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

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
by

1 Answer

Answer :

Answer: Option D
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Related questions

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Last Answer : (A) Pitot tube

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The pressure head of a flow meter remains constant for (A) Venturimeter (B) Orificemeter (C) Rotameter (D) Pitot tube

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Last Answer : (A) Rotameter

Bernoulli's equation is applied to (A) Venturimeter (B) Orifice meter (C) Pitot tube (D) All of these

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Last Answer : Answer: Option D

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.

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Last Answer : (C) Pitot tube

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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

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Last Answer : (C) D = 0.97 to 1.22 Q

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Description : For calculation of economical diameter D of a pipe in metres for a discharge Q to be pumped in  cumecs, Lea suggested the empirical formula  (A) D = 0.22 Q (B) D = 1.22 Q (C) D = 2.22 Q (D) D = 3.22 Q

Last Answer : (B) D = 1.22 Q

Pick up the correct statement from the following: (A) All pipes and fittings are classified according to their diameters (B) The diameter of the pipes is the nominal diameter of internal bore (C) All pipes are measured along the centre line of the pipes in metres (D) All the above

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Description : In the method of tube boring of soil investigation, the following is essential: (A) A tube of about 2 metres length and 20 cm diameter with a cutting edge (B) A flap valve at the bottom of tube is ... and lowered by 4 thick rope moving over a pulley suspended on a tripod stand (D) All the above

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Compare orifice plate with venturi tube with reference to: (i) Working principle (ii) Construction (iii) Cost (iv) Pressure loss

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Location of vena-contracta in an orificemeter does not depend upon the (A) Type of orifice (B) Density, viscosity & compressibility of the fluid (C) Ratio of pipe diameter to orifice diameter (D) Pipe roughness

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The discharge co-efficient for an orifice meter does not depend upon the (A) Pipe length (B) Ratio of pipe diameter to orifice diameter (C) Type of orifice & the Reynolds number (D) Pipe diameter

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With increase in the ratio of orifice diameter to pipe diameter, the fraction of the orifice pressure differential that is permanently lost (A) Increases(B) Decreases(C) Remains unchanged(D) Increases exponentially

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Last Answer : (B) Decreases

With increase in the ratio of orifice diameter to pipe diameter in case of an orificemeter, the overall pressure loss (A) Decreases (B) Increases (C) Remain constant (D) Increases linearly

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the fluid flow rate increases, the float of the Rotameter (A) Rises in the tube (B) Rotates at higher speed (C) Rotates at lower speed (D) Drops down in the tube

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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)

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

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

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

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

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Last Answer : (D) Any

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Last Answer : (B) d -0.2

Describe the construction of orifice plate flow meter.

Description : Describe the construction of orifice plate flow meter. 

Last Answer : It is variable head flow meter in which the differential pressure is developed by using orifice plate by inserting it in the path of the fluid flow.  Orifice meter is as ... measurement of differential pressure. Thus differential pressure (p1-p2) is directly proportional to the flowrate.

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