An air vessel is provided at the summit in a siphon to

To avoid an interruption in the flow of a siphon, an air vessel is provided

A

At the inlet

B

At the outlet

C

At the summit

D

At any point between inlet and outlet

For sewers, inverted siphon is provided for

A

One pipe

B

Two pipes

C

Three pipes

D

Four pipes

The siphon will work satisfactorily, if the minimum pressure in the pipe is __________ vapour pressure of liquid.

A

Equal to

B

Less than

C

More than

D

None of these

The discharge through a siphon spillway is

A

$${{\text{C}}_{\text{d}}} \times {\text{a}}\sqrt {2{\text{gH}}} $$

B

$${{\text{C}}_{\text{d}}} \times {\text{a}}\sqrt {2{\text{g}}} \times {{\text{H}}^{\frac{3}{2}}}$$

C

$${{\text{C}}_{\text{d}}} \times {\text{a}}\sqrt {2{\text{g}}} \times {{\text{H}}^2}$$

D

$${{\text{C}}_{\text{d}}} \times {\text{a}}\sqrt {2{\text{g}}} \times {{\text{H}}^{\frac{5}{2}}}$$

An inverted siphon is designed generally for

A

One pipe

B

Two pipes

C

Three pipes

D

Four pipes

When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as

A

Steady flow

B

Turbulent flow

C

Vortex flow

D

Uniform flow

Two glasses of equal volume respectively are half and three - fourths filled with milk. They are then filled to brim by adding water. Their contents are then poured into another vessel. What will be the ratio of milk to water in this vessel ?

A

1 : 3

B

2 : 3

C

3 : 2

D

5 : 3

To avoid an interruption in the flow of a syphon, an air vessel is provided

A

at the inlet

B

at the outlet

C

at the summit

D

ay nay point between inlet and outlet

Function of air vessel provided in a reciprocating pump is to

A

Reduce discharge fluctuation

B

Reduce the danger of cavitation

C

Avoid the necessity of priming

D

Increase the pump efficiency

Air vessel provided in a reciprocating pump is for

A

Increasing the acceleration head

B

Making the friction in pipe uniform

C

Decreasing the acceleration head

D

None of these

An air vessel is provided at the summit in a siphon to

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