Civil Engineering Quiz 42

1 / 50

_________ is the element of value which a business has earned through the favorable consideration and patronage of its costumers arising from its well known and well conducted policies and operations?

Known owners

Status company

Big income

Goodwill

2 / 50

If the time of concentration is 9 minutes, then the intensity of rainfall according to British Ministry of Health formula will be_________?

20 mm/hr

40 mm/hr

4 mm/hr

lOmm/hr

3 / 50

Metacentric height is the distance between the metacentre and__________?

center of gravity

water surface

center of pressure

center of buoyancy

4 / 50

In a doubly-reinforced beam if and the effective depth and is depth of critical neutral axis, the following relationship holds good_____?

mc/t = (d ? n)/t

(t + c)/n = (d + n)/n

(m + c)/t = n/(d + n)

mc/t = n/(d ? n)

5 / 50

In trickling filter, B.O.D is reduced to__________?

80 to 90%

30 to 40%

40 to 60%

60 to 80%

6 / 50

For the same solid content, if the quantity of sludge with moisture content of 98% is X, then the quantity of sludge with moisture content of 96% will be_________?

X/4

X/2

7 / 50

The steepest gradient permissible on a 2.5? curve for Broad Gauge line having ruling gradient of 1 in 200 is__________?

1 in 250

1 in 222

1 in 235

1 in 275

8 / 50

Which of the following is a measure of particle size range ?

none of the above

coefficient of curvature

effective size

uniformity coefficient

9 / 50

The point in the immersed body through which the resultant pressure of the liquid may be taken to act is known as_________?

center of buoyancy

center of pressure

center of gravity

metacentre

10 / 50

The predominant constituent which is responsible for strength in granite is_____________?

mica

quartz

none of the above

feldspar

11 / 50

Flow occurring in a pipeline when a valve is being opened is _____________?

steady

laminar

unsteady

vortex

12 / 50

The constituent of cement which is responsible for all the undesirable properties of cement is____________?

tetra calcium alumino ferrite

tricalcium silicate

tricalcium aluminate

dicalcium silicate

13 / 50

Which of the following pumps in used to pump sewage solids with liquid sewage without clogging the pump is ?

Centrifugal pump

None of these

Reciprocating pump

Pneumatic ejector

14 / 50

Physical properties of a permeant which influence permeability are_______?

unit weight only

both viscosity and unit weight

none of the above

viscosity only

15 / 50

The speed of sound in a ideal gas varies directly as its _____?

temperature

density

pressure

absolute temperature

16 / 50

The units of dynamic or absolute viscosity are______?

kg sec/meter

newton-sec per meter

metres2 per sec

newton-sec2 per meter

17 / 50

Select the incorrect statement?

Earliest start of an activity is the early event time of the node it leaves.

Latest finish of an activity is the late event time of the node it enters.

none of the above

Latest start of an activity is its latest finish minus its duration.

18 / 50

The desirable length of overtaking zone as per IRC recommendation is equal to_______?

five times the overtaking sight distance

overtaking sight distance

two times the overtaking sight distance

three times the overtaking sight distance

19 / 50

For house drainage minimum gradient is_________?

1 in 400

1 in 80

1 in 10

1 in 60

20 / 50

Which of the following sedimentary rocks changes into quartzite by metamorphic action ?

lime stone

sand stone

gypsum

shale

21 / 50

In the truss shown in the given figure, the force in member BC is_____?

100 t compressive

Indeterminate

Zero

100 t tensile

22 / 50

A ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being 1/3. The ball rebounds at the same angle. The fraction of its kinetic energy lost is__________?

9-Jan

3-Jan

3-Feb

9-Aug

23 / 50

For beams of uniform strength, if depth is constant_____?

Width b 1/M

Width b 3 M

Width b M

24 / 50

Which one of the following statement is incorrect regarding the electromagnetic radiation ?

None of these

The oscillation of charged particles sets up changing electric fields

The changing electric fields induce the changing magnetic fields in the surrounding medium

These are produced by the motion of electric charge

25 / 50

Force polygon method is applicable for____________?

non-concurrent copianar force system

any copianar force system

a system of parallel forces only

concurrent copianar force system

26 / 50

The centre to centre spacing of heliport lighting along the periphery of landing and take off area should be_____?

7.5 m

5.0 m

2.5 m

10.0 m

27 / 50

Select the correct statement?

