Quiz: Civil Quiz 17

Civil Quiz 17

Graded aggregate contains particles of size:

Multi grade

<80mm

Single grade

4.75mm

The pipe diameter is

inversely proportional to mass flow rate

directly proportional to fluid velocity

directly proportional to fluid density

directly proportional to mass flow rate

Refractory bricks resist

high temperature

all of the above

action of frost

chemical action

The atmospheric pressure with rise in altitude decreases

Unpredictable

First steeply and then gradually

First slowly and then steeply

Linearly

Which among the following is the correct formula for drag?

D = Cd * A * 0.5 * r * V/2

D = Cd * A * 0.5 * r * V2

D = Cd * A * 0.5 * r * V*2

D = 0.5 * r * V

Which of the following categories are included into ISO 14000 standards?

Environmental Auditing

All of the above

Environmental Performance Evaluation

Environmental Management System

Organisational decisions are made by ------

Directors

Managers

Managing directors

None of these

When the plastic limit is equal to or greater than the liquid limit, then the plasticity index is

zero

more than one

negative

one

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

Magnesia, Bauxite, Dolomite, Chromites

None of these

Bauxite, Chromites, Dolomite, Magnesia

Dolomite, Magnesia, Bauxite, Chromites

For the design of a simply supported T-beam the ratio of the effective span to the overall depth of the beam is limited to

The safe stress for a hollow steel column which carries an axial load of 2100 kN is 125 MN/m2. if the external diameter of the column is 30cm, what will be the internal diameter?

26.19cm

25 cm

27.9 cm

30.14 cm

is the additional flow occurring during rainy season.

storm water flow

gradually varied flow

dry weather flow

rapidly varied flow

The beam having one end free and one end fixed is called as

Simply supported beam

Overhang beam

Continuous beam

Cantilever beam

According to Indian standards, in a 2 mm sieve

there are two holes

each sieve is circular and its diameter is 2 mm

there are two holes per cm length of the mesh

each hole is a square and its side is 2 mm

our effect on the environment _____ a combination of what we consume and the waste we produce.

Ecological history

Ecological image

Ecological fingerprint

Ecological footprint

If altitude bubble is provided both on index frame as well as on telescope of a theodolite, then the instrument is levelled with reference to i) altitude bubble on index frame ii) altitude bubble on index frame if it is to be used as a level iii) altitude

only (iii)

only (i)

both (i) and (iv)

both (ii) and (iii)

how many types of landfills are there?

The value of ruling gradient in hills, as recommended by Indian Roads Congress, is

1 in 30

1 in 10

1 in 20

1 in 40

Capacity of a rotary pump is defined as

Maximum fluid flow

Overall performance of pump

Total liquid displaced

Minimum fluid flow View Answer

Which type of pump is used while handling the sludge disposal system?

self-priming pump

vertical pump

multistage pump

screw pump

Escapes are also known as

safety valves

regulators

outlet

None of the above

Wear of impeller can be worsened by

Draft tube

Turbine head View Answer

Pump pressure

Suspended solenoids

The unit bearing capacity of footing in sand

decreases with depth of footing

decreses with width of footing

increases with depth of footing

increases with width of footing

The theodolite is an instrument used for measuring very accurately

horizontal angles only

horizontal and vertical angles

vertical angles only

linear measurements

What is the minimum amount of DO required for the life survival of aquatic animals?

5 mg/l

2 mg/l

10 mg/l

1 mg/l

Bucket ladder dredger is suitable for _______ .

hard clay

soft soil

all of the above

sand

The axis of telescope level must be

None of the above

parallel

perpendicular

Both A and B

According to Khosla's theory, the exit gradient in the absence of a downstream cut-off is

infinity

zero

none of these

unity

Box caissons are used when depth of water is _______

6 to 10 m

4 to 6 m

6 to 8 m

10 to 12 m

Anticorrosive paint is ___________ in color

Black

Yellow

White

Blue

The cross-sectional area of the embankment of a canal fully in embankment in the given figure is

( + ) h + sb²

( + ) + 2sh²

2 [( + ) (b + sh²)]

½ ( + ) h