Quiz: Civil Quiz 17

Civil Quiz 17

Graded aggregate contains particles of size:

Single grade

<80mm

4.75mm

Multi grade

The pipe diameter is

directly proportional to fluid velocity

inversely proportional to mass flow rate

directly proportional to mass flow rate

directly proportional to fluid density

Refractory bricks resist

high temperature

chemical action

action of frost

all of the above

The atmospheric pressure with rise in altitude decreases

First slowly and then steeply

Unpredictable

First steeply and then gradually

Linearly

Which among the following is the correct formula for drag?

D = Cd * A * 0.5 * r * V2

D = 0.5 * r * V

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?

All of the above

Environmental Management System

Environmental Auditing

Environmental Performance Evaluation

Organisational decisions are made by ------

None of these

Directors

Managers

Managing directors

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

one

zero

negative

more than one

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

Bauxite, Chromites, Dolomite, Magnesia

Magnesia, Bauxite, Dolomite, Chromites

Dolomite, Magnesia, Bauxite, Chromites

None of these

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?

25 cm

27.9 cm

26.19cm

30.14 cm

is the additional flow occurring during rainy season.

dry weather flow

storm water flow

rapidly varied flow

gradually varied flow

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

Continuous beam

Overhang beam

Cantilever beam

Simply supported beam

According to Indian standards, in a 2 mm sieve

each hole is a square and its side is 2 mm

each sieve is circular and its diameter is 2 mm

there are two holes per cm length of the mesh

there are two holes

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

Ecological history

Ecological footprint

Ecological fingerprint

Ecological image

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)

both (i) and (iv)

only (i)

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 30

1 in 40

1 in 20

Capacity of a rotary pump is defined as

Total liquid displaced

Maximum fluid flow

Overall performance of pump

Minimum fluid flow View Answer

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

vertical pump

screw pump

multistage pump

self-priming pump

Escapes are also known as

regulators

outlet

safety valves

None of the above

Wear of impeller can be worsened by

Turbine head View Answer

Pump pressure

Draft tube

Suspended solenoids

The unit bearing capacity of footing in sand

decreses with width of footing

increases with depth of footing

decreases with depth of footing

increases with width of footing

The theodolite is an instrument used for measuring very accurately

vertical angles only

horizontal and vertical angles

linear measurements

horizontal angles only

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

5 mg/l

2 mg/l

1 mg/l

10 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

zero

infinity

none of these

unity

Box caissons are used when depth of water is _______

6 to 8 m

10 to 12 m

4 to 6 m

6 to 10 m

Anticorrosive paint is ___________ in color

White

Black

Blue

Yellow

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

( + ) + 2sh²

2 [( + ) (b + sh²)]

( + ) h + sb²

½ ( + ) h