Civil Engineering Quiz 43

1 / 50

Which of the following methods of theodolite traversing is suitable for locating the details which are far away from transit stations ?

measuring angle and distance from one transit station

measuring angle at one station and distance from other

measuring angles to the point from at least two stations

measuring distance from two points on traverse line

2 / 50

The ratio of maximum sewage flow to average sewage flow for mains up to 1 m in diameter, is__________?

1.5

3 / 50

If the depth of actual neutral axis of a doubly reinforced beam_____?

Is greater than the depth of critical neutral axis, the concrete attains its maximum stress earlier

Is equal to the depth of critical neutral axis; the concrete and steel attain their maximum stresses simultaneously

Is less than the depth of critical neutral axis, the steel in the tensile zone attains its maximum stress earlier

All

4 / 50

Which one of the following tests is used for testing sewer pipes ?

All

Mirror test

Water test

Ball test

5 / 50

The percentage of voids in cement is approximately______?

40%

60%

25%

80%

6 / 50

The item of the brick structure measured in sq.m, is__________?

Brick work in arches

Broken glass coping

Reinforced brick work

Brick edging

7 / 50

Average annual rainfall at any station is the average of annual rainfall over a period of_______?

35 years

21 years

7 years

14 years

8 / 50

Froude number is significant in___________?

full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc.

all of the above

supersonics, as with projectile and jet propulsion

simultaneous motion through two fluids where there is a surface of dis-continuity, gravity forces, and wave making effect, as with ship?s hulls

9 / 50

Assertion A : Shishum is used for decorative woodwork. Reason R : Shishum can be polished to an excellent finish. Select your answer according to the coding system given below ?

A is true but R is false

Both A and R are true but R is not the correct explanation of A

Both A and R are true and R is the correct explanation of A

A is false but R is true

10 / 50

Which of the following statements is incorrect ?

The number of longitudinal bars provided in a circular column should not be less than four

Spacing of longitudinal bars measured along the periphery of column should not exceed 300 mm

Reinforcing bars in a column should not be less than 12 mm in diameter

Minimum cross sectional area of longitudinal reinforcement in a column is 0.8%

11 / 50

The strain energy stored in a spring when subjected to greatest load without being permanently distorted, is called_____?

Stiffness

Proof load

Proof resilience

Proof stress

12 / 50

In SI units the power of sound is represented in _________?

Kgs

Joules

Watts

Newtons

13 / 50

The transition curve used in the horizontal alignment of highways as per IRC recommendations is______?

lemniscate

cubic parabola

spiral

any of the above

14 / 50

Pick up the correct statement from the following?

All

In a loaded beam, the moment at which the first yield occurs is called yield moment

In a loaded beam, the moment at which the entire section of the beam becomes fully plastic, is called plastic moment

In a fully plastic stage of the beam, the neutral axis divides the section in two sections of equal area

15 / 50

Water content of sewage is about__________?

90%

9.90%

95%

99%

16 / 50

The ratio of absolute viscosity to mass density is known as___________?

specific viscosity

coefficient of viscosity

viscosity index

kinematic viscosity

17 / 50

For a catchment area of 120 km2, the equilibrium discharge in m3/hour of an S-curve obtained by the summation of 6 hour unit hydro graph is______?

0.2 x 106

7.2 xlO6

2.4 xlO6

0.6 x 106

18 / 50

Flow of water in a pipe about 3 meters in diameter can be measured by________?

rotameter

venturi

orifice plate

pitot tube

19 / 50

Biochemical Oxygen Demand (B.O.D.) of safe drinking water must be_______?

nil

20 / 50

Cube strength of controlled concrete to be used for pretensioned and post-tensioned work respectively should not be less than_________?

35 MPa and 42 MPa

53 MPa and 42 MPa

42 MPa and 53 MPa

42 MPa and 35 MPa

21 / 50

The ground surface slopes 1 in 50 along a proposed railway embankment 150 m in length. The height of the embankment at zero chainage is 0.5 m, the width is 11 m and side slopes 2:1. If the falling gradient of the embankment is 1 in 150, the quantity of the earthwork calculated by Prismoidal formula, is___________?

3225 m3

3275 m3

3300 m3

3250 m3

22 / 50

The critical combination of stresses for corner region in cement concrete roads is____________?

load stress + warping stress

load stress + frictional stress

load stress + warping stress frictional stress

load stress + warping stress + frictional stress

23 / 50

The amount of residual chlorine left in public water supply for safety against pathogenic bacteria is about_____?

