For a given fluid flow rate, which of the following incurs maximum head
loss?
(A) Orificemeter
(B) Venturimeter
(C) Flow nozzle
(D) All of them incur the same head loss

1 Answer

Answer :

(A) Orificemeter

Related questions

Description : Out of the following flow measuring devices, which one incurs themaximum installation cost as well as pressure loss? (A) Flow nozzle (B) Venturimeter (C) Rotameter (D) Orificemeter

Last Answer : (B) Venturimeter

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

Description : For the same flow rate of a fluid, the pressure drop is the least for (A) Venturimeter (B) Orificemeter (C) Flow-nozzle (D) Δp is same for all

Last Answer : (A) Venturimeter

Description : Which is the most efficient and best for measuring very small flow rate of gases? (A) Venturimeter (B) Orificemeter (C) Rotameter (D) Flow nozzle

Last Answer : (C) Rotameter

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

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

Description : Venturimeter and orificemeter measures the __________ of the fluid. (A) Pressure (B) Maximum velocity (C) Average velocity (D) Point velocity

Last Answer : (C) Average velocity

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

Last Answer : (C) Rotameter

Description : Water flow rate in a pipe of 3.5 metres diameter can be most economically and conveniently measured by a/an (A) Pitot tube (B) Venturimeter (C) Orificemeter (D) Rotameter

Last Answer : (A) Pitot tube

Description : Which of the following can be used for the direct measurement of volumetric flow rate of slurry? (A) Venturimeter (B) Orificemeter (C) Rotameter (D) Pitot tube

Last Answer : (C) Rotameter

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

Description : Power loss in an orificemeter is __________ that in a Venturimeter. (A) Less than (B) Same as (C) More than (D) Data insufficient, cannot be predicted

Last Answer : (C) More than

Description : The energy loss in flow through Venturimeter is less than that through flow nozzle, because in case of a flow nozzle, the (A) Length is shorter (B) Throat diameter is more (C) Sudden expansion of flow in the downstream occurs (D) Distance between the throat and the inlet is more

Last Answer : (C) Sudden expansion of flow in the downstream occurs

Description : In a/an __________, the flow rate of fluids is obtained by measuring the difference between the impact and the static pressure. (A) Rotameter (B) Pitot tube (C) Venturimeter (D) Flow nozzle

Last Answer : (B) Pitot tube

Description : Flow measurement in an open channel is done by a/an (A) Venturimeter (B) Orificemeter (C) Weir (D) Rotameter

Last Answer : (C) Weir

Description : Which of the following flow measuring devices is an area meter? (A) Venturimeter (B) Orificemeter (C) Anemometer (D) Rotameter

Last Answer : (D) Rotameter

Description : . It is possible to integrate an automatic flow controller to a (A) Flow nozzle (B) Venturimeter (C) Rotameter (D) None of these

Last Answer : (C) Rotameter

Description : Bernoulli’s equation does not apply to the functioning of a/an (A) Venturimeter (B) Orificemeter (C) pitot tube (D) None of these

Last Answer : (D) None of these

Description : Which of the following instruments is used to measure flow on the application of Bernoulli's theorem? (A) Venturimeter (B) Orifice plate (C) Nozzle (D) All of the above

Last Answer : Answer: Option D

Description : Vena-contracta formed during flow of a liquid through an orificemeter has (A) Minimum liquid cross-section (B) More diameter compared to orifice diameter (C) Minimum velocity of fluid stream (D) None of these

Last Answer : (A) Minimum liquid cross-section

Description : Which of the following pipe bends will incur the largest head loss? (A) U-bend (B) 30° bend (C) 45° bend (D) 90° bend

Last Answer : (A) U-bend

Description : A mercury (specific gravity = 13.6) manometer connected across an orificemeter fitted in a pipe shows a manometer reading of 2 cms. If the manometer liquid is changed to carbon tetrachloride (specific gravity = 1.6), then ... new manometer reading will be __________ cms. (A) 17 (B) 42 (C) 84 (D) 1.8

Last Answer : __________ cms. (A) 17

Description : The most suitable flow measuring device for the fluid flow measurement in a very large diameter pipeline is a (A) Weir (B) Pitot tube (C) Kennison nozzle (D) V-notch

Last Answer : (B) Pitot tube

Description : Which of the following exemplifies a three dimensional fluid flow? (A) Fluid flow at the inlet to a nozzle (B) Fluid flow between parallel plates (C) Viscous fluid flow between converging plates (D) None of these

Last Answer : (A) Fluid flow at the inlet to a nozzle

Description : A packed tower compared to a plate tower for a particular mass transfer operation (A) Incurs smaller pressure drop (B) Allows installation of cooling coils (C) Is less costly when built in large sizes/diameters (D) Is more suitable, if suspended solids are present in fluid stream

Last Answer : (A) Incurs smaller pressure drop

Description : Which of the following valves will incur maximum pressure drop for the same discharge of water? (A) Globe valve (B) Gate valve (C) Needle valve (D) Butterfly valve

