Ratio of pressure and inertia force gives __________ number. (A) Weber (B) Mach (C) Euler (D) Froude

Ratio of pressure and inertia force gives __________ number.
(A) Weber
(B) Mach
(C) Euler
(D) Froude
by

1 Answer

Answer :

(C) Euler
by

Related questions

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

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

Last Answer : (B) Froude

Ratio of inertial forces to surface tension forces is called the __________ number. (A) Euler (B) Froude (C) Mach (D) Weber

Description : Ratio of inertial forces to surface tension forces is called the __________ number. (A) Euler (B) Froude (C) Mach (D) Weber

Last Answer : (D) Weber

The ratio of pressure forces to inertial forces is called the __________ number. (A) Froude (B) Euler (C) Reynold (D) Mach

Description : The ratio of pressure forces to inertial forces is called the __________ number. (A) Froude (B) Euler (C) Reynold (D) Mach

Last Answer : (B) Euler

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

Last Answer : (B) Mach

The ratio of inertial forces to viscous forces is called the __________ number. (A) Weber (B) Mach (C) Froude (D) Reynold

Description : The ratio of inertial forces to viscous forces is called the __________ number. (A) Weber (B) Mach (C) Froude (D) Reynold

Last Answer : (D) Reynold

__________ number determines whether the fluid flow in an open channel is supercritical, critical or sub-critical. (A) Mach (B) Reynolds (C) Froude (D) Weber

Description : __________ number determines whether the fluid flow in an open channel is supercritical, critical or sub-critical. (A) Mach (B) Reynolds (C) Froude (D) Weber

Last Answer : (C) Froude

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

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

Which of the following denotes the effect of compressibility in fluid flow? (A) Weber number (B) Mach number (C) Euler number (D) Reynolds number

Description : Which of the following denotes the effect of compressibility in fluid flow? (A) Weber number (B) Mach number (C) Euler number (D) Reynolds number

Last Answer : (B) Mach numbe

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

Which of the following is not a dimension-less parameter? (A) Pressure-co-efficient (B) Froude number (C) Kinematic viscosity (D) Weber number

Description : Which of the following is not a dimension-less parameter? (A) Pressure-co-efficient (B) Froude number (C) Kinematic viscosity (D) Weber number

Last Answer : (C) Kinematic viscosity

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

The molecular number density of an ideal gas at standard temperature and pressure in cm3  a. Froude number  b. Loschmidt number  c. Mach number  d. Reynold number

Description : The molecular number density of an ideal gas at standard temperature and pressure in cm3  a. Froude number  b. Loschmidt number  c. Mach number  d. Reynold number

Last Answer : Loschmidt number

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

Which of the following is not concerned with the fluid-particle interaction? (A) Drag co-efficient (B) Froude number (C) Galileo number (D) Weber number

Description : Which of the following is not concerned with the fluid-particle interaction? (A) Drag co-efficient (B) Froude number (C) Galileo number (D) Weber number

Last Answer : (D) Weber number

The co-efficient of drag and lift for an incompressible fluid depends on the (A) Reynolds number (B) Froude number (C) Mach number (D) All (A), (B) and (C)

Description : The co-efficient of drag and lift for an incompressible fluid depends on the (A) Reynolds number (B) Froude number (C) Mach number (D) All (A), (B) and (C)

Last Answer : (A) Reynolds numbe

Cp /Cv is termed as (A) Adiabatic constant (B) Mach number (C) Weber number (D) Prandtl number

Description : Cp /Cv is termed as (A) Adiabatic constant (B) Mach number (C) Weber number (D) Prandtl number

Last Answer : (A) Adiabatic constan

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

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'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

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

N2 Re /NFr is called the __________ number. (A) Brinkman (B) Galileo (C) Archimedes (D) Euler

Description : N2 Re /NFr is called the __________ number. (A) Brinkman (B) Galileo (C) Archimedes (D) Euler

Last Answer : (B) Galileo

Froude number is the ratio of (A) Shear stress to gravitational stress (B) Drag stress to shear stress (C) Inertial stress to shear stress (D) Inertial stress to gravitational stress

