Quiz: Civil Quiz 37

Civil Quiz 37

Which one of the following attributes is not associated with digital maps

colour

legends

symbology

south arrow

The velocity of sound in bricks is __________

343 m/sec

1450 m/sec

4300 m/sec

3000 m/sec

The fire demand of a city may be worked out by

Freeman formula

Under Writers formula

All the above

Kuichling's formula

The intrados of the flat arch is horizontal but the extrados has a straight camber or upward curvature.

None of the above

Both A and B

Yes

is available and accessed by virtue of privilege.

collective information

privileged information

confidential information

proprietary information

The type of boring, used for making deep excavations is

rotary boring

percussion boring

wash boring

cylindrical augers

Which of the following techniques are for statistical process control.

Scatter diagram

All of the above

Check list

Pareto diagram

A deep well

is weaker structurally than a shallow well

has more discharge than a shallow well

both (a) and (b)

is always deeper than a shallow well

The shearing force acting along the slice of a curved surface of slippage, causes the soil to slide

Down at the toe

None of these

Down at the centre

Upward at the centre

Centrifugal pump works by imparting

Heat energy

Potential energy

Electrical energy View Answer

Kinetic energy

Hard water for public water supply is discarded because

It contains pathogenic bacterias

It contains lot of turbidity

) It consumes more soap

It possesses bad taste and odour

The main purpose of welding rails is to

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

build up the worn - out parts of points and crossings

build up the battered or worn heads of rail ends

What is the horizontal velocity considered for grit chamber?

3-4m/sec

1-2 m/sec

0.25-0.4m/sec

0.6-0.9 m/sec

Negative skin friction on piles

All of the above

Is caused in soft clays

Decreases the pile capacity

Is caused due to relative settlement of the soil

______________ is not a process tools for TQM systems.

Histograms

Process flow analysis

Plier

Control charts

Stone grits used for 1st coat and 2nd surface painting may be precoated in advance with advance with bitumen.

TRUE

None of the above

FALSE

Both A and B

The fluoride concentration for prevention of dental caries is ____________

2mg/l

3mg/l

4mg/l

1mg/l

With the increase in the flow rate, efficiency

Independent View Answer

Decreases

Remains same

Increases

Young?s modulus of a material which gives 2 kN/mm2 stress at 0.01 strain is

0.02kN/mm2

20kN/mm2

2000kN/mm2

200 kN/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 1.8 times its mean dimension

its length is equal to its mean dimension

The angle of internal friction of soil mass is the angle whose

None of these

Sine is equal to the ratio ofthe maximum resistance to sliding on any internal inclined plane to the normal pressure acting on the plane

Tangent is equal to the rate of the maximum resistance to sliding on any internal inclined plane to the normal pressure acting on theplane

Cosine is equal to the ratio of themaximum resistance sliding on any internal inclined plane to the normal pressure acting on the plane

The acceleration of a particle moving with simple harmonic motion is proportional to the displacement of the particle from the mean position.

Both A and B

TRUE

FALSE

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

Hyperbolic law

Parabolic law

Linear 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

jacking

shoring

Pressure relief valves are provided in water mains

To reduce the pressure

At low points

All the above

Upstream of sluice

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

Clay

Mud

Organic matter

Silica

Which of the following sand type is excellent for use in mortar and concrete work?

River sand

Sea sand

Clayey sand

Pit sand

When is strong basic anion not necessary?

sulphate is nil

silica is nil

fluroine is nil

co2 is nil