Venturimeter is used to (A) Measure the velocity of a flowing liquid (B) Measure the pressure of a flowing liquid (C) Measure the discharge of liquid flowing in a pipe (D) Measure the pressure difference of liquid flowing between two points in a pipe line

Venturimeter is used to
(A) Measure the velocity of a flowing liquid
(B) Measure the pressure of a flowing liquid
(C) Measure the discharge of liquid flowing in a pipe
(D) Measure the pressure difference of liquid flowing between two points in a pipe line
by

1 Answer

Answer :

Answer: Option C
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Related questions

A pitot tube is used to measure the (A) Velocity of flow at the required point in a pipe (B) Pressure difference between two points in a pipe (C) Total pressure of liquid flowing in a pipe (D) Discharge through a pipe

Description : A pitot tube is used to measure the (A) Velocity of flow at the required point in a pipe (B) Pressure difference between two points in a pipe (C) Total pressure of liquid flowing in a pipe (D) Discharge through a pipe

Last Answer : Answer: Option A

Which of the following statement is wrong? (A) A flow whose streamline is represented by a curve is called two dimensional flow. (B) The total energy of a liquid particle is the sum of potential energy, kinetic energy and pressure energy. (C) The length of divergent portion in a Venturimeter is equal to the convergent portion. (D) A pitot tube is used to measure the velocity of flow at the required point in a pipe.

Description : Which of the following statement is wrong? (A) A flow whose streamline is represented by a curve is called two dimensional flow. (B) The total energy of a liquid particle is the sum of potential energy, ... (D) A pitot tube is used to measure the velocity of flow at the required point in a pipe.

Last Answer : Answer: Option C

A differential manometer is used to measure (A) Atmospheric pressure (B) Pressure in pipes and channels (C) Pressure in Venturimeter (D) Difference of pressures between two points in a pipe

Description : A differential manometer is used to measure (A) Atmospheric pressure (B) Pressure in pipes and channels (C) Pressure in Venturimeter (D) Difference of pressures between two points in a pipe

Last Answer : Answer: Option D

A manometer is used to measure (A) Atmospheric pressure (B) Pressure in pipes and channels (C) Pressure in Venturimeter (D) Difference of pressures between two points in a pipe

Description : A manometer is used to measure (A) Atmospheric pressure (B) Pressure in pipes and channels (C) Pressure in Venturimeter (D) Difference of pressures between two points in a pipe

Last Answer : Answer: Option B

A venturi-flume is used to measure (A) Pressure of liquid (B) Discharge of liquid (C) Pressure difference between two points in a channel (D) Pressure difference between two points in a pipe

Description : A venturi-flume is used to measure (A) Pressure of liquid (B) Discharge of liquid (C) Pressure difference between two points in a channel (D) Pressure difference between two points in a pipe

Last Answer : Answer: Option B

Select the correct statement. (A) The discharge through a Venturimeter depends upon Δp only and isindependent of orientation of the meter(B) A Venturimeter with a given gage difference discharges at a greater rate,when the flow is vertically downward through it, than when the flow is verticallyupward(C) For a given pressure difference, the discharge of gas is greater through aVenturimeter, when compressibility is taken into account, than when it isneglected(D) The overall pressure loss is the same in a given pipe line, whether aVenturimeter or a nozzle with the same throat dia is used

Description : Sele(A) The discharge through a Venturimeter depends upon Δp only and isindependent of orientation of the meterct the correct statement. (B) A Venturimeter with a given gage difference discharges at a ... a given pipe line, whether a Venturimeter or a nozzle with the same throat dia is used

Last Answer : (A) The discharge through a Venturimeter depends upon Δp only and isindependent of orientation of the meterct the correct statement

Select the correct statement. (A) The discharge through a Venturimeter depends upon Δp only and isindependent of orientation of the meter(B) A Venturimeter with a given gage difference discharges at a greater rate,when the flow is vertically downward through it, than when the flow is verticallyupward(C) For a given pressure difference, the discharge of gas is greater through aVenturimeter, when compressibility is taken into account, than when it isneglected(D) The overall pressure loss is the same in a given pipe line, whether aVenturimeter or a nozzle with the same throat dia is used

Description : Select the correct statement. (A) The discharge through a Venturimeter depends upon Δp only and isindependent of orientation of the meter (B) A Venturimeter with a given gage difference discharges at a ... a given pipe line, whether a Venturimeter or a nozzle with the same throat dia is used

Last Answer : (A) The discharge through a Venturimeter depends upon Δp only and isindependent of orientation of the meter

Barometer is used to measure (A) Velocity of liquid(B) Atmospheric pressure (C) Pressure in pipes and channels (D) Difference of pressure between two points in a pipe

