In drawing AOA networks and making time computations, the following processes are involved :1. Activity listing2. Work breakdown structure3. Activity time allotment4. Consideration of available resources for each activity5. Activity dependencies6. Float computations7. Backward path computation8. Project duration9. Forward path computationWhat is the correct sequence of the processes given above ?

Any sequence can be followed but 6 and 7 will be the last two ones

The bearing capacity factors , and are functions of:

angle of internal friction of soil

A -section is used as a simply supported beam with uniform loading. The maximum bending stress for a given load will occur at the

mid-point of the depth of section

1888 + Mcqs in Upsc Civil Service Exam Questions in Civil Engineering Page 8 McqOptions

351.	Consider the following statements with ragard to crack formation and its control:1. The surface width of the crack should not, in general, exceed 0.30 mm for structures not subjected to aggressive environment.2. When depth of web in a beam exceeds 750 mm, side face reinforcement @ 0.1 percent of web area should be provided on each face.3. The nominal spacing of main bars in a slab should not exceed three times the effective depth of a solid slab or 300 mm, whichever is smaller.Which of the statements given above is/are correct ?
A.	1 only
B.	1 and 2
C.	1 and 3
D.	2 and 3
Answer» D. 2 and 3

Discussion

352.	A rigid bar is supported by a spring as shown in the given figure.The deflection of the point will be
A.	10 mm upward
B.	20 mm downward
C.	5 mm upward
D.	40 mm downward.
Answer» E.

Discussion

353.	The limits of percentage 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» D. 0.8% to 8%

Discussion

354.	Figure shows the forces acting on a body. Each square is 3 cm x 3 cm. If = 30 N, = 15 N, = 25 N and = 20 N, the resultant force and the moment about point O, respectively, are
A.	0 N, 0 Ncm
B.	90 N, 80 Ncm
C.	60 N, 60 Ncm
D.	30 N, 30 Ncm
Answer» B. 90 N, 80 Ncm

Discussion

355.	A simply supported beam of span () carries a point load at midspan. The breadth '' of the beam along the entire span is constant. Given, = permissible stress in bending, for a beam of uniform strength, the depth of the beam at any cross-section, at a distance from the support would be :
A.	6
B.	3
C.	3
Answer» E.

Discussion

356.	In a direct shear test the shear stress and normal stress on a dry sand sample at failure are 0.6 kg/cm and 1 kg/cm respectively. The angle of internal friction of the sand will be nearly
A.	25°
B.	31°
C.	37°
D.	43°
Answer» C. 37°

Discussion

357.	Consider the following statements :A good soil for making bricks should contain1. about 30% alumina 2. about 10% lime nodules 3. a small quantity of iron oxides 4. about 15% magnesia.Of these statements :
A.	1 and 2 are correct
B.	1 and 3 are correct
C.	1, 3 and 4 are correct
D.	2, 3 and 4 are correct
Answer» C. 1, 3 and 4 are correct

Discussion

358.	Which of the following pairs are correctly matched ?1. Standard penetration test....Relative density2. Vane shear....Cohesion3. Consolidation test....Bearing capacitySelect the correct answer using the codes given below :
A.	1, 2 and 3
B.	1 alone
C.	1 and 2
D.	2 and 3
Answer» D. 2 and 3

Discussion

359.	A solid circular shaft is subjected to a bending moment and torque . The ratio of maximum bending stress to the maximum shear stress is given by
A.	/2
B.	2
C.	/
D.	/2
E.	/
Answer» C. /

Discussion

360.	What is the correct sequence of the following metals in the decreasing order of their Poission's ratio ?(a) Aluminium(b) Cast iron(c) SteelSelect the correct answer using the code given below :
A.	1 - 2 - 3
B.	2 - 1 - 3
C.	1 - 3 - 2
D.	3 - 1 - 2
Answer» D. 3 - 1 - 2

Discussion

361.	In the cantilever beam shown in the figure, what is the percentage of bending moment at /2 with respect to the maximum bending moment at the fixed support ?
A.	15%
B.	20%
C.	25%
D.	30%
Answer» D. 30%

Discussion

362.	and are two traverse stations free from local attraction errors. If the true bearing of a line is 89°, and the magnetic declination at point is 1° West, then the magnetic bearing of the line would be
A.	88°
B.	90°
C.	268°
D.	270°
Answer» C. 268°

Discussion

363.	For a fully saturated clay Skempton's pore pressure parameter is
A.	zero
B.	between zero and 1
C.	1
D.	more than 1
Answer» D. more than 1

