In isotropic turbulence, the __________ are equal to each other. (A) Temporal velocity components (B) Mean square of velocity fluctuations in the three co-ordinate directions (C) Root mean square of velocity fluctuations in the three co-ordinate directions (D) None of these

In isotropic turbulence, the __________ are equal to each other.
(A) Temporal velocity components
(B) Mean square of velocity fluctuations in the three co-ordinate directions
(C) Root mean square of velocity fluctuations in the three co-ordinate
directions
(D) None of these
by

1 Answer

Answer :

(B) Mean square of velocity fluctuations in the three co-ordinate directions
by

Related questions

Isotropic turbulence occurs (A) Where there is no velocity gradient (B) At higher temperatures (C) Only in Newtonian fluids (D) None of theseIsotropic turbulence occurs(A) Where there is no velocity gradient(B) At higher temperatures(C) Only in Newtonian fluids(D) None of these

Description : Isotropic turbulence occurs (A) Where there is no velocity gradient (B) At higher temperatures (C) Only in Newtonian fluids (D) None of these

Last Answer : (A) Where there is no velocity gradient

Isotropic materials have the same __________ in all directions. (A) Induced stresses (B) Density (C) Elastic properties (D) Thermal properties

Description : Isotropic materials have the same __________ in all directions. (A) Induced stresses (B) Density (C) Elastic properties (D) Thermal properties

Last Answer : C) Elastic properties

In a multipass shell and tube heat exchanger, tube side return pressure loss is equal to __________ the velocity head. (A) Twice (B) Four times (C) Square root of (D) Square of

Description : In a multipass shell and tube heat exchanger, tube side return pressure loss is equal to __________ the velocity head. (A) Twice (B) Four times (C) Square root of (D) Square of

Last Answer : (B) Four times

For a ternary mixture, in which equilateral triangular co-ordinate is used in leaching and extraction, a __________ of the equilateral triangular co-ordinates. (A) Binary mixture is represented by the apex (B) Binary mixture is represented by any point inside (C) Ternary mixture is represented by the sides (D) Pure component is represented by the apex

Description : For a ternary mixture, in which equilateral triangular co-ordinate is used in leaching and extraction, a __________ of the equilateral triangular co-ordinates. (A) Binary mixture is ... Ternary mixture is represented by the sides (D) Pure component is represented by the apex

Last Answer : (D) Pure component is represented by the apex

What antenna radiates equally in all directions? A. Vertical antenna B. isotropic antenna C. Horizontal antenna D. Dipole antenna

Description : What antenna radiates equally in all directions? A. Vertical antenna B. isotropic antenna C. Horizontal antenna D. Dipole antenna

Last Answer : B. isotropic antenna

What optical source radiates light uniformly in all directions? A. Isotropic source B. Lambertian source C. Voltage source D. Ideal source

Description : What optical source radiates light uniformly in all directions? A. Isotropic source B. Lambertian source C. Voltage source D. Ideal source

Last Answer : B. Lambertian source

The materials which have the same elastic properties in all directions, are called (A) Isotropic (B) Brittle (C) Homogeneous (D) Hard

Description : The materials which have the same elastic properties in all directions, are called  (A) Isotropic  (B) Brittle  (C) Homogeneous  (D) Hard 

Last Answer : (A) Isotropic 

While propagating through homogeneous, isotropic media, (A) Directions of both the fields are orthogonal (B) Both the fields are at right angles to the direction of propagation (C) Both (a) and (b) (D) Neither (a) nor (b)

Description : While propagating through homogeneous, isotropic media, (A) Directions of both the fields are orthogonal (B) Both the fields are at right angles to the direction of propagation (C) Both (a) and (b) (D) Neither (a) nor (b)

Last Answer : Answer: Option C

In a simple bending theory, one of the assumption is that the material of the beam is isotropic. This assumption means that the a. normal stress remains constant in all directions b. normal stress varies linearly in the material c. elastic constants are same in all the directions d. elastic constants varies linearly in the material

Description : In a simple bending theory, one of the assumption is that the material of the beam is isotropic. This assumption means that the a. normal stress remains constant in all directions b. ... c. elastic constants are same in all the directions d. elastic constants varies linearly in the material

