Reynold's number is the ratio of the inertia force to the (A) Surface tension force (B) Viscous force (C) Gravity force (D) Elastic force

Reynold's number is the ratio of the inertia force to the
(A) Surface tension force
(B) Viscous force
(C) Gravity force
(D) Elastic force
by

1 Answer

Answer :

Answer: Option B
by

Related questions

Select the correct statement (A) Weber's number is the ratio of inertia force to elastic force. (B) Weber's number is the ratio of gravity force to surface tension force. (C) Weber's number is the ratio of viscous force to pressure force. (D) Weber's number is the ratio of inertia force to surface tension force.

Description : Select the correct statement (A) Weber's number is the ratio of inertia force to elastic force. (B) Weber's number is the ratio of gravity force to surface tension force. (C) Weber's number ... force to pressure force. (D) Weber's number is the ratio of inertia force to surface tension force.

Last Answer : Answer: Option D

Reynold's number is the ratio of inertia force to (A) Pressure force (B) Elastic force (C) Gravity force (D) Viscous force

Description : Reynold's number is the ratio of inertia force to (A) Pressure force (B) Elastic force (C) Gravity force (D) Viscous force

Last Answer : Answer: Option D

The ratio of the inertia force to the __________ is called Euler's number. (A) Pressure force (B) Elastic force (C) Surface tension force (D) Viscous force

Description : The ratio of the inertia force to the __________ is called Euler's number. (A) Pressure force (B) Elastic force (C) Surface tension force (D) Viscous force

Last Answer : Answer: Option A

Froude's number is the ratio of inertia force to (A) Pressure force (B) Elastic force (C) Gravity force (D) Surface tension force

Description : Froude's number is the ratio of inertia force to (A) Pressure force (B) Elastic force (C) Gravity force (D) Surface tension force

Last Answer : Answer: Option C

A flow in which __________ force is dominating over the viscosity is called turbulent flow. (A) Elastic (B) Surface tension (C) Viscous (D) Inertia

Description : A flow in which __________ force is dominating over the viscosity is called turbulent flow. (A) Elastic (B) Surface tension (C) Viscous (D) Inertia

Last Answer : Answer: Option D

If Reynolds number is greater than 1, then the (A) Viscous force is larger than the inertia force (B) Inertia force is larger than the viscous force (C) Inertia force is larger than the surface tension force (D) Inertia force is larger than the gravitational force

Description : If Reynolds number is greater than 1, then the (A) Viscous force is larger than the inertia force (B) Inertia force is larger than the viscous force (C) Inertia force is larger than the surface tension force (D) Inertia force is larger than the gravitational force

Last Answer : (B) Inertia force is larger than the viscous force

Weber number is the ratio of inertial force to __________ force. (A) Surface tension (B) Gravity (C) Viscous (D) Elastic

Description : Weber number is the ratio of inertial force to __________ force. (A) Surface tension (B) Gravity (C) Viscous (D) Elastic

Last Answer : (A) Surface tension

Euler number is defined as the ratio of inertia force to __________ force. (A) Pressure (B) Elastic (C) Gravity (D) Viscous

Description : Euler number is defined as the ratio of inertia force to __________ force. (A) Pressure (B) Elastic (C) Gravity (D) Viscous

Last Answer : (A) Pressure

The ratio of the inertia force to the viscous force is called (A) Reynold's number (B) Froude's number (C) Weber's number (D) Euler's number

Description : The ratio of the inertia force to the viscous force is called (A) Reynold's number (B) Froude's number (C) Weber's number (D) Euler's number

Last Answer : Answer: Option A

Ratio of inertia force to elastic force is known as (A) Mach number (B) Froude number (C) Reynolds number (D) Weber's number

Description : Ratio of inertia force to elastic force is known as (A) Mach number (B) Froude number (C) Reynolds number (D) Weber's number

Last Answer : Answer: Option A

The ratio of the inertia force to the elastic force is called (A) Reynold's number (B) Froude's number (C) Weber's number (D) Mach number

Description : The ratio of the inertia force to the elastic force is called (A) Reynold's number (B) Froude's number (C) Weber's number (D) Mach number

Last Answer : Answer: Option D

Euler's number is the ratio of __________ force to pressure force. (A) Inertia (B) Gravity (C) Viscous (D) None of these

Description : Euler's number is the ratio of __________ force to pressure force. (A) Inertia (B) Gravity (C) Viscous (D) None of these

Last Answer : Answer: Option A

Mach number is important in a fluid flow problem, when the inertia and __________ forces predominate. (A) Elastic (B) Viscous (C) Gravity (D) None of these

Description : Mach number is important in a fluid flow problem, when the inertia and __________ forces predominate. (A) Elastic (B) Viscous (C) Gravity (D) None of these

Last Answer : (A) Elastic

Mach number is important in a fluid flow problem, when the inertia and __________ forces predominate. (A) Elastic (B) Viscous (C) Gravity (D) None of these

