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Civil Quiz 37
Which one of the following attributes is not associated with digital maps
colour
symbology
legends
south arrow
The velocity of sound in bricks is __________
1450 m/sec
343 m/sec
3000 m/sec
4300 m/sec
The fire demand of a city may be worked out by
Kuichling's formula
Freeman formula
Under Writers formula
All the above
The intrados of the flat arch is horizontal but the extrados has a straight camber or upward curvature.
Yes
No
Both A and B
None of the above
is available and accessed by virtue of privilege.
privileged information
proprietary information
confidential information
collective information
The type of boring, used for making deep excavations is
cylindrical augers
percussion boring
rotary boring
wash boring
Which of the following techniques are for statistical process control.
Check list
Scatter diagram
Pareto diagram
All of the above
A deep well
is always deeper than a shallow well
has more discharge than a shallow well
is weaker structurally than a shallow well
both (a) and (b)
The shearing force acting along the slice of a curved surface of slippage, causes the soil to slide
Down at the centre
Down at the toe
Upward at the centre
None of these
Centrifugal pump works by imparting
Potential energy
Kinetic energy
Heat energy
Electrical energy View Answer
Hard water for public water supply is discarded because
) It consumes more soap
It contains lot of turbidity
It contains pathogenic bacterias
It possesses bad taste and odour
The main purpose of welding rails is to
build up the worn - out parts of points and crossings
build up the battered or worn heads of rail ends
to rebuild those portions of rail ends, which re burnt due to slipping of wheels at the time of applying brakes
all of the above
What is the horizontal velocity considered for grit chamber?
0.25-0.4m/sec
0.6-0.9 m/sec
1-2 m/sec
3-4m/sec
Negative skin friction on piles
Is caused due to relative settlement of the soil
Is caused in soft clays
Decreases the pile capacity
All of the above
______________ is not a process tools for TQM systems.
Process flow analysis
Histograms
Plier
Control charts
Stone grits used for 1st coat and 2nd surface painting may be precoated in advance with advance with bitumen.
TRUE
FALSE
Both A and B
None of the above
The fluoride concentration for prevention of dental caries is ____________
1mg/l
2mg/l
3mg/l
4mg/l
With the increase in the flow rate, efficiency
Decreases
Increases
Remains same
Independent View Answer
Young?s modulus of a material which gives 2 kN/mm2 stress at 0.01 strain is
20kN/mm2
0.02kN/mm2
200 kN/mm2
2000kN/mm2
The aggregate is said to be flaky when
its least dimension is three-fifth of its mean dimension
its least dimension is equal to its mean dimension
its length is equal to its mean dimension
its length is equal to 1.8 times its mean dimension
The angle of internal friction of soil mass is the angle whose
Tangent is equal to the rate of the maximum resistance to sliding on any internal inclined plane to the normal pressure acting on theplane
Sine is equal to the ratio ofthe maximum resistance to sliding on any internal inclined plane to the normal pressure acting on the plane
Cosine is equal to the ratio of themaximum resistance sliding on any internal inclined plane to the normal pressure acting on the plane
None of these
The acceleration of a particle moving with simple harmonic motion is proportional to the displacement of the particle from the mean position.
TRUE
FALSE
Both A and B
None of the above
In turbulent flow the velocity distribution is a function of the distance y measured from the boundary surface and shear friction velocity uf, and follows a
Linear law
Hyperbolic law
Parabolic law
Logarithmic law.
Which factors affect the workability of concrete?
water concrete
mix proportions
shape of aggregate
all of the above
The arrangement of supports provided underneath the existing structure without disturbing its stability, is known as
underpinning
scaffolding
shoring
jacking
Pressure relief valves are provided in water mains
To reduce the pressure
At low points
Upstream of sluice
All the above
Class-3 roads are designed to carry jeeps.
TRUE
FALSE
Both A and B
None of the above
Standard unit of turbidity of water is in one litre of distilled water, one milligram of finely divided
Silica
Mud
Clay
Organic matter
Which of the following sand type is excellent for use in mortar and concrete work?
Sea sand
Clayey sand
Pit sand
River sand
When is strong basic anion not necessary?
silica is nil
co2 is nil
fluroine is nil
sulphate is nil
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