MCQOPTIONS
Saved Bookmarks
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.
| 1351. |
What is the condition for maximum transmission of power through a nozzle at the end of a long pipe ?(where H = total head at the inlet of the nozzle, hf = head loss due to friction ) |
| A. | H = hf/3 |
| B. | hf = H/2 |
| C. | hf = H/3 |
| D. | H = hf/2 |
| Answer» D. H = hf/2 | |
| 1352. |
Consider the following statements in respect of the critical depth of flow in a prismatical rectangular channel:1. For known specific emergy, discharge is minimum.2. For known discharge, the specific energy is minimum.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 | |
| 1353. |
Maximum gross take-off weight of an aircraft is |
| A. | equal to the maximum structural landing weight |
| B. | less than the maximum structural landing weight |
| C. | more than the maximum structural land weight |
| D. | equal to the empty operating weight plus the payload |
| Answer» D. equal to the empty operating weight plus the payload | |
| 1354. |
Consider the following factors :1. Reaction time 2. Speed3. Coefficient of longitudinal friction 4. Gradient Which of these factors are taken into account for computing braking distance ? |
| A. | 1 and 3 |
| B. | 1, 2 and 4 |
| C. | 2, 3 and 4 |
| D. | 2 and 3 |
| Answer» D. 2 and 3 | |
| 1355. |
The total observed runoff volume during a 4 hour storm with a uniform intensity of 2.8 cm/hr is 25.2 x 106 m3 from a basin of 280 km2 area. What is the average infiltration rate for the basin ? |
| A. | 3.6 mm/hr |
| B. | 4.8 mm/hr |
| C. | 5.2 mm/hr |
| D. | 5.5 mm/hr |
| Answer» C. 5.2 mm/hr | |
| 1356. |
What is the y-coordinate of the centroid of the area ABCDE shown in the figure given aside ? |
| A. | 3.2 |
| B. | 3.3 |
| C. | 3.4 |
| D. | 3.5 |
| Answer» C. 3.4 | |
| 1357. |
A 12 kg mass rests on a surface for which the coefficient of friction is μ= 0.15. What is the smallest force that can give the mass acceleration of 3 m/s2 ? (Take g = 10 m/s2). |
| A. | 120 N |
| B. | 100 N |
| C. | 65 N |
| D. | 54 N |
| Answer» C. 65 N | |
| 1358. |
The standard time meridian in India is 82°30'E. If the standard time at any instant is 20 hours 10 minutes, the local mean time for the place at a longitude of 20°E would be |
| A. | 4h PM |
| B. | 4h 10m PM |
| C. | lh 20m PM |
| D. | 0h 20m AM |
| Answer» B. 4h 10m PM | |
| 1359. |
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. | |
| 1360. |
A star is observed at its western elongation. If the latitude of place of observation is θ, the declination of star is δ, altitude of star at elongation is α, then the hour angle of star is given by |
| A. | cos H = cos δ . sec θ |
| B. | cos H = tan θ . cot δ |
| C. | cos H = tan θ . cot α |
| D. | cos H = tan δ . cot θ |
| Answer» C. cos H = tan Œ∏ . cot Œ± | |
| 1361. |
Which one of the following stresses is independent of yield stress as a permissible stress for steel members ? |
| A. | Axial tensile stress |
| B. | Maximum shear stress |
| C. | Bearing stress |
| D. | Stress in slab base |
| Answer» E. | |
| 1362. |
In the given figure, σ1 and the σ2 and maximum and minimum principal stresses. In order that the resultant stress on the plane AB is the value of θ should be |
| A. | 30° |
| B. | 45° |
| C. | 60° |
| D. | 75° |
| Answer» C. 60¬∞ | |
| 1363. |
In standard penetration test, the splitspoon sampler is penetrated into the soil stratum by giving blows from a drop weight whose weight (in kg) and free fall (in cm) are, respectively, |
| A. | 30 and 60 |
| B. | 60 and 30 |
| C. | 65 and 75 |
| D. | 75 and 65 |
| Answer» D. 75 and 65 | |
| 1364. |
Two reservoirs are connected by two pipes A and B of same and length in series. If the diamerer of A is 30% larger than that of B, what is the ratio of head loss in A to that of B ? |