Last Answer : c. elastic constants are same in all the directions

If a material has identical properties in all directions, it is called (a) Elastic (b) Plastic (c) Isotropic (d) Homogeneous

Description : If a material has identical properties in all directions, it is called (a) Elastic (b) Plastic (c) Isotropic (d) Homogeneous

Last Answer : (c) Isotropic

In Newton's law range, the terminal velocity of a solid spherical particle falling through a stationary fluid mass varies as the __________ of its diameter. (A) Inverse (B) Square root (C) Second power (D) First power

Description : In Newton's law range, the terminal velocity of a solid spherical particle falling through a stationary fluid mass varies as the __________ of its diameter. (A) Inverse (B) Square root (C) Second power (D) First power

Last Answer : (B) Square root

In the Newton's law range, the terminal velocity of a solid spherical particle falling through a stationary fluid mass is __________ the fluid viscosity. (A) Directly proportional to (B) Inversely proportional to (C) Inversely proportional to the square root of (D) Independent of

Description : In the Newton's law range, the terminal velocity of a solid spherical particle falling through a stationary fluid mass is __________ the fluid viscosity. (A) Directly proportional to (B) Inversely proportional to (C) Inversely proportional to the square root of (D) Independent of

Last Answer : (B) Inversely proportional to

The fluid velocity varies as the square root of the cylindrical pipe diameter in case of steady state laminar flow at constant pressure drop of __________ fluid. (A) Dilatent (B) Pseudo-plastic (C) Bingham plastic (D) Newtonian

Description : The fluid velocity varies as the square root of the cylindrical pipe diameter in case of steady state laminar flow at constant pressure drop of __________ fluid. (A) Dilatent (B) Pseudo-plastic (C) Bingham plastic (D) Newtonian

Last Answer : (A) Dilatent

Use of transverse baffles in a shell and tube heat exchanger is done to increase the (A) Rate of heat transfer (B) Flow velocity (C) Turbulence of shell side fluid (D) All (A), (B) and (C)

Description : Use of transverse baffles in a shell and tube heat exchanger is done to increase the (A) Rate of heat transfer (B) Flow velocity (C) Turbulence of shell side fluid (D) All (A), (B) and (C)

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

A six co-ordinate complex has the formula `CoCl_(3).5NH_(3).H_(2)O`. Electrical coductance measurements indicate the presence of three ions in one for

Description : A six co-ordinate complex has the formula `CoCl_(3).5NH_(3).H_(2)O`. Electrical coductance measurements indicate the presence of three ions in one for

Last Answer : A six co-ordinate complex has the formula `CoCl_(3).5NH_(3).H_(2)O`. Electrical coductance measurements indicate the ... complex? A. 3 B. 2 C. 4 D. 1

Given that the area of a figure varies as square of mean ordinate. The area of the figure is 154 sq. cm when the mean ordinate is 7 cm. The area of the figure when mean ordinate is 10.5 cm will be a.364.9 cm b.364.5 cm c.360.6 cm d.346.5 cm e.356.3 cm

Description : Given that the area of a figure varies as square of mean ordinate. The area of the figure is 154 sq. cm when the mean ordinate is 7 cm. The area of the figure when mean ordinate is 10.5 cm will be a.364.9 cm b.364.5 cm c.360.6 cm d.346.5 cm e.356.3 cm

Last Answer : d. 346.5 cm

What do you mean by Co-ordinate Geometry? -Maths 9th

Description : What do you mean by Co-ordinate Geometry? -Maths 9th

Last Answer : (a) \(rac{2^n}{5^n}\)In any number the last digits can 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9. Therefore, the last digit of each number can be chosen in 10 ways. ∴ Exhaustive number of ways = 10n. If the ... , favourable number of ways = 4n ∴ Required probability = \(rac{4^n}{10^n}\) = \(rac{2^n}{5^n}\).

What do you mean by Co-ordinates (Abscissa and Ordinate)? Explain with figure. -Maths 9th

Description : What do you mean by Co-ordinates (Abscissa and Ordinate)? Explain with figure. -Maths 9th

Last Answer : Co-ordinate Geometry is that branch of geometry in which two numbers, called co-ordinates are used to indicate the position of a point in a plane and which make use of algebraic methods in the study of geometric figures.

