Why does the v notch give more accurate flow measurement than any other weirs?

Why does the v notch give more accurate flow measurement than any other weirs?
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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

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

For measuring uniform flow of water, weirs used are

Description : For measuring uniform flow of water, weirs used are

Last Answer : Ans.Rectangular and Trapezoidal weir

Which of the following may be termed as a variable orifice flow-meter? (A) Rotameter (B) Pitot tube (C) V-notch (D) All (A), (B) and (C)

Description : Which of the following may be termed as a variable orifice flow-meter? (A) Rotameter (B) Pitot tube (C) V-notch (D) All (A), (B) and (C)

Last Answer : (A) Rotameter

The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a rectangular notch is given by (A) dQ/Q = (1/2) × (dH/H) (B) dQ/Q = (3/4) × (dH/H) (C) dQ/Q = (dH/H) (D) dQ/Q = (3/2) × (dH/H)

Description : The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a rectangular notch is given by (A) dQ/Q = (1/2) × (dH/H) (B) dQ/Q = (3/4) × (dH/H) (C) dQ/Q = (dH/H) (D) dQ/Q = (3/2) × (dH/H)

Last Answer : Answer: Option D

The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a triangular notch is given by (A) dQ/Q = 3/2 × (dH/H) (B) dQ/Q = 2 × (dH/H) (C) dQ/Q = 5/2 × (dH/H) (D) dQ/Q = 3 × (dH/H)

Description : The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a triangular notch is given by (A) dQ/Q = 3/2 × (dH/H) (B) dQ/Q = 2 × (dH/H) (C) dQ/Q = 5/2 × (dH/H) (D) dQ/Q = 3 × (dH/H)

Last Answer : Answer: Option C

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

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

Which organ gets affected in Weirs disease? (1) Liver (2) Lung (3) Heart (4) Kidney

Description : Which organ gets affected in Weirs disease? (1) Liver (2) Lung (3) Heart (4) Kidney

Last Answer : (4) Kidney Explanation: Weil's disease is a severe form of leptospirosis, a type of infection caused by Leptospira bacteria. The classic form of severe leptospirosis is known as Weil's disease, which is characterized by liver damage (causing jaundice), kidney failure, and bleeding.

Sharp crested weirs are generally used (A) For large flows (B) For small flows (C) For streams carrying high sediment loads (D) For rivers carrying floating debris

Description : Sharp crested weirs are generally used (A) For large flows (B) For small flows (C) For streams carrying high sediment loads (D) For rivers carrying floating debris

Last Answer : Answer: Option A

The discharge through a V-notch weir varies as (A) H3/2 (B) H1/2 (C) H5/2 (D) H2/3

Description : The discharge through a V-notch weir varies as (A) H3/2 (B) H1/2 (C) H5/2 (D) H2/3

Last Answer : (C) H5/2

Open channel liquid flow is most conveniently measured by a (A) Hot wire anemometer (B) Notch (C) Rotameter (D) Segmental orifice

Description : Open channel liquid flow is most conveniently measured by a (A) Hot wire anemometer (B) Notch (C) Rotameter (D) Segmental orifice

Last Answer : (B) Notch

Accurate measurement of deflection angles with a transit not properly adjusted may be made by (A) Setting the Vernier A at zero at back station and then plunging the telescope (B) Setting the Vernier A at zero at back station and turning the instrument to the forward station (C) Taking two back sights one with the telescope normal and the other with telescope inverted (D) None of these

Description : Accurate measurement of deflection angles with a transit not properly adjusted may be made by (A) Setting the Vernier A at zero at back station and then plunging the telescope (B) Setting the ... back sights one with the telescope normal and the other with telescope inverted (D) None of these

Last Answer : (C) Taking two back sights one with the telescope normal and the other with telescope inverted

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Description : Which of the following statements concerning monitoring techniques in the intensive care unit are true? A. Pulmonary artery and pulmonary capillary wedge pressure readings should be made ... clinical conditions not associated with tissue hypoxia, including liver disease and hypermetabolic states.

Last Answer : Answer: BD DISCUSSION: Many different monitoring techniques may be used to assess the adequacy of therapy for shock. The pulmonary artery catheter can provide important hemodynamic and oxygen ... also be seen with liver disease, toxin ingestion, and hypermetabolic states not associated with shock

What is the instrument name used for accurate measurement of IP?