| A. | 0.77 |
| B. | 0.59 |
| C. | 0.5 |
| D. | 0.27 |
| Answer» E. | |
| 1365. |
What is the volume of a 6 m deep tank having rectangular shaped top 6 m x 4 m and botton 4 m x 2 m (computed through the use of prismoidal formula) ? |
| A. | 96 m3 |
| B. | 94 m3 |
| C. | 92 m3 |
| D. | 90 m3 |
| Answer» D. 90 m3 | |
| 1366. |
In a compaction test on a soil sample, if the compaction energy is decreased (γd = maximum dry density, OMC = optimum moisture content) |
| A. | γd will increase with increase in OMC |
| B. | γd will decrease with increase in OMC |
| C. | γd will decrease with decrease in OMC |
| D. | γd will increase with decrease in OMC. |
| Answer» C. Œ≥d will decrease with decrease in OMC | |
| 1367. |
A and B are two traverse stations free from local attraction errors. If the true bearing of a line AB is 89°, and the magnetic declination at point A is 1° West, then the magnetic bearing of the line BA would be |
| A. | 88° |
| B. | 90° |
| C. | 268° |
| D. | 270° |
| Answer» C. 268¬∞ | |
| 1368. |
Consider the following statements :The effect of sea water on hardened concrete is to1. increase its strength2. reduce its strength 3. retard setting 4. decrease its durability. Of these statements : |
| A. | 1 and 3 are correct |
| B. | 2 and 3 are correct |
| C. | 2 and 4 are correct |
| D. | 1 and 4 are correct |
| Answer» C. 2 and 4 are correct | |
| 1369. |
The runway length after correcting for elevation and temperature is 2845 m. If the effective gradient on runway is 0.5 per cent, then the revised runway length will be |
| A. | 2845 m |
| B. | 2910 m |
| C. | 3030 m |
| D. | 3130 m |
| Answer» E. | |
| 1370. |
A projectile is fired horizontally with a velocity of 6 m/s from a point of height h m above and 12 m away from an object. What is the value of h required so that projectile hits the object ? |
| A. | 4.9 m |
| B. | 9.8 m |
| C. | 6 m |
| D. | 19.6 m |
| Answer» E. | |
| 1371. |
An element is subjected to stress as given in figure. For this state of stress, what is the maximum shear stress ? |
| A. | 2.5 MPa |
| B. | 5 MPa |
| C. | 10 MPa |
| D. | 15 MPa |
| Answer» C. 10 MPa | |
| 1372. |
Maximum shear stress developed in a beam of rectangular section bears a constant ratio to its average shear stress and this ratio is equal to |
| A. | 1.33 |
| B. | 1.5 |
| C. | 2 |
| D. | 2.5 |
| Answer» C. 2 | |
| 1373. |
A timber beam of rectangular section 100 mm x 50 mm is simply supported at the ends, has a 30 mm x 10 mm steel strip securely fixed to the top surface as shown in the given figure.The centroid of the "Equivalent timber beam" in this case from the tope surface |
| A. | is 5 mm |
| B. | is 30 mm |
| C. | is 15 mm |
| D. | cannot be predicted |
| Answer» C. is 15 mm | |
| 1374. |
In a cohesionless soil deposit having a unit weight of 1.5 t/m3and an angle of internal friction of 30° the active and passivelateral earth pressure intensities (in t/m2) at a depth of 10 m will, respectively, be |
| A. | 15 and |
| B. | 5 and 15 |
| C. | 10 and 20 |
| D. | 20 and 10 |
| Answer» C. 10 and 20 | |
| 1375. |
In the network given above, the critical path of activities is in the given figure |
| A. | A-C-H |
| B. | B-E-F-H |
| C. | A-D-E-F-H |
| D. | A-D-E-G |
| Answer» D. A-D-E-G | |
| 1376. |
In a plane strain problem in XY plane, the shear strain = 12 x 10-6, and the normal strain in X and Y direction = 0, For this state of strain, what is the diameter of the Mohr's Circle of strain ? |
| A. | 6 x 10-6 |
| B. | 8 x 10-6 |
| C. | 12 x l0-6 |
| D. | 24 x l0-6 |
| Answer» D. 24 x l0-6 | |
| 1377. |