Last Answer : (C) Needle valve

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)

Description : 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

Last Answer : (A) Type of orifice

Description : In case of Venturimeter, friction losses are about __________ percent of maximum velocity head. (A) 2 (B) 8 (C) 12 (D) 20

Last Answer : (A) 2

Description : In case of a pipe exit fitted with a nozzle, the (A) Conversion of kinetic head to pressure head is facilitated (B) Conversion of pressure head to kinetic head is facilitated (C) Power transmitted through the nozzle ... in the pipe is equal to one third of the total supply head (D) Both (B) and (C)

Last Answer : (D) Both (B) and (C)

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

Description : When the Venturimeter is inclined, then for a given flow it will show __________ reading. (A) Same (B) More (C) Less (D) None of these

Last Answer : Answer: Option A

Description : The effect of friction on the flow of steam through a nozzle is to decrease the __________ of steam. (A) Wetness (B) Mass flow rate (C) Both 'a' & 'b' (D) Neither 'a' nor 'b'

Last Answer : (C) Both 'a' & 'b'

Description : The most serious disadvantage of an orificemeter is that (A) It is not very accurate (B) It is very costly (C) Most of the pressure drop is not recoverable (D) It is not suitable for measuring gas flow

Last Answer : (C) Most of the pressure drop is not recoverable

Description : Which of the following is used for very accurate measurement of flow of gas at low velocity? (A) Pitot tube (B) Rotameter (C) Segmental orificemeter (D) Hot wire anemometer

Last Answer : (D) Hot wire anemometer

Description : Two piping system are said to be equivalent, when the __________ are same. (A) Fluid flow rate & friction loss (B) Length & friction factor (C) Diameter & friction factor (D) Length & diameter

Last Answer : (A) Fluid flow rate & friction loss

Description : 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

Last Answer : (C) Remain constant

Description : The head loss in turbulent flow in pipe is proportional to(where, V = velocity of fluid through the pipe) (A) V 2 (B) 1/V 2 (C) 1/V (D) V

Last Answer : (A) V

Description : The power transmitted through the nozzle is maximum when the head lost due to friction in the pipe is __________ of the total supply head. (A) One-half (B) One-third (C) Two-third (D) None of these

Last Answer : Answer: Option B

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

Description : A person, by selling an article at half of the list price incurs a loss of 20%. Find the profit percentage if he sells at the list price? A. 25% B. 60% C. 5% D. 30 %

Last Answer : Answer – B (60 %) Explanation – 0.50 MP = 0.8 CP (since 20% loss) So, MP = 160CP ⇒ 60% gain.

Description : A sells an article to B making a profit of 1/5 th his outlay. B sells it to C, gaining 20%. If C sells it for Rs 600 and incurs a loss of 1/6 th his outlay, the cost price of A is: 1. Rs 600 2. Rs 500 3. Rs 720 4. Rs 800

Last Answer : 1. Rs 600

Description : Deepak selling a product at 48% discount, he incurs a loss of 10%. The marked price of the product is 15000 Rs. At what percent discount he should sell the product so as to have a profit of 30%.

Last Answer : Mp=15000==>Sp= 15000*0.52= 7800. Loss of 10% is there==>Cp= 7800/ 0.90= RS.8666.66 Profit of 30% = 6000*1.15=11266.66 Discount should be Rs2600 Discount % should be {2600/15000}*100 =17.3%

Description : By selling a mobile at 52% discount, a seller incurs a loss of 8%. The marked price of the product is 18000 Rs. At what percent discount the seller should sell the mobile so as to have a profit of 33%.

Last Answer : Since, Marked Price = 18000 Therefore, Selling Price = 18000*0.48 = 8640 Loss of 8% is there Therefore, Cost price = 8640/0.92 = 9391.30Rs To have profit of 33% The Selling Price should be = 9391. ... should be 18000 - 12490.42 = 5509.58Rs Discount% should be [5509.58/18000]*100 = 30.60 ≈ 31%.

Description : In case of end to end connection of two or more pipes in series, the __________ each pipe. (A) Same rate of flow passes through (B) Head loss is same through (C) Rate of flow in each pipe is proportional to the length of (D) Total flow rate is the sum of flow rate in

Last Answer : (A) Same rate of flow passes through

Description : Which is not a variable head meter? (A) Venturimeter (B) Pitot tube (C) Rotameter (D) None of these

Last Answer : (C) Rotameter

Description : A Venturimeter measures the (A) Velocity head (B) Pressure (C) Point velocity (D) None of these

Last Answer : (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

Description : Permanent pressure loss in a well designed Venturimeter is about __________ percent of the venturi differential. (A) 1 (B) 10 (C) 30 (D) 50

Last Answer : (A) 1

Description : Permanent loss in a Venturimeter is about __________ percent of the pressure drop in the upstream cone. (A) 1 (B) 10 (C) 40 (D) 70

Last Answer : (B) 10