Discussion

364.	A three-hinged circular arch ACB is formed by two quadrants of circles AC and BC of radii 2R and R respectively with C as crown, as shown in the figure at side. Consider the following in respect of the reactive forces developed at support A and B due to concentrated load W at the Crown. 1. Line of action at A is inclined as 45° to the horizontal. 2. = = /2 3. = 2 4. = = /2 Which of the above is/are correct ?
A.	1 and 3
B.	2 and 3
C.	1, 2 and 4
D.	4 only
Answer» B. 2 and 3

Discussion

365.	A round steel bar of overall length 40 cm consists of two equal portions of 29 cm each having diameters of 10 cm and 8 cm respectively. If the rod is subjected to a tensile load of 10 tones, the elongation will be given by :( = 2 x 10 kg/cm)
A.	1/10π (1/25 + 1/16) cm
B.	2/10π (1/25 + 1/16) cm
C.	3/10 π (1/25 + 1/16) cm
D.	4/10 π (1/25 + 1/16) cm
Answer» B. 2/10π (1/25 + 1/16) cm

Discussion

366.	In an old map, line was drawn to a magnetic bearing of 6°32', the magnetic declination at that time being 1° East. The present magnetic declination is 9°42' East. The magnetic bearing to which the line is set at present is
A.	357° 50'
B.	356° 50'
C.	3° 10'
D.	2° 10'
Answer» B. 356° 50'

Discussion

367.	The rotation of a rigid body is governed by What is its angular velocity at - 2 ?
A.	18 rad/
B.	π/4 rad /
C.	π/8 rad /
D.	zero.
Answer» C. π/8 rad /

Discussion

368.	Consider the following statements :A critical activity in a CPM network has1. The longest duration of all activities2. zero total float3. zero for float4. The shortest duration of all activitieswhich one of the statements given above are correct ?
A.	1 and 2
B.	1 and 3
C.	2 and 3
D.	3 and 4
Answer» B. 1 and 3

Discussion

369.	Consider the following statements about concrete sleepers :1. They improve the track modulus.2. They have good scrap value.3. They render transportation easy4. They maintain the gauge quite satisfactorily.Of these statements :
A.	1 and 2 are correct
B.	2 and 3 are correct
C.	3 and 4 are correct
D.	1 and 4 are correct
Answer» E.

Discussion

370.	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

Discussion

371.	Consider the following statements in case of impulse turbine :1. The pressure and velocity both change as the water flows through the turbine.2. Pressure throughout remains atmospheric and the velocity alone changes.3. All the available energy is converted into kinetic energy.4. Water is admitted over the entire circumference of the runner.5. Water is admitted only through the nozzle.Which of these statements are correct ?
A.	2, 3 and 5
B.	2 and 3
C.	1, 4 and 5
D.	1 and 4
Answer» B. 2 and 3

Discussion

372.	A soil has a bulk density of 1.80 g/cm at water content of 5%. If the void ratio remains constant, then its bulk density for a water content of 10% will be
A.	1.88 g/cm
B.	1.80 g/cm
C.	1.98 g/cm
D.	1.70 g/cm
Answer» B. 1.80 g/cm

Discussion

373.	Consider the following statements :Wind rose diagram is used for the purpose of1. runway orientation.2. estimating the runway capacity3. geometric design of holding apron.Of these statements :
A.	1 and 2 are correct
B.	2 and 3 are correct
C.	1 and 3 are correct
D.	1 alone is correct
Answer» E.

Discussion

374.	The discharge per metre width at the foot of a spillway is 10 m/s at a velocity of 20 m/s. A perfect free hydraulic jump will occur at the foot of the spillway when the tail water depth is approximately equal to
A.	4.50 m
B.	5.00 m
C.	5.50 m
D.	6.50 m
Answer» E.

Discussion

375.	Consider the following factors pertaining to flow through soil:1. Hydraulic gradient2. Grain size3. Void ratio4. Cross-sectional area of the sample.Of these, the factors affecting permeability include
A.	1 and 4
B.	2 and 3
C.	1, 2 and 3
D.	2, 3 and 4
Answer» C. 1, 2 and 3

Discussion

376.	In drawing AOA networks and making time computations, the following processes are involved :1. Activity listing2. Work breakdown structure3. Activity time allotment4. Consideration of available resources for each activity5. Activity dependencies6. Float computations7. Backward path computation8. Project duration9. Forward path computationWhat is the correct sequence of the processes given above ?
A.	1, 2, 4, 3, 9, 7, 5, 6, 8
B.	2, 1, 4, 3, 5, 9, 8, 7, 6
C.	4, 1, 3, 2, 9, 5, 7, 8, 6
D.	Any sequence can be followed but 6 and 7 will be the last two ones
Answer» B. 2, 1, 4, 3, 5, 9, 8, 7, 6