Description : Mach number is important in a fluid flow problem, when the inertia and __________ forces predominate. (A) Elastic (B) Viscous (C) Gravity (D) None of these

Last Answer : A) Elastic

The product of mass and acceleration of flowing liquid is called (A) Inertia force (B) Viscous force (C) Gravity force (D) Pressure force

Description : The product of mass and acceleration of flowing liquid is called (A) Inertia force (B) Viscous force (C) Gravity force (D) Pressure force

Last Answer : Answer: Option A

The force present in a moving liquid is (A) Inertia force (B) Viscous force (C) Gravity force (D) All of these

Description : The force present in a moving liquid is (A) Inertia force (B) Viscous force (C) Gravity force (D) All of these

Last Answer : Answer: Option D

Which of the following forces does not act on a fluid at rest? (A) Viscous force (B) Gravity force (C) Hydrostatic force (D) Surface tension force

Description : Which of the following forces does not act on a fluid at rest? (A) Viscous force (B) Gravity force (C) Hydrostatic force (D) Surface tension force

Last Answer : (A) Viscous force

Rain drops falling through atmospheric air attain limited terminal velocity, because of (A) Upward thrust due to air (B) Viscous force exerted by air (C) Surface tension effects of water (D) Force of gravity

Description : Rain drops falling through atmospheric air attain limited terminal velocity, because of (A) Upward thrust due to air (B) Viscous force exerted by air (C) Surface tension effects of water (D) Force of gravity

Last Answer : Option B

Reynolds number is the ratio of (A) Viscous forces to gravity forces (B) Inertial forces to viscous forces (C) Viscous forces to inertial forces (D) Inertial forces to gravity forces

Description : Reynolds number is the ratio of (A) Viscous forces to gravity forces (B) Inertial forces to viscous forces (C) Viscous forces to inertial forces (D) Inertial forces to gravity forces

Last Answer : (B) Inertial forces to viscous forces

07. The ratio of the inertia force to the surface tension force is called Weber's number. A) Correct B) Incorrect

Description : 07. The ratio of the inertia force to the surface tension force is called Weber's number. A) Correct B) Incorrect

Last Answer : A

The pressure co-efficient is the ratio of pressure forces to __________ forces. (A) Viscous (B) Inertial (C) Gravity (D) Surface tension

Description : The pressure co-efficient is the ratio of pressure forces to __________ forces. (A) Viscous (B) Inertial (C) Gravity (D) Surface tension

Last Answer : (A) Viscous

At low Reynolds number (A) Viscous forces are unimportant (B) Viscous forces control (C) Viscous forces control and inertial forces are unimportant (D) Gravity forces contro

Description : At low Reynolds number (A) Viscous forces are unimportant (B) Viscous forces control (C) Viscous forces control and inertial forces are unimportant (D) Gravity forces contro

Last Answer : (C) Viscous forces control and inertial forces are unimportant

02. The ratio of the inertia force to the gravity force is called Froude number. A) Agree B) Disagree

Description : 02. The ratio of the inertia force to the gravity force is called Froude number. A) Agree B) Disagree

Last Answer : A

A spherical particle is falling slow in a viscous liquid such that Reynolds number is less than 1. Which statement is correct for this situation? (A) Inertial and drag forces are important (B) Drag, gravitational and buoyancy forces are important (C) Drag force and gravitational forces are important (D) None of the above

Description : A spherical particle is falling slow in a viscous liquid such that Reynolds number is less than 1. Which statement is correct for this situation? (A) Inertial and drag forces are important (B) Drag ... forces are important (C) Drag force and gravitational forces are important (D) None of the above

Last Answer : (B) Drag, gravitational and buoyancy forces are important

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Description : Lead ball falls through water more slowly than through air because A. The value of ‘g’ is less in water B. Density of air is less than that of water C. Of the viscous force in water D. Of the surface tension of water

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Description : The terminal velocity of a sphere setting in a viscous fluid varies as : (a) The Reynolds number (b) The square of its diameter (c) Directly proportional to the viscosity of the fluid (d) Its diameter

Last Answer : (b) The square of its diameter

Reynolds number is significant in (A) Supersonics, as with projectile and jet propulsion (B) Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc. (C) Simultaneous motion through two fluids where there is a surface of discontinuity, gravity forces, and wave making effect, as with ship's hulls (D) All of the above

Description : Reynolds number is significant in (A) Supersonics, as with projectile and jet propulsion (B) Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc. (C) Simultaneous motion ... gravity forces, and wave making effect, as with ship's hulls (D) All of the above

Last Answer : Answer: Option B

Euler's dimensionless number relates the following (A) Inertial force and gravity (B) Viscous force and inertial force (C) Viscous force and buoyancy force (D) Pressure force and inertial force

Description : Euler's dimensionless number relates the following (A) Inertial force and gravity (B) Viscous force and inertial force (C) Viscous force and buoyancy force (D) Pressure force and inertial force

Last Answer : Answer: Option D

Practical fluids (A) Are viscous (B) Possess surface tension (C) Are compressible(D) Possess all the above properties

