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Civil Quiz 92
A gear pump uses
Froth pumps
Meshing of gears
Airlift pumps View Answer
Petrochemical pumps
52 kg rails are mostly used in
Narrow Gauge
Both (A) and (B)
Broad Gauge
Metre Gauge
Exogenous trees are further divided into:
4
2
5
3
The filling in cavities with cement slurry is known as
beam-filling
grouting
gunniting
coping
The area Ap of cover plates in one flange of a built up beam, is given by
ap = zreqr × zbeam/h
ap = zreqr + zbeam/a
ap = zreqr - zbeam/h
ap = zreqr + zbeam/h
Ethics & Law overlap. This is called_____
yellow area
grey area
white area
black area
In a B.G. railway track, the specified ruling gradient is 1 in 250. The horizontal curve of 3_____ on a gradient of 1 in 250 will have the permissible gradient of
1 in 457
1 in 257
1 in 357
1 in 512
Negative skin friction on piles
Decreases the pile capacity
All of the above
Is caused due to relative settlement of the soil
Is caused in soft clays
The centre of percussion is below the centre of gravity of the body and is at a distance equal to
h2 / kG
h x kG
k2G / h
h / kG
Failure of the stability of slopes, generally occurs along
A curved surface
A horizontal surface
All the surfaces
Slip plane
For rivets in tension with countersunk heads, the tensile value shall be
increased by 25 %
reduced by 33.3%
reduced by 25 %
increased by 33.3 %
In case of timber structures, the form factor for solid circular cross-section is taken as
1.81
1.18
1.414
1.67
Which among the following is not a loss that is developed in the pipe?
Exit
Connection between two pipes
Entry
Liquid velocity View Answer
The moment of inertia of a rectangular section 3cm wide and 4cm deep about X-X axis is
20 cm4
16 cm4
12 cm4
9 cm4
The steepest gradient permissible on a 2.5_____ curve for Broad Gauge line having ruling gradient of 1 in 200 is
1 in 250
1 in 222
1 in 275
1 in 235
The sequence of refractory materials according to increasing melting points is:
Dolomite, Magnesia, Bauxite, Chromites
Bauxite, Chromites, Dolomite, Magnesia
None of these
Magnesia, Bauxite, Dolomite, Chromites
The process of proper and accurate measurement of all concrete materials for uniformity of proportions and aggregate grading is called
grading
batching
proportioning
mixing
The levers for
None of the above
stop signal
points
crossing gate
If the gross vehicle weight of a truck is 30 tonne and rolling resistance is 30 kg/tonne, then the tractive effort required to keep the truck moving at a uniform speed is
30 kg
1000 kg
300 kg
900 kg
At point A in a pipe line carrying water the diameter is 1 m, the pressure 98 kPa and the velocity 1 m/s. At point B, 2 m higher than A, the diameter is 0.5 m and the pressure 20 kPa. The direction of flow would be
None of the above
B to A
A to B
Cannot be ascertained from data
The plastic state of stress was proposed by
mohr
coulomb
rankine
darcy
Poisson's ratio of steel is
0.1
0.3
2
1
The maximum bearing capacity of soil is that of
fine sandy soil
hard rocks
black cotton soil
dry, coarse sandy soil
Which of the following statements is in-correct ?
The last reading of levelling is always a foresight.
Error due to refraction may not be completely eliminated by reciprocal levelling.
Tilting levels are commonly used for precision work.
All of the above statements are incorrect.
When a body is placed over a liquid, it is subjected to gravitational force and upthrust of the liquid.
FALSE
Both A and B
None of the above
TRUE
The standard width of ballast for broad gauge track on Indian railways, is
2.3 m
2.9 m
5.53 m
3.35 m
Gypsum is a
Metamorphic rock
Mechanically formed sedimentary rock
Chemically precipitated sedimentary rock
Igneous rock
Which is not a part of the hoe?
cutting wheel
hoist cable
boom
dipper
A very comfortable type of stairs is
Open newel
Straight
Geometrical
Dog legged
Where is the turbine not used?
Water wheels
Solar power
Gas plant
Windmill