Discussion

377.	A cylindrical vessel with a constant plane area of 1 m is rotated about its vertical axis such that the liquid inside the vessel is about to spill. If the height of the vessel is 2 m and the height of the paraboloid at 1 m, then the volume (in m) of the liquid in the vessel will be
A.	2
B.	1.5
C.	1.0
D.	0.5
Answer» C. 1.0

Discussion

378.	Consider the following statements with reference to oxidation ponds :1. They require high initial investments2. They have low operational cost3. They are also called stabilization ponds.Which of the statements given above are correct ?
A.	1 and 2
B.	2 and 3
C.	1 and 3
D.	1, 2 and 3
Answer» C. 1 and 3

Discussion

379.	The length, coefficient of thermal expansion and Young's modulus of bar '' are twice that of bar ''. If the temperature of both bars is increased by the same amount while preventing any expansion, then the ratio of stress developed in bar to that in bar will be
A.	2
B.	4
C.	8
D.	16
Answer» C. 8

Discussion

380.	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

Discussion

381.	Following statements certain to the position of Sun when it lies over the First Point of Aries :1. It's hour angle is zero. 2. It's right ascension is zero.3. It's declination is zero.Of these statements :
A.	1 and 3 are correct
B.	2 and 3 are correct
C.	1 and 2 are correct
D.	1, 2 and 3 are correct
Answer» B. 2 and 3 are correct

Discussion

382.	The bearing capacity factors , and are functions of:
A.	width and depth of footing
B.	density of soil
C.	cohesion of soil
D.	angle of internal friction of soil
Answer» E.

Discussion

383.	Consider the following statements :In a uni-dimensional stress system, the principal plane is defined as one on which the 1. shear stress is zero. 2. normal stress is zero.3. shear stress is maximum. 4. normal stress is maximum. Of these statements :
A.	1 and 2 are correct
B.	2 and 3 are correct
C.	1 and 4 are correct
D.	3 and 4 are correct
Answer» D. 3 and 4 are correct

Discussion

384.	A three-hinged semicircular arch of radius carries a uniformly distributed load per unit run over the whole span. The horizontal thrust is
A.	/2
B.	4/3π
Answer» C.

Discussion

385.	The acceleration components of a fluid particle are denoted as1. local tangential acceleration.2. convective tangential acceleration.3. local normal acceleration.4. convective normal acceleration.In a curved nozzle fitted to the end of straight pipeline carrying water under variable head, the acceleration component that are present would include
A.	1 and 2
B.	3 and 4
C.	1, 2 and 4
D.	1, 2, 3 and 4
Answer» D. 1, 2, 3 and 4

Discussion

386.	Consider the following statements :In the beam shown in the given figure, for all positions of load (except = 0)1. bending moment is maximum at 2. bending moment is maximum under load 3. deflection is zero at 4. deflection is zero at Of these statements :
A.	1 and 3 are correct
B.	2 and 4 are correct
C.	1 and 4 are correct
D.	1, 3 and 4 are correct
Answer» E.

Discussion

387.	Consider the following types of soil tests :1. California bearing ratio2. Consolidation3. Unconfined compressionThe soil tests required to be done in the case of undisturbed samples include
A.	1, 2 and 3
B.	1 and 2
C.	1 and 3
D.	2 and 3
Answer» D. 2 and 3

Discussion

388.	Mercury (density = 13600 kg/m, σ = 0.49N/mm internal diameter open-ended capillary tube is inserted in the middle of the beaker into the mercury. The meniscus in the tube will be below the external mercury surface by how much distance?
A.	4.2 mm
B.	5.7 mm
C.	6.8 mm
D.	7.3 mm
Answer» E.

Discussion

389.	A cantilever beam , fixed at and carrying a load at the free end , is found to deflect by δ at the mid-point of . The deflection of due to a load /2 at the mid-point will be
A.	2δ
B.	δ
C.	δ/2
D.	δ/4
Answer» E.

Discussion

390.	A beam of square section of side '' is plane in the following way :Case I: with two sides horizontalCase II: with a diagonal horizontalThe ratio of the section modulus of Case I that of Case II is
A.	2
Answer» C.