The Reynold's number of a ship is __________ to its velocity and length. (A) Directly proportional (B) Inversely proportional (C) Square root of velocity (D) None of these

Description : The Reynold's number of a ship is __________ to its velocity and length. (A) Directly proportional (B) Inversely proportional (C) Square root of velocity (D) None of these

Last Answer : Answer: Option A

Volumetric efficiency is affected by (A) Turbulence velocity and temperature of intake manifold (B) Efficiency of exhaust stroke (C) Valve timing overlap (D) All the above

Description : Volumetric efficiency is affected by (A) Turbulence velocity and temperature of intake manifold (B) Efficiency of exhaust stroke (C) Valve timing overlap (D) All the above

Last Answer : (D) All the above

Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases. (A) Chemical properties (B) Physical properties (C) Degree of turbulence (D) Interfacial area

Description : Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases. (A) Chemical properties (B) Physical properties (C) Degree of turbulence (D) Interfacial area

Last Answer : (A) Chemical properties

Co-efficient of velocity is __________ the coefficient of discharge. (A) Less than (B) More than (C) Equal to (D) Not related to

Description : Co-efficient of velocity is __________ the coefficient of discharge. (A) Less than (B) More than (C) Equal to (D) Not related to

Last Answer : (B) More than

A flywheel is used, (A) To limit the fluctuations of speed during each cycle (B) To control the mean speed of the engine (C) To maintain a constant speed (D) To come into action when the speed varies

Description : A flywheel is used, (A) To limit the fluctuations of speed during each cycle (B) To control the mean speed of the engine (C) To maintain a constant speed (D) To come into action when the speed varies

Last Answer : (A) To limit the fluctuations of speed during each cycle

Any convenient co-ordinate system or Cartesian co-ordinates which can be usedto define the picture is called a.spherical co-ordinates b.vector co-ordinates c.viewport co-ordinates d.world co-ordinates

Description : Any convenient co-ordinate system or Cartesian co-ordinates which can be usedto define the picture is called a.spherical co-ordinates b.vector co-ordinates c.viewport co-ordinates d.world co-ordinates

Last Answer : d.world co-ordinates

By changing the dimensions of the viewport, the and ofthe objects being displayed can be manipulated. a.Number of pixels and image quality b.X co-ordinate and Y co-ordinate c.Size and proportions d.All of these

Description : By changing the dimensions of the viewport, the and ofthe objects being displayed can be manipulated. a.Number of pixels and image quality b.X co-ordinate and Y co-ordinate c.Size and proportions d.All of these

Last Answer : c.Size and proportions

The window opened on the raster graphics screen in which the image will bedisplayed is called a.World co-ordinate system b.Screen co-ordinate system c.World window d.Interface window

Description : The window opened on the raster graphics screen in which the image will bedisplayed is called a.World co-ordinate system b.Screen co-ordinate system c.World window d.Interface window

Last Answer : d.Interface window

What is the rectangle in the world defining the region that is to be displayed? a.World co-ordinate system b.Screen co-ordinate system c.World window d.Interface window

Description : What is the rectangle in the world defining the region that is to be displayed? a.World co-ordinate system b.Screen co-ordinate system c.World window d.Interface window

Last Answer : c.World window

What is the name of the space in which the image is displayed? a.World co-ordinate system b.Screen co-ordinate system c.World window d.Interface window

Description : What is the name of the space in which the image is displayed? a.World co-ordinate system b.Screen co-ordinate system c.World window d.Interface window

Last Answer : b.Screen co-ordinate system

The object space or the space in which the application model is defined is called a.World co-ordinate system b.Screen co-ordinate system c.World window d.Interface window

Description : The object space or the space in which the application model is defined is called a.World co-ordinate system b.Screen co-ordinate system c.World window d.Interface window

Last Answer : a.World co-ordinate system

Which of this is compulsory for 2D reflection? a.Reflection plane. b.Origin c.Reflection axis d.Co-ordinate axis.

Description : Which of this is compulsory for 2D reflection? a.Reflection plane. b.Origin c.Reflection axis d.Co-ordinate axis.