0.5 to 1.0 ppm

0.01 to 0.05 ppm

0.05 to 0.5 ppm

1.0 to 5.0 ppm

24 / 50

The horizontal thrust on the ends of a two hinged semicircular arch of radius carrying________?

end, is

A uniforml 4/3

non of these

All

25 / 50

Principle of superposition is applicable when__________?

the action of applied forces will be affected by small deformations of the structure

none of the above

deflections are linear functions of applied forces

material obeys Hooke?s law

26 / 50

If is the sectional area of a pre-stressed rectangular beam provided with a tendon pre -stressed by a force through its centroidal longitudinal axis, the compressive stress in concrete, is______?

P/A

P/2A

A/P

2A/P

27 / 50

If 850 kg liquid occupies volume of one cubic meter, men 0.85 represents its______?

specific weight

specific gravity

specific mass

specific density

28 / 50

For a flood control reservoir, the effective storage is equal to______?

useful storage + surcharge storage

useful storage ? valley storage

useful storage + surcharge storage + valley storage

useful storage + surcharge storage -valley storage

29 / 50

Stream lines and path lines always coincide in case of_________?

uniform flow

steady flow

turbulent flow

laminar flow

30 / 50

It is observed that in a certain sinusoidal oscillation, the amplitude is linearly dependent on the frequency f. If the maximum velocity during the oscillation is V, then V must be proportional to________?

1/f2

1/f

31 / 50

A foundation rests on______?

Base of the foundation

Foundation soil

All

Sub-grade

32 / 50

As per ICAO, the minimum basic runway length for A and E type of airport will be_______?

2100 m and 750 m

1500 m and 750 m

2100 m and 600 m

1500 m and 600 m

33 / 50

Barometer is used to measure_________?

very low pressure

pressure in pipes, channels etc.

atmospheric pressure

difference of pressure between two points

34 / 50

The design period of sewage treatment works in normally________?

30 ? 40 years

40 ? 50 years

5 ? 10 years

15 ? 20 years

35 / 50

The value of mass density in kgsecVm4 for water at 0?C is______?

1000

101.9

100

36 / 50

The live load for a sloping roof with slope 15?, where access is not provided to roof, is taken as______?

1.50 kN/m2

1.35 kN/m2

0.75 kN/m2

0.65 kN/m2

37 / 50

Ratio of inertia force to elastic force is known as ____________?

Weber?s number

Mach number

Froude number

Reynold?s number

38 / 50

As compared to field rivets, the shop rivets are_______?

weaker

equally strong

stronger

any of the above

39 / 50

The expected out turn of 2.5 cm cement concrete floor per mansion per day_________?

10 sqm

7.5 sqm

5.0 sqm

2.5 sqm

40 / 50

Aggregation of individuals formed for the purpose of conducting a business and recognized by law as a fictitious person is called _______________?

Partnership

Investors

Corporation

Stockholders

41 / 50

No treatment of the sewage is given if dilution factor is_____________?

Between 200 to 300

More than 500

Between 150 to 200

Less than 150

42 / 50

Steel tanks are mainly designed for______________?

earthquake forces

wind pressure

weight of tank

water pressure

43 / 50

A concentrated load P is supported by the free end of a quadrantal ring AB whose end B is fixed The ratio of the vertical to horizontal deflections of the end A, is_____?

44 / 50

The most suitable type of equipment for compaction of cohesive soils is________?

Tampers

Vibratory rollers

Smooth-wheeled rollers

Sheep foot rollers

45 / 50

The average permissible stress in bond for plain bars in tension is______?

decreased by 10% for bars in compression

increased by 10% for bars in compression

decreased by 25% for bars in compression

increased by 25% for bars in compression

46 / 50

The suitable system of sanitation for area of distributed rainfall throughout the year with less intensity is________?

separate system

partially combined system

partially separate system

combined system

47 / 50

In a colar beam roof______?

there is no horizontal tie beam

there is a horizontal tie at almost the middle of rafters only

there are two horizontal ties, one at the feet and other at the middle of the rafters

there is a horizontal tie at the feet of rafters only

48 / 50

When a number of roads are meeting at a point and only one of the roads is important, then the suitable shape of rotary is_______?

elliptical

circular

tangent

turbine

49 / 50

The ratio of average values of shear stresses produced on the bed and the banks of a channel due to flowing water is_______?

greater than 1

equal to 1

less than 1

equal to zero

50 / 50

Normal depth in open channel flow is the depth of flow corresponding to______?

unsteady flow

uniform flow

steady flow

laminar flow

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