Discussion

391.	Consider the following statements :1. Tests on cement paste to determine initial and final setting times are done at normal consistency condition.2. Low heat cement has a high percentage to tricalcium aluminate.3. High early strength portland cement contains a larger percentage of tricalcium silicate and a lower percentage of dicalcium silicate.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

Discussion

392.	What is the vertical deflection of joint of the frame shown in figure ?
A.	PL/AE
B.	2PL/AE
C.	PL/2AE
D.	3PL/AE
Answer» C. PL/2AE

Discussion

393.	In the set up shown in the above figure, assuming the specific weight of water as 10, 000 N/m, the pressure difference between the points and will be
A.	10 N/m
B.	- 10 N/m
C.	20 N/m
D.	-20 N/m
Answer» C. 20 N/m

Discussion

394.	The ratio of the "standard error of a single observation of unit weight" to the standard error of the arithmetic mean of '' observation all of unit weight, will be
A.	(1/
B.	)
C.	3
Answer» E.

Discussion

395.	Consider the following statements :Shrinkage of concrete depends upon the1. relative humidity of the atmosphere.2. passage of time.3. applied stress.Which of these statements is/are correct ?
A.	1 and 2
B.	2 and 3
C.	1 alone
D.	1, 2 and 3
Answer» B. 2 and 3

Discussion

396.	Consider the following statements in relation to the given sketch :1. Soil is partially saturated at degree of saturation = 60%2. Void ratio = 40%3. Water content = 30%4. Saturated unit weight = 1.5 Of these statements :
A.	1, 2 and 3 are correct
B.	1, 3 and 4 are correct
C.	2, 3 and 4 are correct
D.	1, 2 and 4 are correct
Answer» B. 1, 3 and 4 are correct

Discussion

397.	A -section is used as a simply supported beam with uniform loading. The maximum bending stress for a given load will occur at the
A.	top of the section
B.	C.G. of the section
C.	mid-point of the depth of section
D.	bottom of the section
Answer» E.

Discussion

398.	In trigonometric levelling, if the horizontal distance between the instrument and the object is 3088 m, the coefficient of refraction is 0.07 and sin 1" = 30.88 m, then the refraction correction in angular measure would be
A.	0.07"
B.	0.70"
C.	7.0"
D.	1'10"
Answer» D. 1'10"

Discussion

399.	Given figure shows a retaining wall of base width and height The sp. gravity of the material of construction is . Further = = = When the depth of storage increases from 0 to , the resultant force will move from
A.	to
B.	to
C.	to
D.	to
Answer» C. to

Discussion

400.	Consider the following statements regarding the longitude of a place.It is determined by :1. wireless time signals2. transportation of chronometers3. electric telegraph.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» C. 1 and 3 are correct

Discussion

Explore topic-wise MCQs in Civil Engineering.

A rigid bar is supported by a spring as shown in the given figure.The deflection of the point will be

The limits of percentage of the longitudinal reinforcement in a column is

Figure shows the forces acting on a body. Each square is 3 cm x 3 cm. If = 30 N, = 15 N, = 25 N and = 20 N, the resultant force and the moment about point O, respectively, are

A simply supported beam of span () carries a point load at midspan. The breadth '' of the beam along the entire span is constant. Given, = permissible stress in bending, for a beam of uniform strength, the depth of the beam at any cross-section, at a distance from the support would be :

In a direct shear test the shear stress and normal stress on a dry sand sample at failure are 0.6 kg/cm and 1 kg/cm respectively. The angle of internal friction of the sand will be nearly

Consider the following statements :A good soil for making bricks should contain1. about 30% alumina 2. about 10% lime nodules 3. a small quantity of iron oxides 4. about 15% magnesia.Of these statements :

Which of the following pairs are correctly matched ?1. Standard penetration test....Relative density2. Vane shear....Cohesion3. Consolidation test....Bearing capacitySelect the correct answer using the codes given below :

A solid circular shaft is subjected to a bending moment and torque . The ratio of maximum bending stress to the maximum shear stress is given by

What is the correct sequence of the following metals in the decreasing order of their Poission's ratio ?(a) Aluminium(b) Cast iron(c) SteelSelect the correct answer using the code given below :

In the cantilever beam shown in the figure, what is the percentage of bending moment at /2 with respect to the maximum bending moment at the fixed support ?

and are two traverse stations free from local attraction errors. If the true bearing of a line is 89°, and the magnetic declination at point is 1° West, then the magnetic bearing of the line would be

For a fully saturated clay Skempton's pore pressure parameter is

A round steel bar of overall length 40 cm consists of two equal portions of 29 cm each having diameters of 10 cm and 8 cm respectively. If the rod is subjected to a tensile load of 10 tones, the elongation will be given by :( = 2 x 10 kg/cm)

In an old map, line was drawn to a magnetic bearing of 6°32', the magnetic declination at that time being 1° East. The present magnetic declination is 9°42' East. The magnetic bearing to which the line is set at present is

The rotation of a rigid body is governed by What is its angular velocity at - 2 ?

