Quiz: Civil Quiz 92

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:

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

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