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

1 Answer

Answer :

(c) Forced vortex at the core and free vortex outside

Related questions

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

Last Answer : Need answer

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 : 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 : 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 : 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 : 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 : 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 : 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 : Shoulders for high traffic volume roads, should (A) Be stable throughout the year to be used by vehicles in the case of emergency (B) Support and protect the ends of carriage ways (C) Not allow entrance of water to sub-grade (D) All the above

Last Answer : Answer: Option D

Description : In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament ... is used for __________ fibres. (A) Polythene (B) PVC (C) Rayon (D) Polyvinyl acetate

Last Answer : (B) PVC

Description : In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb temperature of 70°F. In this case, the (A) Range is 15°F (B) Approach is 10°F (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)

Description : Pick out the wrong statement pertaining to the cooling towers. (A) In case of induced draft cooling tower, the fan is placed at the top of the tower (B) Effectiveness of ... Effectiveness of a mechanical draft cooling tower is reduced with increase in air wet-bulb temperature

Last Answer : (D) Effectiveness of a mechanical draft cooling tower is reduced with increase in air wet-bulb temperature

Description : In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb temperature of 70°F. In this case, the (A) Range is 15°F (B) Approach is 10°F (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)

Description : According to Bernoulli's equation for steady ideal fluid flow (A) Principle of conservation of mass holds (B) Velocity and pressure are inversely proportional (C) Total energy is constant throughout (D) The energy is constant along a streamline but may vary across streamlines

Last Answer : Answer: Option D

Description : Where do the electrical charges reside in a charged conductor? (1) at the core (2) throughout the body (3) depended upon the nature of the body (4) outer surface of the body

Last Answer : (4) outer surface of the body Explanation: In all conductors, charges reside on the surface. The reason for this is that conductors have free electrons, that is, the electrons are loosely ... field just, outside the conductor is perpendicular to the surface and that the field inside is zero.

Description : Where do the electrical charges reside in a charged conductor? (1) at the core (2) throughout the body (3) depended upon the nature of the body (4) outer surface of the body

Last Answer : (4) outer surface of the body Explanation: In all conductors, charges reside on the surface. The reason for this is that conductors have free electrons, that is, the electrons are loosely ... field just, outside the conductor is perpendicular to the surface and that the field inside is zero.

Description : Although saturable reactors are extremely useful in some applications, their gain is low because of ____________. A. core hysteresis losses B. inductive reactance in the control winding C. IR drop throughout the load winding D. all of the above

Last Answer : Answer: A

Description : Bulk of the convective heat transfer resistance from a hot tube surfaceto the fluid flowing in it, is (A) In the central core of the fluid (B) Uniformly distributed throughout the fluid (C) Mainly confined to a thin film of fluid near the surface (D) None of these

Last Answer : (C) Mainly confined to a thin film of fluid near the surface

Description : Where do the electrical charges reside in a charged conductor? (1) at the core (2) throughout the body (3) depended upon the nature of the body (4) outer surface of the body

Last Answer : outer surface of the body

Description : A phase out approach can be best described as : 1. allowing the product to decline without a change in the marketing strategy 2. exploiting any strengths left in the product 3. ... 4. intensifying marketing efforts in core markets 5. stopping production to get rid of material surplus

Last Answer : allowing the product to decline without a change in the marketing strategy

Description : EMD is best described by which statement? ∙ A. 70 percent of the core diameter and 70% of the fiber NA should be filled with light. ∙ B. 70 percent of the fiber diameter and 70% of the ... be measured at the output. ∙ D. 70 percent of the unwanted wavelengths should be attenuated by the fiber.

Last Answer : 70 percent of the core diameter and 70% of the fiber NA should be filled with light.

Description : A phase out approach can be best described as : A)allowing the product to decline without a change in the marketing strategy B)exploiting any strengths left in the product C)immediately dropping the product from the product mix D)intensifying marketing efforts in core markets

Last Answer : A)allowing the product to decline without a change in the marketing strategy

Description : Lever Bros. markets a number of different brands of laundry detergents including Radion, Persil Power, Persil Colour and Surf. Each of these specific versions of laundry detergents can be described as: A)a product item B)a product line C)a core product D)a mix item

Last Answer : A)a product item

Description : How do I care for an amaryllis bulb after forced winter flowering until it is warm enough to plant outside?

Last Answer : We take it out of water and trim it and let it go dormant and keep it in a dark, cool place until June when we plant it outside. Ours is about 8 years old.

Description : The deficiency in rain catch due to vertical acceleration of air forced upward over the gauge, is (A) Greater for heavy rain (B) Greater for lighter rain (C) Greater for large drops (D) Lesser for small rain drops

Last Answer : Answer: Option B

Description : A solid core of rock is formed inside the cylinder in the case of (A) Auger boring (B) Percussion drilling (C) Diamond drilling (D) Wash boring

Last Answer : Answer: Option C

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.

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

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

Last Answer : All of the above

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 : A copper rod which is 1 centimeter in diameter carries a current of 5 amps. The current is distributed uniformly throughout the rod. The magnetic field half way between the axis of the rod and its ... ) zero. x) pointing radially outward y) pointing radially inward z) circles the axis of the rod

Last Answer : ANSWER: Z -- CIRCLES THE AXIS OF THE ROD

Description : What were the circumstances during the Second World War which forced the National leaders to launch the Quit India Movement? -SST 10th

Last Answer : During the Second World War, there was a growing threat of Japanese invasion on India. The Congress leaders were of the view that to save India from the Japanese attack it was necessary that the British withdrew from India.

Description : What was the name given to the forced movement of Indians out of the forced movement of Indians out of the south?

Last Answer : It has been called the Trail of Tears.

Description : Movement of people from a village to a small town and later to a city is known as : (1) infra-state migration (2) step-wise migration (3) inter-state migration (4) forced migration

Last Answer : (2) step-wise migration Explanation: Step wise migration refers to a type of migration which occurs in a series of movements, for example, moving to a town larger than the home town, but not directly to one of the city regions. It is an important subcomponent of the urbanward drift of people.