Description : What is the instrument name used for accurate measurement of IP? 

Last Answer : Infra red spectro photometer.  

Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of __________ will facilitate the most accurate measurement of the temperature. (A) Copper (B) Steel (C) Aluminium (D) Brass

Description : Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of __________ will facilitate the most accurate measurement of the temperature. (A) Copper (B) Steel (C) Aluminium (D) Brass

Last Answer : Option A

Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of __________ will facilitate the most accurate measurement of the temperature. (A) Copper (B) Steel (C) Aluminium (D) Brass

Description : Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of __________ will facilitate the most accurate measurement of the temperature. (A) Copper (B) Steel (C) Aluminium (D) Brass

Last Answer : Option A

The process of proper and accurate measurement of concrete ingredients for uniformity of proportion, is known (A) Grading (B) Curing (C) Mixing (D) Batching

Description : The process of proper and accurate measurement of concrete ingredients for uniformity of proportion, is known (A) Grading (B) Curing (C) Mixing (D) Batching

Last Answer : (D) Batching

The process of proper and accurate measurement of concrete ingredients for uniformity of proportion, is known as [ A ] Curing [ B ] Mixing [ C ] Grading [ D ] Batching

Description : The process of proper and accurate measurement of concrete ingredients for uniformity of proportion, is known as [ A ] Curing [ B ] Mixing [ C ] Grading [ D ] Batching

Last Answer : [ D ] Batching

In order to make an accurate measurement as possible, the internal resistance of a voltmeter must be

Description : In order to make an accurate measurement as possible, the internal resistance of a voltmeter must be

Last Answer : as high as possible

The time lag between the performance of marketing activities and their results A)limits the marketing manager's ability to measure the effectiveness of marketing activities. B)facilitates the ability to measure performance. C)increases the chance of accurate measurement. D)limits the amount of money to be spent on measurement.

Description : The time lag between the performance of marketing activities and their results A)limits the marketing manager's ability to measure the effectiveness of marketing activities. B)facilitates the ability to ... chance of accurate measurement. D)limits the amount of money to be spent on measurement.

Last Answer : A)limits the marketing manager's ability to measure the effectiveness of marketing activities.

The bridge most suited for accurate measurement of relative permittivity of dielectric materials is

Description : The bridge most suited for accurate measurement of relative permittivity of dielectric materials is (A) Carey Foster Bridge (B) Anderson’s bridge (C) Heaviside Bridge modified by Campbell. (D) Schering Bridge.

Last Answer : The bridge most suited for accurate measurement of relative permittivity of dielectric materials is Schering Bridge.

Accurate measurement of very low resistances is possible with

Description : Accurate measurement of very low resistances is possible with (A) Megger (B) Wheatstone Bridge (C) Kelvin’s Double Bridge (D) Wagner’s Earthing Device

Last Answer : Accurate measurement of very low resistances is possible with Kelvin’s Double Bridge

Name two methods for measurement of low, medium and high resistance. Give one advantage and one limitation of V- I method.

Description : Name two methods for measurement of low, medium and high resistance. Give one advantage and one limitation of V- I method.

Last Answer : Methods for measurement of low resistance:  1. Ammeter voltmeter method  2. Kelvin's bridge method  3. Ohm meter method  4. Potentiometer method  5. Digital/analog multi-meter ... must be infinity for perfectly accurate measurement which is not possible.  2. Connection errors.

There are five acquaintances. One of them shot and killed one of the other five. Which man is the murderer? 1. Dan ran in the NY City marathon yesterday with one of the innocent men. 2. Mike considered being a farmer before he moved to the city. 3. Jeff is a top-notch computer consultant and wants to install Ben's new computer next week. 4. The murderer had his leg amputated last month. 5. Ben met Jack for the first time six months ago. 6. Jack has been in seclusion since the crime. 7. Dan used to drink heavily. 8. Ben and Jeff built their last computers together. 9. The murderer is Jack's brother; they grew up together in Seattle. -Riddles

Description : There are five acquaintances. One of them shot and killed one of the other five. Which man is the murderer? 1. Dan ran in the NY City marathon yesterday with one of the innocent men. 2. Mike ... last computers together. 9. The murderer is Jack's brother; they grew up together in Seattle. -Riddles

Last Answer : 1. Jack is not the murderer, because he is the brother of the murderer. 2. Dan can't be the murderer since he ran a marathon, and the murderer recently had his leg amputated, and wouldn't ... must also be alive since Jeff plans to install Ben's computer next week. This means that Jeff killed Mike.

