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Civil Quiz 17
Graded aggregate contains particles of size:
4.75mm
Multi grade
Single grade
<80mm
The pipe diameter is
inversely proportional to mass flow rate
directly proportional to fluid density
directly proportional to mass flow rate
directly proportional to fluid velocity
Refractory bricks resist
chemical action
action of frost
all of the above
high temperature
The atmospheric pressure with rise in altitude decreases
Linearly
Unpredictable
First slowly and then steeply
First steeply and then gradually
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?
All of the above
Environmental Auditing
Environmental Performance Evaluation
Environmental Management System
Organisational decisions are made by ------
Directors
Managing directors
Managers
None of these
When the plastic limit is equal to or greater than the liquid limit, then the plasticity index is
more than one
zero
negative
one
The sequence of refractory materials according to increasing melting points is:
Magnesia, Bauxite, Dolomite, Chromites
Bauxite, Chromites, Dolomite, Magnesia
Dolomite, Magnesia, Bauxite, 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
20
25
10
15
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
27.9 cm
30.14 cm
is the additional flow occurring during rainy season.
dry weather flow
gradually varied flow
rapidly varied flow
storm water flow
The beam having one end free and one end fixed is called as
Simply supported beam
Overhang beam
Continuous beam
Cantilever beam
According to Indian standards, in a 2 mm sieve
each sieve is circular and its diameter is 2 mm
there are two holes per cm length of the mesh
there are two holes
each hole is a square and its side is 2 mm
our effect on the environment _____ a combination of what we consume and the waste we produce.
Ecological image
Ecological fingerprint
Ecological footprint
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
both (i) and (iv)
only (i)
both (ii) and (iii)
only (iii)
how many types of landfills are there?
3
5
2
4
The value of ruling gradient in hills, as recommended by Indian Roads Congress, is
1 in 10
1 in 20
1 in 40
1 in 30
Capacity of a rotary pump is defined as
Total liquid displaced
Maximum fluid flow
Minimum fluid flow View Answer
Overall performance of pump
Which type of pump is used while handling the sludge disposal system?
self-priming pump
multistage pump
vertical pump
screw pump
Escapes are also known as
safety valves
outlet
regulators
None of the above
Wear of impeller can be worsened by
Turbine head View Answer
Draft tube
Pump pressure
Suspended solenoids
The unit bearing capacity of footing in sand
increases with depth of footing
decreases with depth of footing
decreses with width of footing
increases with width of footing
The theodolite is an instrument used for measuring very accurately
linear measurements
vertical angles only
horizontal and vertical angles
horizontal angles only
What is the minimum amount of DO required for the life survival of aquatic animals?
1 mg/l
2 mg/l
5 mg/l
10 mg/l
Bucket ladder dredger is suitable for _______ .
soft soil
sand
all of the above
hard clay
The axis of telescope level must be
parallel
Both A and B
None of the above
perpendicular
According to Khosla's theory, the exit gradient in the absence of a downstream cut-off is
zero
infinity
unity
none of these
Box caissons are used when depth of water is _______
6 to 8 m
6 to 10 m
4 to 6 m
10 to 12 m
Anticorrosive paint is ___________ in color
White
Blue
Black
Yellow
The cross-sectional area of the embankment of a canal fully in embankment in the given figure is
( + ) h + sb²
½ ( + ) h
2 [( + ) (b + sh²)]
( + ) + 2sh²