Carbon percentage in high carbon steel is less than that in mild steel

Elastic modulus of high tensile steel is nearly the same as that of mild steel

High tensile steel is cheaper than mild steel

Elastic modulus of high tensile steel is more than that of mild steel

28 / 50

Metacentric height for small values of angle of heel is the distance between the_______?

centre of gravity and centre of buoy-ancy

centre of buoyancy and metacentre

centre of gravity and metacentre

free surface and centre of buoyancy

29 / 50

If rain is falling in the opposite direction of the movement of a pedestrain, he has to hold his umbrella________?

less inclined when standing

more inclined when standing

more inclined when moving

less inclined when moving

30 / 50

The resultant of two forces P and Q is R. If Q is doubled, the new resultant is perpendicular to P. Then________?

Q = R

None of the above is correct

P = Q

P = R

31 / 50

Rigidity factor for a tyre pressure greater than 7 kg/cm2 is______?

greater than 1

equal to 1

less than 1

zero

32 / 50

Number offish bolts per fish plate is_______?

33 / 50

As compared to gravity dams, earthen dams_________?

require less skilled labour

are costlier

require sound rock foundations

are less susceptible to failure

34 / 50

The type of surveying which requires least office work is_______?

theodolite surveying

tacheomefry

plane table surveying

trigonometrical levelling

35 / 50

The total and effective stresses at a depth of 5 m below the top level of water in a swimming pool are respectively_________?

zero and zero

0.5 kg/cm2 and zero

1.0 kg/cm2 and 0.5 kg/cm2

0.5 kg/cm2 and 0.5 kg/cm2

36 / 50

If the design speed is V kmph and deviation angle is N radians, then the total length of a valley curve in meters is given by the expression________?

0.38 N V3/2

3.8 (NV3)?2

0.38 (NV3)?2

3.8 NV?2

37 / 50

A steel rod of sectional area 250 sq. mm connects two parallel walls 5 m apart. The nuts at the ends were tightened when the rod was heated to 100? If steel = 0.000012/C?, Esteel = 0.2 MN/mm2, the tensile force developed at a temperature of 50?C, is________?

100 N/mm 2

150 N/mm2

120 N/mm2

80 N/mm2

38 / 50

Pick up the correct statement from the following?

Polarising angle of glass is 57.5?

At the polarising angle, the reflected and refracted rays are orthogonal

The minimum frequency of light for which no electrons are emitted, is called threshold frequency

All

39 / 50

The factor of safety for_____?

steel is lower than that for concrete

steel and concrete are same

none of the above

steel is higher than that for concrete

40 / 50

foundation is assumed as The weight of a_____________?

10% of wall weight

5% of wall weight

12% of wall weight

7% of wall weight

41 / 50

In symmetrically reinforced sections, shrinkage stresses in concrete and steel are respectively______?

compressive and tensile

tensile and compressive

both tensile

both compressive

42 / 50

The difference between gross diameter and nominal diameter for the rivets up to 25 mm diameter is_________?

2.5 mm

1.5 mm

2.0 mm

1.0 mm

43 / 50

A particle is dropped from a height of 3 m on a horizontal floor, which has a coefficient of restitution with the ball of 1/2. The height to which the ball will rebound after striking the floor is___________?

0.5 m

0.75 m

1.5 m

1.0 m

44 / 50

Pick up the incorrect statement from the following?

Sludge digestion is carried out in sludge tank

The process of decomposing the organic matter under controlled anaerobic conditions, is called sludge digestion

The gases produced in sludge digestion process, contain 75% carbon dioxide

The gases produced in sludge digestion process, contain 75% methane

45 / 50

The function of an expansion joint in rigid pavements is to_____?

relieve warping stresses

resist stresses due to expansion

allow free expansion

relieve shrinkage stresses

46 / 50

Separation of flow occurs when________?

the cross-section of a channel is reduced

the boundary layer comes to rest

the pressure intensity reaches a minimum

all of the above

47 / 50

For normal sludge, the value of sludge index for Indian conditions is_______?

350 to 500

50 to 150

150 to 350

0 to 50

48 / 50

Pick up the correct statement in case of water supply ?

Pipes are classified according to their sizes and quality

Cutting through walls and floors are included with the item

Pipes laid in trenches and pipes fixed to walls are measured separately

All

49 / 50

Surge tanks are used______?

for storage water

to guard against water hammer

as overflow valves

to increase the velocity in a pipeline

50 / 50

Which of the following is the purest form of iron ?

cast iron

mild steel

wrought iron

high carbon steel

Provide Your Information

NameEmailPhone Number

Your score is

The average score is 0%