1 Answer

Answer :

we learned that at school, but I wasn't anywhere to verify it, so I can only believe it ...

Related questions

Description : In a free vortex, the (A) Velocity changes linearly with radial distance (B) Flow is necessarily rotational (C) Radial component of velocity is same everywhere (D) Stream lines are not circular

Last Answer : (A) Velocity changes linearly with radial distance

Description : In a free vortex motion, the radial component of velocity everywhere is (A) Maximum (B) Minimum (C) Zero (D) Nonzero and finite

Last Answer : Answer: Option C

Description : In a forced vortex, the velocity of flow everywhere within the fluid is (A) Maximum (B) Minimum (C) Zero (D) Nonzero finite

Last Answer : Answer: Option D

Description : Who can teach me how to find the Volume number and Issue number of “Numerical simulation of three dimensional cavitation shedding dynamics with special emphasis on cavitation–vortex interaction”?

Last Answer : Google it. \ http://www.sciencedirect.com/science/article/pii/S0029801814001838

Description : Is "Polar Vortex" a new term to stoke up weather hysteria?

Last Answer : 20 years from now it will be called a “Solar Ice Stream”.

Description : Explain the difference between vortex friction and vortex friction ?

Last Answer : The friction that occurs when an object tries to slip or rub on the surface of another object, that is, when it moves, and the friction that acts against the motion when an object rolls ... to cyclic friction. Undoubtedly, the value of rotational friction is much lower than that of bismuth friction.

Description : What is a good science fair project hypothesis using tornado vortex aka tornado in a bottle?

Last Answer : Need answer

Description : The current spell of cold wave in the US has been a fall out of the : (1) polar vortex (2) biodiversity and habitats (3) climate and energy (4) political administration

Last Answer : (1) polar vortex Explanation: The 2013-14 North American cold wave was caused by southward shifts of the North Polar Vortex. On December 1, 2013, the weakening of the polar vortex led to the beginning of an abnormally cold trend in the Eastern and Central United States.

Description : During agitation of liquids, the (A) Froude number is independent for the curves between power number and Reynolds number in baffled system (B) Power number becomes independent of impellers Reynolds number at high Reynolds number, ... , the centre vortex) on the power number (D) All (A), (B) and (C)

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

Description : Pick out the wrong statement about cavitation. (A) Sudden reduction of pressure in a fluid flow system caused by flow separation, vortex formation or abrupt closing of valve leads to cavitation ... (D) Large scale cavitation cannot damage pipeline, restrict fluid flow and damage steam turbine blades

Last Answer : (D) Large scale cavitation cannot damage pipeline, restrict fluid flow and damage steam turbine blades

Description : Baffles in mixing tanks are provided to (A) Reduce swirling and vortex formation (B) Increase the structural strength of the tank (C) Aid in rotational flow (D) None of these

Last Answer : (A) Reduce swirling and vortex formation

Description : Pick out the correct statement. (A) A forced vortex occurs when fluid rotates as a solid about an axis (B) In laminar flow, Newton's law of viscosity does not apply (C) A free vortex occurs, when fluid rotates as a solid (D) In turbulent flow, there are neither cross-currents nor eddies

Last Answer : (A) A forced vortex occurs when fluid rotates as a solid about an axis

Description : Froude number is not a factor (A) For Reynolds number greater than 300 (B) When there is no vortex formation (C) For unbaffled tank (D) None of these

Last Answer : (B) When there is no vortex formation

Description : The flow of water through the hole in the bottom of a wash basin is an example of (A) Steady flow (B) Uniform flow (C) Free vortex (D) Forced vortex

Last Answer : Answer: Option C

Description : Flow occurring in a pipeline when a valve is being opened is (A) Steady (B) Unsteady (C) Laminar (D) Vortex

Last Answer : Answer: Option B

Description : The tangential velocity of the water element having a free vortex is (A) Directly proportional to its distance from the centre (B) Inversely proportional to its distance from the centre (C) Directly ... (distance)2 from the centre (D) Inversely proportional to its (distance)2 from the centre

Last Answer : Answer: Option B

Description : When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as (A) Steady flow (B) Turbulent flow (C) Vortex flow

Last Answer : Answer: Option C

Description : Pick up the correct statement from the following: (A) The maritime structures should be designed to withstand wave motion of air (B) The wind vortex results in conical depression in the air surface (C) A tube of air rotating at hundreds of kilometres per hour forms a tornado (D) all of the above

Last Answer : (D) all of the above

Description : What Is Remote Mount With Mta Option? (in Case Of Dual Sensor Vortex Flowmeter, Rosemount Has Written In Its Catalog Drawings)?