A star is observed at its upper culmination when it is north of zenith. The latitude of the place of observation is 30°N and declination of the star is 50°N. The zenith distance of the star is |
| A. | 10° |
| B. | 20° |
| C. | 40° |
| D. | 80° |
| Answer» C. 40¬∞ | |
| 1378. |
A square column section of size 350 mm is 350 mm is reinforced with four bars of 25 mm diameter and four bars of 16 mm diameter. Then the transverse steel should be : |
| A. | 5 mm dia @ 240 mm c/c |
| B. | 6 mm dia @ 250 mm c/c |
| C. | 8 mm dia @ 250 mm c/c |
| D. | 8 mm dia @ 350 mm c/c |
| Answer» D. 8 mm dia @ 350 mm c/c | |
| 1379. |
Consider the following statements :Among the more common varieties of timber, namely, sal, mango and deodar, 1. sal is the strongest. 2. mango is the least durable.3. deodar is the lightest.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» B. 1 and 2 are correct | |
| 1380. |
For a circular curve of radius 200 m, the coefficient of lateral friction of 0.15 and the design speed is 40 kmph. The equilibrium superelevation (for equal pressure on inner and outer wheel) would be |
| A. | 21.3 |
| B. | 7 |
| C. | 6.3 |
| D. | 4.6 |
| Answer» D. 4.6 | |
| 1381. |
What is the vertical deflection of joint C of the frame shown in figure ? |
| A. | PL/AE |
| B. | 2PL/AE |
| C. | PL/2AE |
| D. | 3PL/AE |
| Answer» C. PL/2AE | |
| 1382. |
The combined motion of rotation and translation may be assumed to be a motion of pure rotation about some centre which goes on changing from time to time. The centre in question is known as |
| A. | Shear centre |
| B. | Meta centre |
| C. | Instantaneous centre |
| D. | Gravitational centre |
| Answer» D. Gravitational centre | |
| 1383. |
Which one of the following statements is not correct ? |
| A. | Settling and sludge digestion occur in septic tanks in one compartment |
| B. | Settling and sludge digestion occur in Imhoff tank in different compartments |
| C. | Septic tank is a low-rate anaerobic unit whereas an Imhoff tank is a high rate anaerobic unit |
| D. | The rate of sludge accumulation in septic tank is approximately 40-70 litres/capita/year |
| Answer» D. The rate of sludge accumulation in septic tank is approximately 40-70 litres/capita/year | |
| 1384. |
An elementary structural frame ABC consists of a vertical member BC and a cantilever beam AB which carries a load P at the free end A, as shown in the given figure. The bending moment diagram consists of |
| A. | triangle for both AB and BC |
| B. | rectangle for both AB and BC |
| C. | triangle for AB and rectangle for BC |
| D. | rectangle for AB and triangle for BC |
| Answer» D. rectangle for AB and triangle for BC | |
| 1385. |
The limits of percentage p of the longitudinal reinforcement in a column is |
| A. | 0.15% to 2% |
| B. | 0.8% to 4% |
| C. | 0.8% to 6% |
| D. | 0.8% to 8% |
| Answer» E. | |
| 1386. |
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. | |
| 1387. |
There are ten instrument staions occupied in succession during a traverse survey. An observer makes equal error in each station, the magnitude of which is δ θ in each instance at all the stations. What is the probable error of the final bearing at the end of the traverse ? |
| A. | ± 10 δ θ |
| B. | ± 100(δ θ)2 |
| C. | ± 10 (δ θ) |
| D. | ± l0 δ θ |
| Answer» E. | |
| 1388. |
In the design of two-way slab restrained at all edges, torsional reinforcement required is : |
| A. | 0.75 times the area of steel provided at midspan in the same direction |
| B. | 0.375 times the area of steel provided at midspan in the same direction |
| C. | 0.375 times the area of steel provided in the shorter span |
| D. | Nil |
| Answer» B. 0.375 times the area of steel provided at midspan in the same direction | |
| 1389. |
