The pressure of the liquid flowing through the divergent portion of a Venturimeter

The velocity of the liquid flowing through the divergent portion of a Venturimeter

A

Remains constant

B

Increases

C

Decreases

D

Depends upon mass of liquid

The divergent portion of a Venturimeter is made longer than convergent portion in order to

A

Avoid the tendency of breaking away the stream of liquid

B

To minimize frictional losses

C

Both (A) and (B)

D

None of these

The discharge of steam in a convergent-divergent nozzle __________ after the throat (i.e. in the divergent portion of the nozzle)

A

Remains constant

B

Decreases

C

Increases

D

None of these

The length of the divergent cone in a Venturimeter is __________ that of the convergent cone.

A

Equal to

B

Double

C

Three to four times

D

Five to six times

The pressure of liquid at throat in a Venturimeter is __________ than that at inlet.

A

Higher

B

Lower

C

Same

D

None of these

Permanent loss in a venturimeter is about __________ percent of the pressure drop in theupstream cone.

A

1

B

10

C

40

D

70

Permanent pressure loss in a well designed venturimeter is about __________ percent of the venturi differential.

A

1

B

10

C

30

D

50

The discharge through a venturimeter depends upon

A

Pressure drop only

B

Its orientation

C

Co-efficient of contraction only

D

None of these

When a liquid is flowing through a pipe, the velocity of the liquid is

A

Maximum at the centre and minimum near the walls

B

Minimum at the centre and maximum near the walls

C

Zero at the centre and maximum near the walls

D

Maximum at the centre and zero near the walls

For measuring flow by a venturimeter, if should be installed in

A

vertical line

B

horizontal line

C

inclined line with upward flow

D

in any direction and in any location.

The pressure of the liquid flowing through the divergent portion of a Venturimeter

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