Last Answer : Remote mount with MTA means MTA connector for mounting remote connection. MTA is the Connector used for connection. Generally we called it MTA Connector. There are many types of MTA connector such as MTA 100connectors, Mta 156 connectors etc.

Description : Nozzle consists of components a) Washer b) Vortex plate c) Strainer d) All of the above

Last Answer : All of the above

Description : The movement of air mass in the case of Tornado can be described as : (a) Forced vortex throughout (b) free vortex throughout (c) Forced vortex at the core and free vortex outside (d) Free vortex at the core and forced vortex outside

Last Answer : (c) Forced vortex at the core and free vortex outside

Description : Singing of telephone wires in the wind occurs due to : (a) Vibrations caused by birds as they sit on or get off, the wires (b) Tensioning at the ends (c) Magnus effect (d) Generation of Karman Vortex street

Last Answer : (d) Generation of Karman Vortex street

Description : Under what circumstances are vortex flowmeters the most accurate?

Last Answer : The accuracy of vortex flowmeters can be within 1% so long as they’re being operating within their recommended flow range, have a steady stream, and you have 10 pipe diameters of straight pipe behind the in front of the flowmeters. Outside of these parameters, these flowmeters are not accurate.

Description : Which of the following conditions is worst with regard to wake vortex turbulence? a. Lights winds near the surface b. Strong winds near the surface c. Marked vertical wind shear d. Marked atmospheric turbulence near the ground

Last Answer : a. Lights winds near the surface

Description : When Sally buys Vortex using a channel with only one intermediary, that intermediary is classified as a A)retailer. B)wholesaler. C)broker. D)functional middleman. E)producer.

Last Answer : A)retailer.

Description : List the various equipment’s used for liquid mixing and explain how vortex formation can be avoided in liquid mixing. 

Last Answer : Equipment used for mixing of liquid:  1. Propeller mixture. 2. Turbine Mixture. 3. Paddle mixture. Vortex formation can be avoided in liquid mixing by making the following changes in the position of the ... the side of vessels. 4. Using push pull propeller. 5. Using baffles.

Description : The current spell of cold wave in the US has been a fall out of the : (1) polar vortex (2) biodiversity and habitats (3) climate and energy (4) political administration

Last Answer :  polar vortex

Description : Vortex tube refrigeration

Last Answer : Vortex tube refrigeration Working: - Vortex tube is simple device of producing cold. A compressed air is passed tangentially through nozzle. Here air velocity increases due to expansion and ... the diaphragm hole into the cold side, while hot stream is passed through the opening valve.

Description : Apple's iPad costs the same everywhere; why isn't this price fixing and a violation of anti-trust laws?

Last Answer : In Australia the assorted apple resellers often have specials or sales. And there are some stores that will give a discount if you pay cash or if you belong to the local MUG. So I assume it is a suggested retail price and it is up to the individual dealers how much of a margin they want.

Description : Are there gnats everywhere in the woods or are the same gnats following me?

Last Answer : They’ll hang around you, but the whole forest is filled with them. Light a cigarette and they’ll all disappear.

Description : I surround you but I'm not clothes. I am everywhere but I don't take up space. I'm not always here, yet you can use a man-made form of me. I can go through glass but the glass will look just the same. What am I? -Riddles

Last Answer : Light.

Description : Do you look at the same passwords for all your accounts? email, paypal, dating ....

Last Answer : I take different ones everywhere. If someone steals your password, he would get into all services. The downside is remembering so many passwords.

Description : If I go to mushrooms in Poland, for example, can I also find a mushroom?

Last Answer : In Poland, yes. Mushrooms grow according to suitable conditions, they are not interested in states, but in climate zones and conditions. So it is not possible to say that the same mushrooms grow everywhere in the world.

Description : I don't know if it's better to have the same password for everything (email, ftp, facebook, google +, youtube) or different for everyone. The advantage is that you only remember one thing, but then when someone comes to it, they have a password for everything.

