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Civil Quiz 96
The sleeper density on main lines is
decreased
increased
Both A and B
None of the above
What is the monthly concentration of solids produced by secondary sewage effluent?
20 mg/l
30 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
vacuum concrete
light weight concrete
prestressed concrete
sawdust concrete
The formation of vapour cavities is called
Static pressure drop
Cavitation
Isentropic expansion
Emulsion
The specific gravity of quartz, is
2.65
2.72
2.85
2.9
White washing is done during________
Annual repair
Day to day repair
Special repair
Major repair
The formation width for a double line Broad Gauge track in cutting (excluding drains) as adopted on Indian Railways is
6.10 m
8.84 m
10.21 m
10.82 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.
mineral substances such as sodium chloride, iron compounds etc.
all of the above
For a column of height fixed in position and direction both at its top and bottom, its effective length, is
l
l
½ l
2l
The discharge of regulated chemicals into surface waters is controlled by
sara
cercla
npdes
pdac
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
Shear force
Area of the section
Distance of the C.G. of the area from its neutralaxis
Moment of the beam section about its neutral axis
The extra width of pavement is provided on
horizontal curve
width of pavement
length of pavement
super elevation
Modulus of rigidity is defined as the ratio of
longitudinal stress and longitudinal strain
volumetric stress and volumetric strain
lateral stress and lateral strain
shear stress and shear strain
Inspiring people to be high performer is called:
Controlling
Leading
Planning
Organizing
Which of the following is not a part of the prismatic compass?
Agate cap
Prism cap
Brake pin
Jewel bearing
Why plate girder is preferred over truss girder?
plate girder requires costly maintenance
higher vertical clearance required for plate girder than truss girder
cost of fabrication of plate girder is high
cost of fabrication of truss girder is high
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/(H - hf )
(H + hf )/H
H/(H + hf )
Bottom dump trucks are used for _______ .
spread the material in wide area
in food processing unit
where material stored under ground
all of the above
The minimum & maximum rate of air change is 60 per hour.
1, 30
30, 60
1, 60
none of these
The first step in the planning process is to
Set an objective
Evaluate alternatives
Determine strength and weaknesses
None of above
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
oxidation
deoxidation
self purification
sedimentation
The rail section is divided on the basis of
type of rails
spacing of sleepers
gauge of the track
speed of trains
Sensitivity of a soil can be defined as
Percentage of volume change of soil under saturated condition
Ratio of compressive strength of unconfined undisturbed soil to that of soil in a remoulded state
Ratio of volume of voids to volume of solids
None of the above
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
Directly proportional
Inversely proportional
None of these
The angle of the inclined plane at which a body just begins to slide down the plane, is called helix angle.
TRUE
FALSE
Both A and B
None of the above
Expanded metal is
Manufactured from steel sheets
Used for reinforced concrete in road pavements
Measured in term of SWM (short way mesh) and LWM (long way mesh)
All the above
Primary treatment of sewage consists of removal of
large suspended organic solids
oil and grease
sandand grit
floating materials
Pre-chlorination
improves coagulation
reduces odours
reduces tastes
all of these
e-commerce does not include
A business?s interactions with its customers
Interactions among the various departments within the business
A business?s interactions with its suppliers
Interactions among the geographically dispersed units of the business
The ratio of the maximum daily consumption to the average daily demand, is
1
1.2
1.4
1.8
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