Consider the following statements :A critical activity in a CPM network has1. The longest duration of all activities2. zero total float3. zero for float4. The shortest duration of all activitieswhich one of the statements given above are correct ?

Consider the following statements about concrete sleepers :1. They improve the track modulus.2. They have good scrap value.3. They render transportation easy4. They maintain the gauge quite satisfactorily.Of these statements :

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 soil has a bulk density of 1.80 g/cm at water content of 5%. If the void ratio remains constant, then its bulk density for a water content of 10% will be

Consider the following statements :Wind rose diagram is used for the purpose of1. runway orientation.2. estimating the runway capacity3. geometric design of holding apron.Of these statements :

The discharge per metre width at the foot of a spillway is 10 m/s at a velocity of 20 m/s. A perfect free hydraulic jump will occur at the foot of the spillway when the tail water depth is approximately equal to

Consider the following factors pertaining to flow through soil:1. Hydraulic gradient2. Grain size3. Void ratio4. Cross-sectional area of the sample.Of these, the factors affecting permeability include

A cylindrical vessel with a constant plane area of 1 m is rotated about its vertical axis such that the liquid inside the vessel is about to spill. If the height of the vessel is 2 m and the height of the paraboloid at 1 m, then the volume (in m) of the liquid in the vessel will be

Consider the following statements with reference to oxidation ponds :1. They require high initial investments2. They have low operational cost3. They are also called stabilization ponds.Which of the statements given above are correct ?

The length, coefficient of thermal expansion and Young's modulus of bar '' are twice that of bar ''. If the temperature of both bars is increased by the same amount while preventing any expansion, then the ratio of stress developed in bar to that in bar will be

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 :

Following statements certain to the position of Sun when it lies over the First Point of Aries :1. It's hour angle is zero. 2. It's right ascension is zero.3. It's declination is zero.Of these statements :

The bearing capacity factors , and are functions of:

Consider the following statements :In a uni-dimensional stress system, the principal plane is defined as one on which the 1. shear stress is zero. 2. normal stress is zero.3. shear stress is maximum. 4. normal stress is maximum. Of these statements :

A three-hinged semicircular arch of radius carries a uniformly distributed load per unit run over the whole span. The horizontal thrust is

Consider the following statements :In the beam shown in the given figure, for all positions of load (except = 0)1. bending moment is maximum at 2. bending moment is maximum under load 3. deflection is zero at 4. deflection is zero at Of these statements :

Consider the following types of soil tests :1. California bearing ratio2. Consolidation3. Unconfined compressionThe soil tests required to be done in the case of undisturbed samples include

Mercury (density = 13600 kg/m, σ = 0.49N/mm internal diameter open-ended capillary tube is inserted in the middle of the beaker into the mercury. The meniscus in the tube will be below the external mercury surface by how much distance?

A cantilever beam , fixed at and carrying a load at the free end , is found to deflect by δ at the mid-point of . The deflection of due to a load /2 at the mid-point will be

A beam of square section of side '' is plane in the following way :Case I: with two sides horizontalCase II: with a diagonal horizontalThe ratio of the section modulus of Case I that of Case II is

What is the vertical deflection of joint of the frame shown in figure ?

In the set up shown in the above figure, assuming the specific weight of water as 10, 000 N/m, the pressure difference between the points and will be

The ratio of the "standard error of a single observation of unit weight" to the standard error of the arithmetic mean of '' observation all of unit weight, will be

Consider the following statements :Shrinkage of concrete depends upon the1. relative humidity of the atmosphere.2. passage of time.3. applied stress.Which of these statements is/are correct ?

Consider the following statements in relation to the given sketch :1. Soil is partially saturated at degree of saturation = 60%2. Void ratio = 40%3. Water content = 30%4. Saturated unit weight = 1.5 Of these statements :

A -section is used as a simply supported beam with uniform loading. The maximum bending stress for a given load will occur at the

In trigonometric levelling, if the horizontal distance between the instrument and the object is 3088 m, the coefficient of refraction is 0.07 and sin 1" = 30.88 m, then the refraction correction in angular measure would be

Given figure shows a retaining wall of base width and height The sp. gravity of the material of construction is . Further = = = When the depth of storage increases from 0 to , the resultant force will move from

Consider the following statements regarding the longitude of a place.It is determined by :1. wireless time signals2. transportation of chronometers3. electric telegraph.Of these statements :