Quiz: Civil Quiz 17

Civil Quiz 17

Graded aggregate contains particles of size:

4.75mm

Multi grade

<80mm

Single grade

The pipe diameter is

inversely proportional to mass flow rate

directly proportional to fluid density

directly proportional to fluid velocity

directly proportional to mass flow rate

Refractory bricks resist

all of the above

action of frost

high temperature

chemical action

The atmospheric pressure with rise in altitude decreases

First slowly and then steeply

First steeply and then gradually

Unpredictable

Linearly

Which among the following is the correct formula for drag?

D = 0.5 * r * V

D = Cd * A * 0.5 * r * V2

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

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

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

Environmental Auditing

Environmental Management System

All of the above

Environmental Performance Evaluation

Organisational decisions are made by ------

Managing directors

Directors

Managers

None of these

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

zero

negative

one

more than one

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

Bauxite, Chromites, Dolomite, Magnesia

None of these

Dolomite, Magnesia, Bauxite, Chromites

Magnesia, Bauxite, Dolomite, 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?

27.9 cm

30.14 cm

25 cm

26.19cm

is the additional flow occurring during rainy season.

dry weather flow

rapidly varied flow

storm water flow

gradually varied flow

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

Overhang beam

Simply supported beam

Continuous beam

Cantilever beam

According to Indian standards, in a 2 mm sieve

each hole is a square and its side is 2 mm

there are two holes per cm length of the mesh

each sieve is circular and its diameter is 2 mm

there are two holes

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

Ecological history

Ecological fingerprint

Ecological image

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 (i)

only (iii)

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 10

1 in 20

1 in 30

1 in 40

Capacity of a rotary pump is defined as

Maximum fluid flow

Total liquid displaced

Overall performance of pump

Minimum fluid flow View Answer

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

screw pump

vertical pump

self-priming pump

multistage pump

Escapes are also known as

regulators

None of the above

outlet

safety valves

Wear of impeller can be worsened by

Pump pressure

Draft tube

Turbine head View Answer

Suspended solenoids

The unit bearing capacity of footing in sand

increases with width of footing

decreases with depth of footing

decreses with width of footing

increases with depth of footing

The theodolite is an instrument used for measuring very accurately

linear measurements

horizontal and vertical angles

horizontal angles only

vertical angles only

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

1 mg/l

5 mg/l

10 mg/l

2 mg/l

Bucket ladder dredger is suitable for _______ .

soft soil

all of the above

sand

hard clay

The axis of telescope level must be

Both A and B

parallel

perpendicular

None of the above

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

none of these

unity

zero

infinity

Box caissons are used when depth of water is _______

6 to 10 m

10 to 12 m

6 to 8 m

4 to 6 m

Anticorrosive paint is ___________ in color

Black

Blue

Yellow

White

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

½ ( + ) h

( + ) + 2sh²

( + ) h + sb²

2 [( + ) (b + sh²)]