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