Description : Barometer is used to measure (A) Velocity of liquid (B) Atmospheric pressure (C) Pressure in pipes and channels (D) Difference of pressure between two points in a pipe

Last Answer : Answer: Option B

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

Description : 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

Last Answer : Answer: Option C

The pressure of the liquid flowing through the divergent portion of a Venturimeter (A) Remains constant (B) Increases (C) Decreases (D) Depends upon mass of liquid

Description : The pressure of the liquid flowing through the divergent portion of a Venturimeter (A) Remains constant (B) Increases (C) Decreases (D) Depends upon mass of liquid

Last Answer : Answer: Option C

At the center line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be (A) Minimum (B) Maximum (C) Zero (D) Could be any value

Description : At the center line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be (A) Minimum (B) Maximum (C) Zero (D) Could be any value

Last Answer : Answer: Option D

The Bernoulli's equation is based on the assumption that (A) There is no loss of energy of the liquid flowing (B) The velocity of flow is uniform across any cross-section of the pipe (C) No force except gravity acts on the fluid (D) All of the above

Description : The Bernoulli's equation is based on the assumption that (A) There is no loss of energy of the liquid flowing (B) The velocity of flow is uniform across any cross-section of the pipe (C) No force except gravity acts on the fluid (D) All of the above

Last Answer : Answer: Option D

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

Description : 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

Last Answer : Answer: Option A

In a pressure penstock 4500 m long, water is flowing at a velocity of 4 m/s. If the velocity of the pressure wave traveling in the pipe, due sudden complete closure of a valve at the downstream end, is given as 1500 m/s, what would be the period of oscillation in second under frictionless conditions? (a) 6 (b) 8 (c) 9 (d) 11

Description : In a pressure penstock 4500 m long, water is flowing at a velocity of 4 m/s. If the velocity of the pressure wave traveling in the pipe, due sudden complete closure of a valve at the downstream end, is ... period of oscillation in second under frictionless conditions? (a) 6 (b) 8 (c) 9 (d) 11

Last Answer : (a) 6

17. In a Venturimeter, the velocity of liquid at throat is __________ than at inlet. A) Higher B) Lowe

Description : 17. In a Venturimeter, the velocity of liquid at throat is __________ than at inlet. A) Higher B) Lowe

Last Answer : A

Piezometer is used to measure (A) Pressure in pipe, channels etc. (B) Atmospheric pressure (C) Very low pressures (D) Difference of pressure between two points

Description : Piezometer is used to measure (A) Pressure in pipe, channels etc. (B) Atmospheric pressure (C) Very low pressures (D) Difference of pressure between two points

Last Answer : Answer: Option C

Venturimeter is used to measure the flow rate of fluids in pipes, when the pipe is in __________ position. (A) Horizontal (B) Vertical (C) Inclined (D) Any

Description : Venturimeter is used to measure the flow rate of fluids in pipes, when the pipe is in __________ position. (A) Horizontal (B) Vertical (C) Inclined (D) Any

Last Answer : (D) Any

Venturimeter is used to measure: (1) rate of flow of liquids (2) liquid pressure (3) surface tension (4) liquid density

Description : Venturimeter is used to measure: (1) rate of flow of liquids (2) liquid pressure (3) surface tension (4) liquid density

Last Answer : rate of flow of liquids

In case of unsteady fluid flow, conditions & flow pattern change with the passage of time at a position in a flow situation. Which of the following is an example of unsteady flow? (A) Discharge of water by a centrifugal pump being run at a constant rpm (B) Water flow in the suction and discharge pipe of a reciprocating pump (C) Water discharge from a vertical vessel in which constant level is maintained (D) Low velocity flow of a highly viscous liquid through a hydraulically smooth pipe

Description : In case of unsteady fluid flow, conditions & flow pattern change with the passage of time at a position in a flow situation. Which of the following is an example of unsteady flow? (A) ... level is maintained (D) Low velocity flow of a highly viscous liquid through a hydraulically smooth pipe

Last Answer : (B) Water flow in the suction and discharge pipe of a reciprocating pump

Which of the following is not the function of a volute casing provided in a centrifugal pump? (A) To reduce the head loss in discharge (B) To increase the pump efficiency (C) To collect liquid from the periphery of the impeller and to transmit it to the delivery pipe at constant velocity (D) To increase the pump discharge rate

Description : Which of the following is not the function of a volute casing provided in a centrifugal pump? (A) To reduce the head loss in discharge (B) To increase the pump efficiency (C) To collect liquid ... and to transmit it to the delivery pipe at constant velocity (D) To increase the pump discharge rate