A pipe of length more than double the diameter of orifice fitted externally or internally to the orifice is called a (A) Notch (B) Weir (C) Mouthpiece (D) Nozzle

Description : A pipe of length more than double the diameter of orifice fitted externally or internally to the orifice is called a (A) Notch (B) Weir (C) Mouthpiece (D) Nozzle

Last Answer : Answer: Option C

Pick out the wrong statement. (A) The integral method of analysing kinetic data is used when the data is scattered (B) The differential method of analysing kinetic data requires more accurate or larger amounts of data (C) When the reaction rate is independent of temperature, the reaction is said to be of zero order (D) The ratio of volumes of plug flow reactor to that of mixed reactor is always less than one for identical feed composition, flow rate, conversion and for all positive reaction orders

Description : Pick out the wrong statement. (A) The integral method of analysing kinetic data is used when the data is scattered (B) The differential method of analysing kinetic data requires more accurate ... less than one for identical feed composition, flow rate, conversion and for all positive reaction orders

Last Answer : (C) When the reaction rate is independent of temperature, the reaction is said to be of zero order

What is the so-called "notch" on an iPhone?

Description : What is the so-called "notch" on an iPhone?

Last Answer : It is a small cutout in the screen, where the front facing camera is located. It is hated, because it reduces usable screen space at the top. Imagine a webcam on top of your monitor, but instead of being actually on top, it hangs down into the screen, obscuring part of it.

How do I release a screw whose head is flush with the surface and the notch is so worn down that the screwdriver can't make contact?

Description : How do I release a screw whose head is flush with the surface and the notch is so worn down that the screwdriver can't make contact?

Last Answer : Sometimes I have had success re- tapping the head of the screw. Using a hammer and screwdriver like a chisel. Also a but of wd-40 under the screw helps.

What would you call a top-notch detective -Riddles

Description : What would you call a top-notch detective -Riddles

Last Answer : super snooper

What Game Inspired Markus “Notch” Persson To Start Making Minecraft? -Gaming

Description : What Game Inspired Markus “Notch” Persson To Start Making Minecraft? -Gaming

Last Answer : Infiniminer is answer

What Is The Full Name Of Notch Who Created The Minecraft Game -Gaming

Description : What Is The Full Name Of Notch Who Created The Minecraft Game -Gaming

Last Answer : Markus A. Persson is ans

What is the top notch website host available?

Description : What is the top notch website host available?

Last Answer : Their basic shared hosting plans come with unlimited storage, bandwidth, free domain (for the first year), and a free SSL certificate. They also have great customer service, who connected through a live chat instantly and answered each question within a few seconds..is.gd/XFwnOV

A notch present on the medial side of kidney is known as

Description : A notch present on the medial side of kidney is known as

Last Answer : A notch present on the medial side of kidney is known as A. Ureter B. Pelvis C. Hilus D. Pyramid

A notch present on the inner medial side of kidney is option

Description : A notch present on the inner medial side of kidney is option

Last Answer : A notch present on the inner medial side of kidney is option A. Ureter B. Pelvis C. Hilus D. Pyramid

The notch on the centre of inner concave surface of kidney is

Description : The notch on the centre of inner concave surface of kidney is

Last Answer : The notch on the centre of inner concave surface of kidney is

The notch on the centre of inner concave surface of kidney is

Description : The notch on the centre of inner concave surface of kidney is

Last Answer : The notch on the centre of inner concave surface of kidney is

Trochlea of which bone fits in the sigmoid notch of ulna ?

Description : Trochlea of which bone fits in the sigmoid notch of ulna ?

Last Answer : Trochlea of which bone fits in the sigmoid notch of ulna ? A. Humerus B. Radius C. Femur D. Scaphid

The sigmoid notch is present in

Description : The sigmoid notch is present in

Last Answer : The sigmoid notch is present in A. Femur B. Tibio-fibula C. Humerus D. Radio-ulna

How did notch die?

Description : How did notch die?

Last Answer : Herobrine didn't actually die. He got removed, because he wasactually a mob. But the mob couldn't actually be in game unless youhack the game. The mob is called a human. They just wander and jumparound , but they are hostile.

How did notch die?

Description : How did notch die?