Consider the following factors :1. Provision of a suitable slope to the top of the sill.2. Proper throating of the sill to throw off the water outside.3. Giving a projection of not less than 50 mm to the sill.4. Providing damp-proof course below the sill to check the entry of moisture inside the main wall.Those considered while constructing a brick sill would include |
| A. | 1 and 2 |
| B. | 1, 3 and 4 |
| C. | 2, 3 and 4 |
| D. | 1, 2, 3 and 4 |
| Answer» B. 1, 3 and 4 | |
| 1390. |
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 | |
| 1391. |
A buttress in a wall is intended to provide |
| A. | lateral support to roof slab only |
| B. | lateral support to wall |
| C. | to resist vertical loads only |
| D. | lateral support to roof beams only |
| Answer» C. to resist vertical loads only | |
| 1392. |
Which one of the following statements is correct ?As the depth of immersion of a vertical plane surface increases, the location of centre of pressure. |
| A. | comes closer to the centre of the area |
| B. | moves apart from the centre of gravity of the area |
| C. | ultimately coincides with the centre of gravity of the-area |
| D. | remains unaffected |
| Answer» B. moves apart from the centre of gravity of the area | |
| 1393. |
As elastic bar of length 'l', cross-sectional area A, Young's modulus of elasticity E and self-weight W is hanging vertically. It is subjected to a load P applied axially at the bottom end. The total elongation of the bar is given by. |
| A. | WI/AE + PI/AE |
| B. | WI/2AE + PI/AE |
| C. | WI/2AE + PI/2AE |
| D. | WI/AE + PI/2AE |
| Answer» C. WI/2AE + PI/2AE | |
| 1394. |
The laboratory tests on a sample yielded the following results :Plasticity index : 32 %Liquidity index : - 0.15, Activity number: 1.58.Which of the following inferences can be drawn ?1. The soil is very stiff.2. The soil is medium soft.3. The soil is highly plastic.4. The soil is medium plastic.5. The soil is active.Select the correct answer using the codes given below : |
| A. | 1, 3 ana 5 |
| B. | 1, 3 and 4 |
| C. | 2, 3 and 5 |
| D. | 1, 2 and 4 |
| Answer» B. 1, 3 and 4 | |
| 1395. |
Due to some point load anywhere on a fixed beam, the maximum free bending moment is M. The sum of fixed end moment is |
| A. | M |
| B. | 1.5M |
| C. | 2.0M |
| D. | 3.0M |
| Answer» B. 1.5M | |
| 1396. |
If the curve lead of a broad gauge railway turnout is 16.76 metres, the angle of crossing of the turnout will be given by |
| A. | tan-1 10 |
| B. | tan-1 5 |
| C. | tan-1 1/10 |
| D. | tan-1 1/5 |
| Answer» D. tan-1 1/5 | |
| 1397. |
A three-hinged symmetric parabolic arch is hinged at the springing and at the crown. The span and rise are 40 m and 10 m respectively. The left half of the arch is loaded with U.D.L. of 3 t/m. The horizontal thrust at the springings will be |
| A. | 15 t |
| B. | 20 t |
| C. | 20 t |
| D. | 40 t |
| Answer» D. 40 t | |
| 1398. |
The concentration of hardness producing cations may be estimated using which one of the following ? |
| A. | Conductivity meter |
| B. | pH meter |
| C. | Spectrophotometer |
| D. | Flame photometer |
| Answer» C. Spectrophotometer | |
| 1399. |
If carbon monoxide is released at the rate of 0.03 m3/min from a gasolene engine and 50 ppm is the threshold limit for an 8-hour exposure, the quantity of air which dilutes the contaminant to a safe level will be |
| A. | 60 m3/min |
| B. | 600 m3/min |
| C. | 600 m3/s |
| D. | 60 m3/s |
| Answer» B. 600 m3/min | |
| 1400. |
Which one of the following statements is correct ?A forebay in a hydel system is provided at the junction of : |
| A. | the power channel and the tail race channel |
| B. | the tail race channel and the penstock |
| C. | the penstock and the turbine |
| D. | the power channel and the penstock |
| Answer» E. | |