Quiz: Civil Quiz 92

Civil Quiz 92

A gear pump uses

Froth pumps

Petrochemical pumps

Airlift pumps View Answer

Meshing of gears

52 kg rails are mostly used in

Metre Gauge

Both (A) and (B)

Broad Gauge

Narrow Gauge

Exogenous trees are further divided into:

The filling in cavities with cement slurry is known as

gunniting

grouting

beam-filling

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/h

ap = zreqr + zbeam/a

ap = zreqr - zbeam/h

Ethics & Law overlap. This is called_____

white area

grey area

black area

yellow 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 357

1 in 257

1 in 512

1 in 457

Negative skin friction on piles

Decreases the pile capacity

All of the above

Is caused in soft clays

Is caused due to relative settlement of the soil

The centre of percussion is below the centre of gravity of the body and is at a distance equal to

k2G / h

h x kG

h2 / kG

h / kG

Failure of the stability of slopes, generally occurs along

Slip plane

All the surfaces

A horizontal surface

A curved surface

For rivets in tension with countersunk heads, the tensile value shall be

reduced by 33.3%

reduced by 25 %

increased by 25 %

increased by 33.3 %

In case of timber structures, the form factor for solid circular cross-section is taken as

1.81

1.414

1.18

1.67

Which among the following is not a loss that is developed in the pipe?

Connection between two pipes

Entry

Liquid velocity View Answer

Exit

The moment of inertia of a rectangular section 3cm wide and 4cm deep about X-X axis is

16 cm4

12 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 235

1 in 275

1 in 250

1 in 222

The sequence of refractory materials according to increasing melting points is:

Magnesia, Bauxite, Dolomite, Chromites

None of these

Dolomite, Magnesia, Bauxite, Chromites

Bauxite, Chromites, Dolomite, Magnesia

The process of proper and accurate measurement of all concrete materials for uniformity of proportions and aggregate grading is called

mixing

batching

grading

proportioning

The levers for

None of the above

points

crossing gate

stop signal

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

1000 kg

900 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

Cannot be ascertained from data

A to B

B to A

None of the above

The plastic state of stress was proposed by

rankine

mohr

darcy

coulomb

Poisson's ratio of steel is

0.1

0.3

The maximum bearing capacity of soil is that of

dry, coarse sandy soil

fine sandy soil

black cotton soil

hard rocks

Which of the following statements is in-correct ?

Tilting levels are commonly used for precision work.

The last reading of levelling is always a foresight.

Error due to refraction may not be completely eliminated by reciprocal levelling.

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.

TRUE

Both A and B

FALSE

None of the above

The standard width of ballast for broad gauge track on Indian railways, is

2.9 m

5.53 m

3.35 m

2.3 m

Gypsum is a

Chemically precipitated sedimentary rock

Metamorphic rock

Mechanically formed sedimentary rock

Igneous rock

Which is not a part of the hoe?

hoist cable

boom

cutting wheel

dipper

A very comfortable type of stairs is

Dog legged

Geometrical

Open newel

Straight

Where is the turbine not used?

Gas plant

Windmill

Solar power

Water wheels