Last Answer : Option D

If the velocity of flow as well as the diameter of the flowing pipe are respectively doubled through a pipe system in use since long, the head loss will thereafter be (a) Halved (b) Doubled (c) Increased 4 times (d) No change

Description : If the velocity of flow as well as the diameter of the flowing pipe are respectively doubled through a pipe system in use since long, the head loss will thereafter be (a) Halved (b) Doubled (c) Increased 4 times (d) No change

Last Answer : (b) Doubled

__________ is used for measuring the static pressure exerted on the wall by a fluid flowing parallel to the wall in a pipeline. (A) Venturimeter (B) Pressure gauge(C) Pitot tube(D) Orificemeter

Description : __________ is used for measuring the static pressure exerted on the wall by a fluid flowing parallel to the wall in a pipeline. (A) Venturimeter (B) Pressure gauge (C) Pitot tube (D) Orificemeter

Last Answer : (C) Pitot tube

A notch is used to measure __________ of liquids. (A) Pressure (B) Discharge (C) Velocity (D) Volume

Description : A notch is used to measure __________ of liquids. (A) Pressure (B) Discharge (C) Velocity (D) Volume

Last Answer : Answer: Option B

he pressure drop per unit length of pipe incurred by a fluid 'X' flowing through pipe is Δp. If another fluid 'Y' having both the specific gravity & density just double of that of fluid 'X', flows through the same pipe at the same flow rate/average velocity, then the pressure drop in this case will be (A) Δp (B) 2Δp (C) Δp 2 (D) Δp/2

Description : he pressure drop per unit length of pipe incurred by a fluid 'X' flowing through pipe is Δp. If another fluid 'Y' having both the specific gravity & density just double of that of fluid 'X', flows through the same pipe ... then the pressure drop in this case will be (A) Δp (B) 2Δp (C) Δp 2 (D) Δp/2

Last Answer : (B) 2Δp

Water hammer is caused, when water flowing in a pipe is suddenly brought to rest by closing the valve. The extent of pressure thus produced due to water hammer depends on the (A) Pipe length (B) Fluid velocity in the pipe (C) Time taken to close the valve (D) All (A), (B) and (C)

Description : Water hammer is caused, when water flowing in a pipe is suddenly brought to rest by closing the valve. The extent of pressure thus produced due to water hammer depends on the (A) Pipe length (B) Fluid velocity in the pipe (C) Time taken to close the valve (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

A Venturimeter cannot be used for the direct measurement of (A) Datum difference in the stretch of pipe-flow (B) Pressure difference in the flow through pipeline(C) Friction loss in pipe flow(D) All (A), (B) and (C)

Description : A Venturimeter cannot be used for the direct measurement of (A) Datum difference in the stretch of pipe-flow (B) Pressure difference in the flow through pipeline (C) Friction loss in pipe flow (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

03. If an incompressible liquid is continuously flowing through a pipe, the quantity of liquid passing per second is different at different sections. A) True B) False

Description : 03. If an incompressible liquid is continuously flowing through a pipe, the quantity of liquid passing per second is different at different sections. A) True B) False

Last Answer : B

The flow in a pipe or channel is said to be non-uniform when (A) The liquid particles at all sections have the same velocities (B) The liquid particles at different sections have different velocities (C) The quantity of liquid flowing per second is constant (D) Each liquid particle has a definite path

Description : The flow in a pipe or channel is said to be non-uniform when (A) The liquid particles at all sections have the same velocities (B) The liquid particles at different sections have different ... The quantity of liquid flowing per second is constant (D) Each liquid particle has a definite path

Last Answer : Answer: Option B

The flow in a pipe or channel is said to be uniform when (A) The liquid particles at all sections have the same velocities (B) The liquid particles at different sections have different velocities (C) The quantity of liquid flowing per second is constant (D) Each liquid particle has a definite path

Description : The flow in a pipe or channel is said to be uniform when (A) The liquid particles at all sections have the same velocities (B) The liquid particles at different sections have different ... The quantity of liquid flowing per second is constant (D) Each liquid particle has a definite path

Last Answer : Answer: Option A

The magnitude of water hammer depends upon the (A) Elastic properties of the pipe material (B) Elastic properties of the liquid flowing through the pipe (C) Speed at which the valve is closed (D) All of the above

Description : The magnitude of water hammer depends upon the (A) Elastic properties of the pipe material (B) Elastic properties of the liquid flowing through the pipe (C) Speed at which the valve is closed (D) All of the above

Last Answer : Answer: Option D

The loss of head due to viscosity for laminar flow in pipes is (where d = Diameter of pipe, l = Length of pipe, v w = Specific weight of the flowing liquid) (A) 4 (B) 8 (C) 16 (D) 32

