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Civil Quiz 17
Graded aggregate contains particles of size:
4.75mm
Multi grade
<80mm
Single grade
The pipe diameter is
inversely proportional to mass flow rate
directly proportional to fluid density
directly proportional to fluid velocity
directly proportional to mass flow rate
Refractory bricks resist
all of the above
action of frost
high temperature
chemical action
The atmospheric pressure with rise in altitude decreases
First slowly and then steeply
First steeply and then gradually
Unpredictable
Linearly
Which among the following is the correct formula for drag?
D = 0.5 * r * V
D = Cd * A * 0.5 * r * V2
D = Cd * A * 0.5 * r * V/2
D = Cd * A * 0.5 * r * V*2
Which of the following categories are included into ISO 14000 standards?
Environmental Auditing
Environmental Management System
All of the above
Environmental Performance Evaluation
Organisational decisions are made by ------
Managing directors
Directors
Managers
None of these
When the plastic limit is equal to or greater than the liquid limit, then the plasticity index is
zero
negative
one
more than one
The sequence of refractory materials according to increasing melting points is:
Bauxite, Chromites, Dolomite, Magnesia
None of these
Dolomite, Magnesia, Bauxite, Chromites
Magnesia, Bauxite, Dolomite, Chromites
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?
27.9 cm
30.14 cm
25 cm
26.19cm
is the additional flow occurring during rainy season.
dry weather flow
rapidly varied flow
storm water flow
gradually varied flow
The beam having one end free and one end fixed is called as
Overhang beam
Simply supported beam
Continuous beam
Cantilever beam
According to Indian standards, in a 2 mm sieve
each hole is a square and its side is 2 mm
there are two holes per cm length of the mesh
each sieve is circular and its diameter is 2 mm
there are two holes
our effect on the environment _____ a combination of what we consume and the waste we produce.
Ecological history
Ecological fingerprint
Ecological image
Ecological footprint
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)
only (iii)
both (i) and (iv)
both (ii) and (iii)
how many types of landfills are there?
4
5
3
2
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
Maximum fluid flow
Total liquid displaced
Overall performance of pump
Minimum fluid flow View Answer
Which type of pump is used while handling the sludge disposal system?
screw pump
vertical pump
self-priming pump
multistage pump
Escapes are also known as
regulators
None of the above
outlet
safety valves
Wear of impeller can be worsened by
Pump pressure
Draft tube
Turbine head View Answer
Suspended solenoids
The unit bearing capacity of footing in sand
increases with width of footing
decreases with depth of footing
decreses with width of footing
increases with depth of footing
The theodolite is an instrument used for measuring very accurately
linear measurements
horizontal and vertical angles
horizontal angles only
vertical angles only
What is the minimum amount of DO required for the life survival of aquatic animals?
1 mg/l
5 mg/l
10 mg/l
2 mg/l
Bucket ladder dredger is suitable for _______ .
soft soil
all of the above
sand
hard clay
The axis of telescope level must be
Both A and B
parallel
perpendicular
None of the above
According to Khosla's theory, the exit gradient in the absence of a downstream cut-off is
none of these
unity
zero
infinity
Box caissons are used when depth of water is _______
6 to 10 m
10 to 12 m
6 to 8 m
4 to 6 m
Anticorrosive paint is ___________ in color
Black
Blue
Yellow
White
The cross-sectional area of the embankment of a canal fully in embankment in the given figure is
½ ( + ) h
( + ) + 2sh²
( + ) h + sb²
2 [( + ) (b + sh²)]