Last Answer : c.Reflection axis

Find the co-ordinate where the equation 2x + 3y = 6 intersects x-axis. -Maths 9th

Description : Find the co-ordinate where the equation 2x + 3y = 6 intersects x-axis. -Maths 9th

Last Answer : Solution :-

Write the linear equation represented by line AB and PQ. Also find the co-ordinate of intersection of line AB and PQ. -Maths 9th

Description : Write the linear equation represented by line AB and PQ. Also find the co-ordinate of intersection of line AB and PQ. -Maths 9th

Last Answer : Solution :-

Draw the graph of the equation 3x + 4y = 12 and find the co-ordinates of the points of intersection of the equation with the co-ordinate axes. -Maths 9th

Description : Draw the graph of the equation 3x + 4y = 12 and find the co-ordinates of the points of intersection of the equation with the co-ordinate axes. -Maths 9th

Last Answer : Solution :-

Draw the bar graph of linear equation whose solution are represented by the points having difference the co-ordinate as 25 units -Maths 9th

Description : Draw the bar graph of linear equation whose solution are represented by the points having difference the co-ordinate as 25 units -Maths 9th

Last Answer : This answer was deleted by our moderators...

If (–5, 4) divides the line segment between the co-ordinate axes in the ratio 1 : 2, then what is its equation ? -Maths 9th

Description : If (–5, 4) divides the line segment between the co-ordinate axes in the ratio 1 : 2, then what is its equation ? -Maths 9th

Last Answer : (d) x = yThe equations of the given lines are: 4x + 3y = 12 ...(i) 3x + 4y = 12 ...(ii) Solving the simultaneous equations (i) and (ii), we get\(x\) = \(rac{12}{7}\), y = \(rac{12}{7}\)∴ Point of the ... )isy - 0 = \(\bigg(rac{rac{12}{7}-0}{rac{12}{7}-0}\bigg)\) (x - 0), i.e., y = x.

The straight line ax + by + c = 0 and the co-ordinate axes form an isosceles triangle under which of the following conditions ? -Maths 9th

Description : The straight line ax + by + c = 0 and the co-ordinate axes form an isosceles triangle under which of the following conditions ? -Maths 9th

Last Answer : (a) | a | = | b | The equation of line AB, i.e., ax + by + c = 0 in intercept form is ax + by = - c⇒ \(rac{x}{\big(-rac{c}{a}\big)}\) + \(rac{x}{\big(-rac{c}{b}\big)}\) = 1Δ AOB is isosceles Δ if OA = OB, i.e., ... \(rac{-c}{a}\) = \(rac{-c}{a}\) ⇒ \(rac{1}{a}\) = \(rac{1}{a}\) ⇒ | a | = | b |.

A particle moves along the curve `6y = x^3 + 2`. Find the points on the curve at which y-co-ordinate is changing 8 times as fast as the x-co-ordinate.

Description : A particle moves along the curve `6y = x^3 + 2`. Find the points on the curve at which y-co-ordinate is changing 8 times as fast as the x-co-ordinate.

Last Answer : A particle moves along the curve `6y = x^3 + 2`. Find the points on the curve at which y-co-ordinate is changing 8 times as fast as the x-co-ordinate.

Which of the following compounds has ionic bond. `pi-`bond, co-ordinate bond and covalent bond:-

Description : Which of the following compounds has ionic bond. `pi-`bond, co-ordinate bond and covalent bond:-

Last Answer : Which of the following compounds has ionic bond. `pi-`bond, co-ordinate bond and covalent bond:- A. `HNO_(2)` B. `NaNO_(3)` C. `KNO_(2)` D. `MgCl_(2)`

In a cartesian co-ordinate system, the coordinates of two points P and Q are (2, 4, 4) and (-2, -3, 7) respectively

Description : In a cartesian co-ordinate system, the coordinates of two points P and Q are (2, 4, 4) and (-2, -3, 7) respectively

Last Answer : In a cartesian co-ordinate system, the coordinates of two points P and Q are (2, 4, 4) ... find \(\overset\longrightarrow{PQ}\) and its magnitude.