Description : The loss of head due to viscosity for laminar flow in pipes is (where d = Diameter of pipe, l = Length of pipe, v w = Specific weight of the flowing liquid) (A) 4 (B) 8 (C) 16 (D) 32

Last Answer : Answer: Option D

In order to measure the flow with a Venturimeter, it is installed in (A) Horizontal line (B) Inclined line with flow upwards (C) Inclined line with flow downwards (D) Any direction and in any location

Description : In order to measure the flow with a Venturimeter, it is installed in (A) Horizontal line (B) Inclined line with flow upwards (C) Inclined line with flow downwards (D) Any direction and in any location

Last Answer : Answer: Option D

Hot wire anemometer is used to measure (A) Pressure in gases (B) Liquid discharge (C) Pressure in liquids (D) Gas velocities

Description : Hot wire anemometer is used to measure (A) Pressure in gases (B) Liquid discharge (C) Pressure in liquids (D) Gas velocities

Last Answer : Answer: Option D

A compound pipe is required to be replaced by a new pipe. The two pipes are said to be equivalent, if (A) Length of both the pipes is same (B) Diameter of both the pipes is same (C) Loss of head and discharge of both the pipes is same (D) Loss of head and velocity of flow in both the pipes is same

Description : A compound pipe is required to be replaced by a new pipe. The two pipes are said to be equivalent, if (A) Length of both the pipes is same (B) Diameter of both the pipes is same (C) Loss of ... discharge of both the pipes is same (D) Loss of head and velocity of flow in both the pipes is same

Last Answer : Answer: Option C

Consider the following statements in respect of steady laminar flow through a circular pipe: 1. Shear stress is zero on the central axis of the pipe 2. Discharge varies directly with the viscosity of the fluid 3. Velocity is maximum at the centre of the pipe. 4. Hydraulic gradient varies as the square of the mean velocity of flow. Which of these statements are correct? (a) 1, 2 , 3 & 4 (b) 1 & 3 only (c) 2 & 4 only (d)3 & 4 only

Description : Consider the following statements in respect of steady laminar flow through a circular pipe: 1. Shear stress is zero on the central axis of the pipe 2. Discharge varies directly with the viscosity of the fluid 3. Velocity is maximum at the ... 2 , 3 & 4 (b) 1 & 3 only (c) 2 & 4 only (d)3 & 4 only

Last Answer : (b) 1 & 3 only

The coefficient of discharge for an external mouthpiece depends upon (A) Velocity of liquid (B) Pressure of liquid (C) Area of mouthpiece (D) Length of mouthpiece

Description : The coefficient of discharge for an external mouthpiece depends upon (A) Velocity of liquid (B) Pressure of liquid (C) Area of mouthpiece (D) Length of mouthpiece

Last Answer : Answer: Option D

The discharge through a Venturimeter depends upon (A) Pressure drop only (B) Its orientation (C) Co-efficient of contraction only (D) None of these

Description : The discharge through a Venturimeter depends upon (A) Pressure drop only (B) Its orientation (C) Co-efficient of contraction only (D) None of these

Last Answer : (A) Pressure drop only

Select the wrong statement pertaining to flow of an incompressible fluid through a Venturimeter. (A) For frictionless flow, the fluid pressure entering the venturi meter will be exactly equal to that leaving the Venturimeter(B) Discharge of fluid through a Venturimeter depends upon the gagedifference irrespective of the orientation of Venturimeter(C) Venturimeter occupies less space than an orificemeter(D) Venturimeter incurs less power loss compared to an equivalentorificemeter

Description : Select the wrong statement pertaining to flow of an incompressible fluid through a Venturimeter. (A) For frictionless flow, the fluid pressure entering the venturi meter will be exactly equal ... than an orificemeter (D) Venturimeter incurs less power loss compared to an equivalent orificemeter

Last Answer : (C) Venturimeter occupies less space than an orificemeter

Pick out the correct statement pertaining to Venturimeter. (A) A Venturimeter with a fixed pressure drop discharges more, when the flow is vertically downward, than when the flow is vertically upward (B) The co-efficient of contraction of a Venturimeter is always unity (C) For a fixed pressure drop, the discharge of a gas through a Venturimeter is greater, when compressibility is taken into account, than when it is neglected (D) None of these

Description : Pick out the correct statement pertaining to Venturimeter. (A) A Venturimeter with a fixed pressure drop discharges more, when the flow is vertically downward, than when the flow is vertically upward (B ... , when compressibility is taken into account, than when it is neglected (D) None of these

