Quiz: Civil Quiz 96

Civil Quiz 96

The sleeper density on main lines is

Both A and B

decreased

None of the above

increased

What is the monthly concentration of solids produced by secondary sewage effluent?

30 mg/l

20 mg/l

40 mg/l

35 mg/l

The cement concrete, from which entrained air and excess water are removed after placing it in position, is called

light weight concrete

sawdust concrete

vacuum concrete

prestressed concrete

The formation of vapour cavities is called

Static pressure drop

Emulsion

Cavitation

Isentropic expansion

The specific gravity of quartz, is

2.9

2.65

2.72

2.85

White washing is done during________

Major repair

Day to day repair

Annual repair

Special repair

The formation width for a double line Broad Gauge track in cutting (excluding drains) as adopted on Indian Railways is

10.82 m

6.10 m

10.21 m

8.84 m

Odours and tastes may result due to the prsence of

micro-organisms either dead or alive

dissolved gases such as oxygen, carbon dioxide, methane etc.

all of the above

mineral substances such as sodium chloride, iron compounds etc.

For a column of height fixed in position and direction both at its top and bottom, its effective length, is

½ l

The discharge of regulated chemicals into surface waters is controlled by

npdes

cercla

pdac

sara

Pick up the incorrect statement from the following. The intensity of horizontal shear stress at the elemental part of a beam section, is directly proportional to

Distance of the C.G. of the area from its neutralaxis

Moment of the beam section about its neutral axis

Shear force

Area of the section

The extra width of pavement is provided on

super elevation

width of pavement

length of pavement

horizontal curve

Modulus of rigidity is defined as the ratio of

longitudinal stress and longitudinal strain

lateral stress and lateral strain

shear stress and shear strain

volumetric stress and volumetric strain

Inspiring people to be high performer is called:

Leading

Controlling

Organizing

Planning

Which of the following is not a part of the prismatic compass?

Jewel bearing

Prism cap

Brake pin

Agate cap

Why plate girder is preferred over truss girder?

cost of fabrication of plate girder is high

cost of fabrication of truss girder is high

plate girder requires costly maintenance

higher vertical clearance required for plate girder than truss girder

The efficiency of power transmission through pipe is (where H = Total supply head, and hf = Head lost due to friction in the pipe)

(H - hf )/H

(H + hf )/H

H/(H - hf )

H/(H + hf )

Bottom dump trucks are used for _______ .

all of the above

where material stored under ground

in food processing unit

spread the material in wide area

The minimum & maximum rate of air change is 60 per hour.

1, 30

none of these

30, 60

1, 60

The first step in the planning process is to

None of above

Determine strength and weaknesses

Set an objective

Evaluate alternatives

The natural process in which the oxygen of water of streams is consumed by sewage and at the same time, it is replenished (filled again) by the atmosphere, is known as

deoxidation

oxidation

sedimentation

self purification

The rail section is divided on the basis of

type of rails

spacing of sleepers

speed of trains

gauge of the track

Sensitivity of a soil can be defined as

Percentage of volume change of soil under saturated condition

Ratio of volume of voids to volume of solids

None of the above

Ratio of compressive strength of unconfined undisturbed soil to that of soil in a remoulded state

According to Newton's law of viscosity, the shear stress on a layer of a fluid is __________ to the rate of shear strain.

Equal to

None of these

Directly proportional

Inversely proportional

The angle of the inclined plane at which a body just begins to slide down the plane, is called helix angle.

FALSE

TRUE

None of the above

Both A and B

Expanded metal is

Measured in term of SWM (short way mesh) and LWM (long way mesh)

Manufactured from steel sheets

Used for reinforced concrete in road pavements

All the above

Primary treatment of sewage consists of removal of

large suspended organic solids

floating materials

oil and grease

sandand grit

Pre-chlorination

all of these

improves coagulation

reduces tastes

reduces odours

e-commerce does not include

A business?s interactions with its suppliers

Interactions among the geographically dispersed units of the business

Interactions among the various departments within the business

A business?s interactions with its customers

The ratio of the maximum daily consumption to the average daily demand, is

1.4

1.8

1.2