In relation to the State Government, local government exercises : (1) Co-ordinate Authority (2) Delegated Authority (3) Superior Authority (4) Independent Authority

Description : In relation to the State Government, local government exercises : (1) Co-ordinate Authority (2) Delegated Authority (3) Superior Authority (4) Independent Authority

Last Answer : (2) Delegated Authority Explanation: In the Indian context, local government has only a derivative and not an independent authority. Its powers and functions are determined by the State Legislature. So among the given options, delegated authority is the most appropriate.

Mark the compound which posses ionic, covalent and co–ordinate bond:

Description : Mark the compound which posses ionic, covalent and co–ordinate bond:

Last Answer : NH4Cl

Co-ordinate coupling is an example of A. Single Degree of Freedom System B. Several Degree of Freedom System C. Two Degree of Freedom System D. None

Description : Co-ordinate coupling is an example of A. Single Degree of Freedom System B. Several Degree of Freedom System C. Two Degree of Freedom System D. None

Last Answer : C. Two Degree of Freedom System

The retailer is usually in an excellent position to 1. make the most profits in the channel 2. be the channel leader 3. gain feedback from consumers 4. co-ordinate the production strategy 5. none of these

Description : The retailer is usually in an excellent position to 1. make the most profits in the channel 2. be the channel leader 3. gain feedback from consumers 4. co-ordinate the production strategy 5. none of these

Last Answer : gain feedback from consumers

The orthographical projection of a traverse leg upon the reference meridian, is known as (A) Departure of leg (B) Latitude to the leg (C) Co-ordinate of the leg (D) Bearing of the leg

Description : The orthographical projection of a traverse leg upon the reference meridian, is known as (A) Departure of leg (B) Latitude to the leg (C) Co-ordinate of the leg (D) Bearing of the leg

Last Answer : (B) Latitude to the leg

The co-ordinate of a point measured perpendicular to the parallel, is called (A) Total latitude (B) Meridian distance (C) Total departure (D) Consecutive co-ordinate

Description : The co-ordinate of a point measured perpendicular to the parallel, is called (A) Total latitude (B) Meridian distance (C) Total departure (D) Consecutive co-ordinate

Last Answer : (A) Total latitude

................ is the ability of multiple process to co-ordinate their activities by exchange of information A) Synchronization B) Mutual Exclusion C) Dead lock D) Starvation

Description : ................ is the ability of multiple process to co-ordinate their activities by exchange of information A) Synchronization B) Mutual Exclusion C) Dead lock D) Starvation

Last Answer : A) Synchronization

Marketing planning is a continuous process because A)marketing activities must parallel those of competitors. B)the time frame of plans must co -ordinate with the time frame of marketing controls. C)to have effective control, new control processes must be introduced. D)plans must be changed as forces in the marketing environment change. E)marketing managers tend to develop marketing myopia and focus on short -term plans.

Description : Marketing planning is a continuous process because A)marketing activities must parallel those of competitors. B)the time frame of plans must co -ordinate with the time frame of marketing controls. C ... change. E)marketing managers tend to develop marketing myopia and focus on short -term plans.

Last Answer : E)marketing managers tend to develop marketing myopia and focus on short -term plans.

The retailer is usually in an excellent position to A)make the most profits in the channel. B)be the channel leader. C)gain feedback from consumers. D)co -ordinate the production strategy.

Description : The retailer is usually in an excellent position to A)make the most profits in the channel. B)be the channel leader. C)gain feedback from consumers. D)co-ordinate the production strategy.

Last Answer : C)gain feedback from consumers.

Explain absolute and incremental co-ordinate systems, with suitable example.

Description : Explain absolute and incremental co-ordinate systems, with suitable example. 

Last Answer : 1. Absolute Co- ordinate system: In Cartesian co ordinate geometry system using absolute measurement. Each point is always specified using same zero of given co ordinate system as shown in fig. It is ... to the system as a distance increment, measured from preceding point. Example:    

What is homogeneous co-ordinate? Why is it required?

Description : What is homogeneous co-ordinate? Why is it required?

Last Answer : Homogeneous coordinates are another way to represent points to simplify the way in which we express affine transformations. Normally, book-keeping would become tedious when affine transformations of ... 3D graphics hardware can be specialized to perform matrix multiplications on 4x4 matrices.