Last Answer : (D) None of these

In order to avoid tendency of separation at throat in a Venturimeter, the ratio of the diameter at throat to the diameter of pipe should be (A) 1/16 to 1/8 (B) 1/8 to 1/4 (C) 1/4 to 1/3 (D) 1/3 to 1/2

Description : In order to avoid tendency of separation at throat in a Venturimeter, the ratio of the diameter at throat to the diameter of pipe should be (A) 1/16 to 1/8 (B) 1/8 to 1/4 (C) 1/4 to 1/3 (D) 1/3 to 1/2

Last Answer : Answer: Option D

Flow of water in a pipe about 3 metres in diameter can be measured by (A) Orifice plate (B) Venturimeter (C) Rotameter (D) Pitot tube

Description : Flow of water in a pipe about 3 metres in diameter can be measured by (A) Orifice plate (B) Venturimeter (C) Rotameter (D) Pitot tube

Last Answer : Answer: Option D

The pressure of liquid at throat in a Venturimeter is __________ than that at inlet. (A) Higher (B) Lower (C) Same (D) None of these

Description : The pressure of liquid at throat in a Venturimeter is __________ than that at inlet. (A) Higher (B) Lower (C) Same (D) None of these

Last Answer : Answer: Option B

The factional resistance of a pipe varies approximately with __________ of the liquid. (A) Pressure (B) Velocity (C) Square of velocity (D) Cube of velocit

Description : The factional resistance of a pipe varies approximately with __________ of the liquid. (A) Pressure (B) Velocity (C) Square of velocity (D) Cube of velocit

Last Answer : Answer: Option C

19. The water hammer in pipes occurs due to sudden change in the velocity of flowing liquid A) Agree B) Disagree

Description : 19. The water hammer in pipes occurs due to sudden change in the velocity of flowing liquid A) Agree B) Disagree

Last Answer : A

14. The velocity of liquid flowing through an orifice varies with the available head of the liquid. A) Agree B) Disagree

Description : 14. The velocity of liquid flowing through an orifice varies with the available head of the liquid. A) Agree B) Disagree

Last Answer : A

A flow is called super-sonic if the (A) Velocity of flow is very high (B) Discharge is difficult to measure (C) Mach number is between 1 and 6 (D) None of these

Description : A flow is called super-sonic if the (A) Velocity of flow is very high (B) Discharge is difficult to measure (C) Mach number is between 1 and 6 (D) None of these

Last Answer : Answer: Option C

A pipe of I.D. 4 m is bifurcated into two pipes of I.D. 2 m each. If the average velocity of water flowing through the main pipe is 5 m/sec, the average velocity through the bifurcated pipes is (A) 20 m/sec (B) 10 m/sec (C) 5 √2 m/sec (D) 5 m/sec

Description : A pipe of I.D. 4 m is bifurcated into two pipes of I.D. 2 m each. If the average velocity of water flowing through the main pipe is 5 m/sec, the average velocity through the bifurcated pipes is (A) 20 m/sec (B) 10 m/sec (C) 5 √2 m/sec (D) 5 m/sec

Last Answer : (B) 10 m/sec

The self-cleansing velocity of water flowing through pipe lines, is A. 2 metres/sec B. 1 metre/sec C. 0.5 metre/sec D. 0.25 metre/sec

Description : The self-cleansing velocity of water flowing through pipe lines, is A. 2 metres/sec B. 1 metre/sec C. 0.5 metre/sec D. 0.25 metre/sec

Last Answer : ANS: A

Hydraulic mean depth (Dm) for a circular pipe of diameter 'D' flowing full is 0.25 D. For a circular channel, at Dm = 0.3 D, gives the condition for the maximum (A) Flow rate (B) Mean velocity (C) Both 'a' & 'b' (D) Neither 'a' nor 'b

Description : Hydraulic mean depth (Dm) for a circular pipe of diameter 'D' flowing full is 0.25 D. For a circular channel, at Dm = 0.3 D, gives the condition for the maximum (A) Flow rate (B) Mean velocity (C) Both 'a' & 'b' (D) Neither 'a' nor 'b

Last Answer : (B) Mean velocity

The velocity profile for a Bingham plastic fluid flowing (under laminar conditions) in a pipe is (A) Parabolic (B) Flat (C) Flat near the wall and parabolic in the middle (D) Parabolic near the wall and flat in the middle

Description : The velocity profile for a Bingham plastic fluid flowing (under laminar conditions) in a pipe is (A) Parabolic (B) Flat (C) Flat near the wall and parabolic in the middle (D) Parabolic near the wall and flat in the middle

Last Answer : (D) Parabolic near the wall and flat in the middle