Description : Froude number is the ratio of (A) Shear stress to gravitational stress (B) Drag stress to shear stress (C) Inertial stress to shear stress (D) Inertial stress to gravitational stress

Last Answer : (D) Inertial stress to gravitational stress

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

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

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

The important dimensional group involved in the power requirement calculation in mixing operation is the __________ number. (A) Reynold's (B) Froude (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : The important dimensional group involved in the power requirement calculation in mixing operation is the __________ number. (A) Reynold's (B) Froude (C) Both (A) & (B) (D) Neither (A) nor (B)

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

Consider the following statements in respect of critical flow in a wide rectangular channel: 1. The specific energy is minimum for a given discharge. 2. The discharge is maximum for a given specific energy 3. The specific force is minimum for a given discharge. 4. The Froude number is equal to unity. Which of these statements are correct? (a) 1 , 2 & 3 only (b) 1, 2, 3 & 4 (c) 1, 2 & 4 only (d) 2, 3 & 4 only

Description : Consider the following statements in respect of critical flow in a wide rectangular channel: 1. The specific energy is minimum for a given discharge. 2. The discharge is maximum for a given specific energy 3. The specific force is minimum for a ... b) 1, 2, 3 & 4 (c) 1, 2 & 4 only (d) 2, 3 & 4 only

Last Answer : (b) 1, 2, 3 & 4

Which of the following is not dimension-less? (A) Froude number (B) Kinematic viscosity (C) Pressure co-efficient (D) None of these

Description : Which of the following is not dimension-less? (A) Froude number (B) Kinematic viscosity (C) Pressure co-efficient (D) None of these

Last Answer : (B) Kinematic viscosity

Pick out the correct statement. (A) Fanning friction factor is inversely proportional to Reynolds number always (B) The property of a randomly packed bed (with raschig rings) is given by the ratio of the total volume to the volume of voids in the bed (C) Mach number in an incompressible fluid is always unity (D) Mach number is given by the ratio of the speed of the fluid to that of sound in the fluid under conditions of flow

Description : Pick out the correct statement. (A) Fanning friction factor is inversely proportional to Reynolds number always (B) The property of a randomly packed bed (with raschig rings) is given by the ratio of the ... the ratio of the speed of the fluid to that of sound in the fluid under conditions of flow

Last Answer : (D) Mach number is given by the ratio of the speed of the fluid to that of sound in the fluid under conditions of flow

Mach number is defined as the ratio of the local flow velocity to the sonic velocity in the fluid. For what value of Mach number, the gases are considered incompressible? (A) < 0.3 (B) > 3 (C) 50 (D) 1

Description : Mach number is defined as the ratio of the local flow velocity to the sonic velocity in the fluid. For what value of Mach number, the gases are considered incompressible? (A) < 0.3 (B) > 3 (C) 50 (D) 1

Last Answer : (A) < 0.3

Mach number is the ratio of the speed of the (A) Fluid to that of the light (B) Light to that of the fluid (C) Fluid to that of the sound (D) Sound to that of the fluid

Description : Mach number is the ratio of the speed of the (A) Fluid to that of the light (B) Light to that of the fluid (C) Fluid to that of the sound (D) Sound to that of the fluid

Last Answer : (C) Fluid to that of the sound

In a mixer, the quantity, (v. L/D) is termed as __________ number (where, v = longitudinal velocity of material, L = length of the mixer, D = diffusivity in axial mixing). (A) Weber (B) Peclet (C) Brinkman (D) Schmidt

Description : In a mixer, the quantity, (v. L/D) is termed as __________ number (where, v = longitudinal velocity of material, L = length of the mixer, D = diffusivity in axial mixing). (A) Weber (B) Peclet (C) Brinkman (D) Schmidt

Last Answer : (B) Peclet

Which of the following is directly concerned with the heat transfer? (A) Strouhal number (B) Sherwood number (C) Euler number (D) Grashoff number

Description : Which of the following is directly concerned with the heat transfer? (A) Strouhal number (B) Sherwood number (C) Euler number (D) Grashoff number

Last Answer : (D) Grashoff number

Which of the following is not a dimension-less parameter? (A) