 |
| D. | 4P/5 |
| Answer» E. | |
| 1410. |
The adjoining figures show funicular diagram and polar diagram for a beam subjected to vertical forces. x is the distance of the pole from the vector line. If x is doubled, then the ordinate in the funicular diagram will be |
| A. | doubled |
| B. | halved |
| C. | unaffected |
| D. | tripled |
| Answer» D. tripled | |
| 1411. |
A three-hinged parabolic arch rib with hinges at abutments and at crown is under the action of uniformly distributed load 'W' per unit length over its entire span 'l' through its crown. The bending moment at quarter span is |
| A. | zero |
| B. | Wl2/8 |
| C. | Wl2/12 |
| D. | Wl2/24 |
| Answer» B. Wl2/8 | |
| 1412. |
Which one of the following is the correct sound intensity expression with usual notations ? |
| A. | dB = 10 log10 (I/I0)2 |
| B. | dB = 10 log10 (I/I0) |
| C. | dB = 10 log10 (I - I0)2 |
| D. | dB = 10 log10 (I - I0) |
| Answer» C. dB = 10 log10 (I - I0)2 | |
| 1413. |
Two long columns C1 and C2 are made of the same materials. Column C1 has both the ends hinged while column C2 has one end hinged and other end fixed. What is the ratio of the critical load for C1 to that of C2 according to the Euler's formula ? |
| A. | 2 |
| B. | |
| C. | 4 |
| Answer» C. 4 | |
| 1414. |
For stability analysis of slopes of purely cohesive soils, the critical centre is taken to lie at the intersection of |
| A. | the perpendicular bisector of the slope and the locus of the centre |
| B. | the perpendicular drawn at one-third slope from the toe and the locus of the centre |
| C. | the perpendicular drawn at two-third slope from the toe and the locus of the centre |
| D. | directional angles |
| Answer» E. | |
| 1415. |
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 | |
| 1416. |
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 | |
| 1417. |
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 | |
| 1418. |
Consider the following statements :1. Masonry in rich cement mortar though having good strength with high shrinkage is much liable for surface cracks. 2. Lime mortar possesses poor workability and poor water retentivity and also suffers high shrinkage.3. Masonry in lime mortar has better resistance against rain penetration and is less liable to crack when compared to masonry in cement mortar.Which of these statements are correct ? |
| A. | 1, 2 and 3 |
| B. | 1 and 2 |
| C. | 2 and 3 |
| D. | 1 and 3 |
| Answer» B. 1 and 2 | |
| 1419. |
Which of the following statements are true for the pile shown in the figure ?1. Frictional resistance acts upwards through the length of the pile.2. Negative skin friction acts over the length AB3. Frictional resistance acts upwards over the length BC4. There is point resistance at level CSelect the correct answer using the codes given below : |
| A. | 1, 3 and 4 |
| B. | 2, 3 and 4 |
| C. | 1 and 2 |
| D. | 2 and 3 |
| Answer» B. 2, 3 and 4 | |
| 1420. |
Consider the following stages in the manufacturing of bricks :1. Weathering2. Moulding3. TemperingThe correct sequence of these stages in the manufacturing of the bricks, is |
| A. | 1, 2, 3 |
| B. | 2, 3, 1 |
| C. | 1, 3, 2 |
| D. | 3, 2, 1 |
| Answer» D. 3, 2, 1 | |
| 1421. |
A soil sample is having a specific gravity of 2.60 and a void ratio of 0.78. The water content in percentage required to fully saturate the soil at the void ratio would be |
| A. | 10 |
| B. | 30 |
| C. | 50 |
| D. | 70 |
| Answer» C. 50 | |
| 1422. |
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 | |
| 1423. |
The shear stress distribution over a rectangular cross-section of a beam follows |
| A. | a straight line path |
| B. | a circular path |
| C. | a parabolic path |
| D. | an elliptical path |
| Answer» D. an elliptical path | |
| 1424. |
Which one of the following is the appropriate triaxial test to assess the immediate stability of an unloading problem, such as an excavation of a clay slope ? |
| A. | UU test |
| B. | CU test |
| C. | CD test |
| D. | Unconsolidated drained test |
| Answer» C. CD test | |
| 1425. |
A mild steel flat subjected to a tensile force of 84 tonnes is connected to a gusset plate using rivets. If the forces required to shear a single rivet, to crush the rivet and to tear the plate per pitch length are 5000 kg, 8000 kg and 6000 kg respectively, then the number of rivets required is |
| A. | 12 |
| B. | 14 |
| C. | 16 |
| D. | 17 |
| Answer» E. | |
| 1426. |
Consider the following statements :For the manufacture of good quality bricks it is essential to1. use a reverberatory kiln.2. blend the soil with clay or sand as deemed appropriate.3. knead the soil in a ghani.4. temper the soil in a pug mill.Of these statements; |
| A. | 1 and 3 are correct |
| B. | 2 and 4 are correct |
| C. | 1, 3 and 4 are correct |
| D. | 2, 3 and 4 are correct |
| Answer» C. 1, 3 and 4 are correct | |
| 1427. |
Which one of the following statements is correct with respect to rigid pavements ? |
| A. | Vertical stresses are transmitted to the lower layer through the points of contact in granular structure. |
| B. | Vertical compressive stress is maximum on the pavement surface directly under the wheel load. |
| C. | Lower layers have to take lesser magnitudes of stress |
| D. | Stresses on rigid pavements are transmitted to a wider area of sub grade. |
| Answer» C. Lower layers have to take lesser magnitudes of stress | |
| 1428. |
Consider the following statements :In the case of close coiled spring carrying an axial loading the spring is subjected to : 1. torsion 2. axial force3. bending moment the effect of which can be neglected.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 | |
| 1429. |
A clay sample has a void ratio of 0.54 in dry state. The specific gravity of soil solids is 2.7. What is the shrinkage limit of the soil ? |
| A. | 0.085 |
| B. | 0.1 |
| C. | 0.17 |
| D. | 0.2 |
| Answer» E. | |
| 1430. |
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» B. 1, 3, 2 | |
| 1431. |
Why are bricks soaked in water before using in brick masonry ? |
| A. | For removing dust |
| B. | For reducing air voids |
| C. | For preventing depletion of moisture from mortar |
| D. | For reducing efflorescence |
| Answer» D. For reducing efflorescence | |
| 1432. |
What is the shape of influence line diagram for the maximum bending moment in respect of a simply supported beam ? |
| A. | Rectangular |
| B. | Triangular |
| C. | Parabolic |
| D. | Circular |
| Answer» C. Parabolic | |
| 1433. |
A cantilever of constant depth carries a uniformly distributed load on the whole span. To make the maximum stress at all sections the same, the breadth of the section at a distance x from the free end should be proportional to |
| A. | x |
| B. | x |
| C. | x2 |
| D. | x3 |
| Answer» D. x3 | |
| 1434. |
What is the prime objective of providing a point lock ? |
| A. | To ensure that each switch is correctly set. |
| B. | To ensure that the point may not be operated while the train is on it. |
| C. | To detect any obstruction between stock rail and tongue rail. |
| D. | To limit the riding of the conical exterior circumference of the wheels. |
| Answer» C. To detect any obstruction between stock rail and tongue rail. | |
| 1435. |
The coefficient of linear expansion of granite is in the range of that of |
| A. | glass |
| B. | mild steel |
| C. | high carbon steel |
| D. | bamboo |
| Answer» B. mild steel | |
| 1436. |
A 30 m steel tape was standardised at 20°C measurements of distances were taken as 15°C. If the coefficient of linear expansion of the material of the tape were 0.00, 00112 degree centigrade, then the error, due to temperature, per tape length would be |
| A. | - 0.00, 00560 m |
| B. | + 0.00, 00560 m |
| C. | + 0.00, 16800 m |
| D. | - 0.00, 16800 m |
| Answer» E. | |
| 1437. |
Reinforced concrete door and window frames can be compacted using :1. needle vibrator2. plate vibrator3. form vibrator4. tappingThe correct sequence of these equipment in order of preference (from the best to the worst) is |
| A. | 2, 3, 4, 1 |
| B. | 3, 2, 1, 4 |
| C. | 2, 3, 1, 4 |
| D. | 3, 2, 4, 1 |
| Answer» E. | |
| 1438. |
The effective depth of a singly reinforced rectangular beam is 30 cm. The section is over-rein-forced and the neutral axis is 12 cm below the top. If the maximum stress attained by concrete is 50 kg/cm2 and the modular ratio is 18, then the stress developed in steel would be |
| A. | 1800 kg/cm2 |
| B. | 1600 kg/cm2 |
| C. | 1350 kg/cm2 |
| D. | 1300 kg/cm2 |
| Answer» E. | |
| 1439. |
A fixed beam and a simply supported beam having same span and develop same maximum bending moment due to uniformly distributed load on entire span. What is the ratio of uniformly distributed load on fixed beam to that on simply supported beam ? |
| A. | 0.5 |
| B. | 1 |
| C. | 1.5 |
| D. | 3 |
| Answer» E. | |
| 1440. |
The length of a transition curve for a circular curve of radius 300 m and for a design speed of 15 m/s, when the rate of change of centrifugal acceleration is 0.3 m/s3 is |
| A. | 30 m |
| B. | 37.5 m |
| C. | 45 m |
| D. | 60 m |
| Answer» C. 45 m | |
| 1441. |
Self-purification of running streams may be due to |
| A. | sedimentation, oxidation land coagulation |
| B. | dilution, sedimentation and oxidation |
| C. | dilution, sedimentation and coagulation |
| D. | dilution, oxidation and coagulation |
| Answer» C. dilution, sedimentation and coagulation | |
| 1442. |
When was the water (Prevention and Control of Pollution). Act enacted by the Indian Parliament ? |
| A. | 1970 |
| B. | 1974 |
| C. | 1980 |
| D. | 1985 |
| Answer» C. 1980 | |
| 1443. |
As the state of strain of an element of dense sand changes from plain strain to trivial condition, the effective angle of internal friction : |
| A. | increases |
| B. | decreases |
| C. | remains constant |
| D. | first increases and then remains constant |
| Answer» C. remains constant | |
| 1444. |
The phenomenon of decreased resistance of a material due to reversal of stress is called |
| A. | resilience |
| B. | elasticity |
| C. | creep |
| D. | fatigue |
| Answer» C. creep | |
| 1445. |
In the truss shown in the given figure, the forces in the members AB and BC will be respectively (plus denotes tension) |
| A. | zero and zero |
| B. | - W/cos 60° and + W tan 60° |
| C. | - W/cos 60° and zero |
| D. | zero and + W tan 60° |
| Answer» B. - W/cos 60¬∞ and + W tan 60¬∞ | |
| 1446. |
The daily cover of MSW landfills consists of which one of the following ? |
| A. | Compacted soil |
| B. | Geomembrane |
| C. | Geotextile |
| D. | Geocomposite |
| Answer» B. Geomembrane | |
| 1447. |
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' | |
| 1448. |
Which of the following statements is/are true in relation to the term 'detention period' in a settling tank?1. It may be determined by introducing a dye in the inlet and timing its appearance at the outlet.2. Greater the detention period, greater the efficiency of removal of settleable matter.3. It is the time taken for any unit of water to pass through the setting basin.4. It is usually more than the flowthrough period.Select the correct answer using the codes given below : |
| A. | 1, 2, 3 and 4 |
| B. | 2, 3 and 4 |
| C. | 1 and 3 |
| D. | 4 alone |
| Answer» B. 2, 3 and 4 | |
| 1449. |
Which of the following are the purposes of a groyne as a river training structure ?1. It contracts a river channel to improve its depth.2. It protects the river bank.3. It does not allow silt to deposit in the vicinity.4. It trains the flow along a certain course.Select the correct answer using the code given below : |
| A. | 1 and 2 |
| B. | 1, 2 and 3 |
| C. | 1 and 3 |
| D. | 2, 3 and 4 |
| Answer» E. | |
| 1450. |
A 30 cm diameter friction pile is embedded 10 m into a homogeneous consolidated deposit. Unit adhesion developed between clay and pile shaft is 4 t/m2 and adhesion factor is 0.7. The safe load for factor of safety 2.5 will be |
| A. | 21.50 t |
| B. | 11.57 t |
| C. | 10.55 t |
| D. | 6.35 t |
| Answer» D. 6.35 t | |