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Civil Quiz 17
Graded aggregate contains particles of size:
Single grade
4.75mm
Multi grade
<80mm
The pipe diameter is
directly proportional to fluid density
directly proportional to mass flow rate
inversely proportional to mass flow rate
directly proportional to fluid velocity
Refractory bricks resist
high temperature
chemical action
action of frost
all of the above
The atmospheric pressure with rise in altitude decreases
Linearly
First slowly and then steeply
First steeply and then gradually
Unpredictable
Which among the following is the correct formula for drag?
D = Cd * A * 0.5 * r * V2
D = Cd * A * 0.5 * r * V*2
D = Cd * A * 0.5 * r * V/2
D = 0.5 * r * V
Which of the following categories are included into ISO 14000 standards?
Environmental Management System
Environmental Auditing
Environmental Performance Evaluation
All of the above
Organisational decisions are made by ------
Directors
Managers
Managing directors
None of these
When the plastic limit is equal to or greater than the liquid limit, then the plasticity index is
negative
zero
one
more than one
The sequence of refractory materials according to increasing melting points is:
Dolomite, Magnesia, Bauxite, Chromites
Bauxite, Chromites, Dolomite, Magnesia
Magnesia, Bauxite, Dolomite, Chromites
None of these
For the design of a simply supported T-beam the ratio of the effective span to the overall depth of the beam is limited to
10
15
20
25
The safe stress for a hollow steel column which carries an axial load of 2100 kN is 125 MN/m2. if the external diameter of the column is 30cm, what will be the internal diameter?
25 cm
26.19cm
30.14 cm
27.9 cm
is the additional flow occurring during rainy season.
gradually varied flow
rapidly varied flow
dry weather flow
storm water flow
The beam having one end free and one end fixed is called as
Cantilever beam
Continuous beam
Overhang beam
Simply supported beam
According to Indian standards, in a 2 mm sieve
there are two holes
each sieve is circular and its diameter is 2 mm
each hole is a square and its side is 2 mm
there are two holes per cm length of the mesh
our effect on the environment _____ a combination of what we consume and the waste we produce.
Ecological fingerprint
Ecological footprint
Ecological image
Ecological history
If altitude bubble is provided both on index frame as well as on telescope of a theodolite, then the instrument is levelled with reference to i) altitude bubble on index frame ii) altitude bubble on index frame if it is to be used as a level iii) altitude
only (i)
both (i) and (iv)
only (iii)
both (ii) and (iii)
how many types of landfills are there?
3
2
5
4
The value of ruling gradient in hills, as recommended by Indian Roads Congress, is
1 in 10
1 in 20
1 in 30
1 in 40
Capacity of a rotary pump is defined as
Total liquid displaced
Overall performance of pump
Maximum fluid flow
Minimum fluid flow View Answer
Which type of pump is used while handling the sludge disposal system?
screw pump
multistage pump
self-priming pump
vertical pump
Escapes are also known as
outlet
safety valves
regulators
None of the above
Wear of impeller can be worsened by
Draft tube
Pump pressure
Suspended solenoids
Turbine head View Answer
The unit bearing capacity of footing in sand
decreases with depth of footing
decreses with width of footing
increases with depth of footing
increases with width of footing
The theodolite is an instrument used for measuring very accurately
horizontal angles only
vertical angles only
horizontal and vertical angles
linear measurements
What is the minimum amount of DO required for the life survival of aquatic animals?
10 mg/l
5 mg/l
2 mg/l
1 mg/l
Bucket ladder dredger is suitable for _______ .
soft soil
sand
hard clay
all of the above
The axis of telescope level must be
parallel
perpendicular
Both A and B
None of the above
According to Khosla's theory, the exit gradient in the absence of a downstream cut-off is
zero
unity
infinity
none of these
Box caissons are used when depth of water is _______
6 to 10 m
6 to 8 m
4 to 6 m
10 to 12 m
Anticorrosive paint is ___________ in color
Blue
White
Black
Yellow
The cross-sectional area of the embankment of a canal fully in embankment in the given figure is
½ ( + ) h
( + ) h + sb²
( + ) + 2sh²
2 [( + ) (b + sh²)]
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