Last Answer : Herobrine didn't actually die. He got removed, because he wasactually a mob. But the mob couldn't actually be in game unless youhack the game. The mob is called a human. They just wander and jumparound , but they are hostile.

Corporate executives who work in top notch companies and travel to their offices in early morning in their air conditioned cars with tinted glasses spending their entire day in their cabins are prone to suffer from the deficiency of: (a) calcitonin (b) cynacobalamin (c) tocopherol (d) cholecalciferol.

Description : Corporate executives who work in top notch companies and travel to their offices in early morning in their air conditioned cars with tinted glasses spending their entire day in their cabins are prone ... from the deficiency of: (a) calcitonin (b) cynacobalamin (c) tocopherol (d) cholecalciferol.

Last Answer : Ans:(b)

_____ is an open-ended slot antenna A. Helical antenna B. Rhombic antenna C. Notch antenna D. Cassegrain antenna

Description : _____ is an open-ended slot antenna A. Helical antenna B. Rhombic antenna C. Notch antenna D. Cassegrain antenna

Last Answer : C. Notch antenna

Calculate fatigue stress concentration factor, when theoretical stress concentration factor is 1.62 and notch sensitivity is equal to 0.9 a. 1.558 b. 3.358 c. 1.162 d. None of the above

Description : Calculate fatigue stress concentration factor, when theoretical stress concentration factor is 1.62 and notch sensitivity is equal to 0.9 a. 1.558 b. 3.358 c. 1.162 d. None of the above

Last Answer : a. 1.558

Notch sensitivity (q) is given by the equation _______ where K f = fatigue stress concentration factor and K t = theoretical stress concentration factor a. ( K f + 1 ) / ( K t – 1 ) b. ( K f – 1 ) / ( K t – 1 ) c. ( K f + 1 ) / ( K t + 1 ) d. ( K f - 1 ) / ( K t + 1 )

Description : Notch sensitivity (q) is given by the equation _______ where K f = fatigue stress concentration factor and K t = theoretical stress concentration factor a. ( K f + 1 ) / ( K t – 1 ) b. ( K f – 1 ) / ( K t – 1 ) c. ( K f + 1 ) / ( K t + 1 ) d. ( K f - 1 ) / ( K t + 1 )

Last Answer : b. ( K f – 1 ) / ( K t – 1 )

The notch sensitivity q is expressed in terms of fatigue stress concentration factor Kf and theoretical stress concentration factor Kt as (A) (Kf + 1)/ (Kt + 1) (B) (Kf - 1)/ (Kt - 1) (C) (Kt + 1)/ (Kf + 1) (D) (Kt - 1)/ (Kf - 1)

Description : The notch sensitivity q is expressed in terms of fatigue stress concentration factor Kf and theoretical stress concentration factor Kt as (A) (Kf + 1)/ (Kt + 1) (B) (Kf - 1)/ (Kt - 1) (C) (Kt + 1)/ (Kf + 1) (D) (Kt - 1)/ (Kf - 1)

Last Answer : (B) (Kf - 1)/ (Kt - 1)

If the head over the triangular notch is doubled, the discharge will increase by __________ times. (A) 2 (B) 2.828 (C) 5.657 (D) 4

Description : If the head over the triangular notch is doubled, the discharge will increase by __________ times. (A) 2 (B) 2.828 (C) 5.657 (D) 4

Last Answer : (C) 5.657

What is the value of included angle of a triangular notch for maximum discharge? (A) 30° (B) 60° (C) 90° (D) 120°

Description : What is the value of included angle of a triangular notch for maximum discharge? (A) 30° (B) 60° (C) 90° (D) 120°

Last Answer : (C) 90°

08. The difference between the notch and weir is that the notch is of bigger size and the weir is of a smaller size. A) Agree B) Disagree

Description : 08. The difference between the notch and weir is that the notch is of bigger size and the weir is of a smaller size. A) Agree B) Disagree

Last Answer : B

An error of 1% in measuring head over the crest of the notch (H) will produce an error of __________ in discharge over a triangular notch, (A) 1 % (B) 1.5 % (C) 2 % (D) 2.5 %

Description : An error of 1% in measuring head over the crest of the notch (H) will produce an error of __________ in discharge over a triangular notch, (A) 1 % (B) 1.5 % (C) 2 % (D) 2.5 %

Last Answer : Answer: Option D

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