Description : Practical fluids (A) Are viscous (B) Possess surface tension (C) Are compressible (D) Possess all the above properties

Last Answer : Answer: Option D

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Last Answer : c. Momentum and force

Ratio of inertia force to surface Jension is known as (A) Mach number (B) Froude number (C) (D) Weber's number

Description : Ratio of inertia force to surface Jension is known as (A) Mach number (B) Froude number (C) (D) Weber's number

Last Answer : Answer: Option D

The ratio of specific weight of a liquid to the specific weight of pure water at a standard temperature is called (A) Density of liquid (B) Specific gravity of liquid (C) Compressibility of liquid (D) Surface tension of liquid

Description : The ratio of specific weight of a liquid to the specific weight of pure water at a standard temperature is called (A) Density of liquid (B) Specific gravity of liquid (C) Compressibility of liquid (D) Surface tension of liquid

Last Answer : Answer: Option B

The ratio of inertial forces to elastic forces is called the __________ number. (A) Reynolds (B) Mach (C) Euler (D) Weber

Description : The ratio of inertial forces to elastic forces is called the __________ number. (A) Reynolds (B) Mach (C) Euler (D) Weber

Last Answer : (B) Mach

The ratio of inertial forces to elastic forces is called the __________ number. (A) Reynolds (B) Mach (C) Euler (D) Weber

Description : The ratio of inertial forces to elastic forces is called the __________ number. (A) Reynolds (B) Mach (C) Euler (D) Weber

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Untuned viscous damper ( houdaille Damper) is used with variable speed machine being control by ratio can be given by A) (damper inertia) / (main system inertia) B) (main system inertia) / (damper inertia) C) (2 X damper inertia) / (main system inertia) D) (2 X main system inertia) / (damper inertia)

Description : Untuned viscous damper ( houdaille Damper) is used with variable speed machine being control by ratio can be given by A) (damper inertia) / (main system inertia) B) (main system inertia) / (damper inertia) ... X damper inertia) / (main system inertia) D) (2 X main system inertia) / (damper inertia)

Last Answer : A) (damper inertia) / (main system inertia)

Untuned viscous damper ( houdaille Damper) is used with variable speed machine being control by ratio can be given by A) (damper inertia) / (main system inertia) B) (main system inertia) / (damper inertia) C) (2 X damper inertia) / (main system inertia) D) (2 X main system inertia) / (damper inertia)

Description : Untuned viscous damper ( houdaille Damper) is used with variable speed machine being control by ratio can be given by A) (damper inertia) / (main system inertia) B) (main system inertia) / (damper inertia) ... X damper inertia) / (main system inertia) D) (2 X main system inertia) / (damper inertia)

Last Answer : A) (damper inertia) / (main system inertia)

The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, and x = Depth of centre of gravity of the immersed surface from the liquid surface) (A) (IG/ ) - (B) (IG/ ) - (C) ( /IG) + (D) (IG/ ) +

Description : The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, ... (IG/ ) - (B) (IG/ ) - (C) ( /IG) + (D) (IG/ ) +

Last Answer : Answer: Option D

When the pipe Reynold's number is 6000, the flow is generally (A) Viscous(B) Laminar(C) Turbulent(D) Transition

Description : When the pipe Reynold's number is 6000, the flow is generally (A) Viscous (B) Laminar (C) Turbulent (D) Transition

Last Answer : (C) Turbulent

At high Reynolds number (A) Inertial forces control and viscous forces are unimportant (B) Viscous forces predominate (C) Inertial forces are unimportant and viscous forces control (D) None of these

Description : At high Reynolds number (A) Inertial forces control and viscous forces are unimportant (B) Viscous forces predominate (C) Inertial forces are unimportant and viscous forces control (D) None of these

Last Answer : (A) Inertial forces control and viscous forces are unimportant

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Last Answer : Answer: Option D

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Description : The water, retained by the soil in capillary pores (micropores), against gravity (-1/3 to - 31 bar) by the force of surface tension

Last Answer : Ans.Capillary water

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Description : The time taken for gravity flow of a fixed volume of liquid (as in Redwood viscometer) is directly proportional to its (A) Absolute viscosity (B) Ratio of absolute viscosity to density (C) Density (D) Reynolds number

Last Answer : (B) Ratio of absolute viscosity to density

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Description : Ail oil drop spreads over water because (1) oil is lighter than water (2) oil is more viscous (3) oil does not mix with water (4) surface tension of oil is much smaller than that of water

Last Answer : (4) surface tension of oil is much smaller than that of water Explanation: Surface tension is a contractive tendency of the surface of a liquid that allows it to resist an external force. It is ... is caused by cohesion of similar molecules, and is responsible for many of the behaviors of liquids.

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Last Answer : surface tension of oil is much smaller than that of water

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Description : Which of the fluid forces are not considered in the Reynold's equation of flow? (A) Viscous forces (B) Turbulent forces (C) Pressure forces (D) Compressibility forces

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