Last Answer : Well, not really. I have it written down, but I'm starting to have nice hockey in those slogans. I think that on websites where it doesn't matter so much (Youtube, e-shops ...), I'll change my ... up with my password? The cat can't read much and in my doodles the robbers wouldn't know anyway :-)

Description : Is the water cycle occurring the same way everywhere at the same time?

Last Answer : The water cycle will forever go round and round.

Description : The weight of a body is 1. same everywhere on the surface of the earth 2. maximum at the poles 3. maximum at the equator 4. less on the hills than in the plains Which of the above statements is/are correct? (a) 1 only (b) 2 and 4 (c) 3 and 4 (d) None

Last Answer : Ans:(b)

Description : In turbulent flow, a rough pipe has the same friction factor as a smooth pipe (A) In the zone of complete turbulence (B) When the roughness projections are much smaller than the thickness of ... ) Everywhere in the transition zone (D) When the friction factor is independent of the Reynold's number

Last Answer : (B) When the roughness projections are much smaller than the thickness of the laminar film

Description : Let's say we are flying over a large, flat part of Africa. Half of the area is hotter than the other half. The surface pressure is 1000 hPa everywhere. If we fly over at an elevation ... reads the same pressure everywhere. (d) The gauge varies with the latitude and the temperature of the surface.

Last Answer : (a) The cold part.

Description : It has been said that the universe will die an "entropy death". This means that: w) the universe will eventually explode. x) the universe will be at the same temperature everywhere. y) the universe will collapse into a black hole. z) matter and antimatter will never combine.

Last Answer : ANSWER: X -- THE UNIVERSE WILL BE AT THE SAME TEMPERATURE EVERYWHERE.  

Description : Is it everywhere in USA, that an interviewer can’t ask a job seeker if she’s planning to get pregnant?

Last Answer : It’s not against Federal law but it’s a slippery slope. Personally, I think it is gender discrimination.

Description : Larov's speech walkout headlines are everywhere, but where's the video of the full speech?

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Description : Are there health dangers to having so many cell phone towers and wi-fi connnections everywhere?

Last Answer : No. Your first link goes to a clickbait conspiracy theory scientific woo website. Cutting and pasting from the first two paragraphs: Science tells us that everything is energy and that matter is nothing more ... from solar radiation and b) Get hit by a car because you're looking at your celphone.

Description : I feel a little bit sorry for Ivanka Trump, who has to wear her paternity on her face everywhere she goes. Who is the unlikely target of a modicum of your sympathy?

Last Answer : Beaker from the Muppet show. He got a raw deal.

Description : I'm seeing coconut oil for sale everywhere. Have you used it for cooking and do you believe coconut oil to be a fad or a trend with staying power?

Last Answer : If you are old school like me and cook popcorn in a stock pot on the stove try using coconut oil. Mind=blown. You want to use unrefined and I’d treat it like butter. I’m a olive oil guy myself.

Description : What is the pupose of the Cancer warning signs posted almost everywhere.in California?

Last Answer : answer:Nanny state. Some lobbying group back in 1985 decided that people needed to be warned about things they might come in contact with. So they got a law passed, which is entirely stupid and ineffective. Read all about it(1986)

Description : Truly a sad day for Rock fans everywhere - join me in saying goodbye to Gary Ross Dahl! Wasn't he one of the greats?

Last Answer : Do not scare my like that. I first thought you meant Dwayne “The Rock” Johnson. THAT would have been a tragedy.

Description : Will you be visiting Georgia now with it's "Guns Everywhere" Bill?

Last Answer : answer:Well, I live in Georgia, so there's no escape. To answer your second question: NO - tourism was not taken into account. This was propelled by the right wing legislators following the conservative ... be carrying. My guess is that except for a few rowdy assholes, not much will really change.

Description : Hi, can anyone please identify this 'insect'? I've searched everywhere online and can't find anything that looks like it. I found it on my bed and it really does look odd.

Last Answer : answer:A link to a picture would be good. Right now it’s what we call a “no-see-um”.

Description : Is this going on everywhere and I'm just now hearing about it?

Last Answer : I hadn’t, and I didn’t know. I’m in California.

Description : "Parent gets into fist fight with coaches when child doesn't get enough playing time in midget league football game." Does this happen everywhere?

Last Answer : answer:It happens more often than we'd like to see. About 14 years ago I was the commissioner of a youth soccer league in Michigan with about 1200 kids (at the time; it has probably grown since then). But ... as many as can fit on the field at a time!) just bouncing off each other and having a ball.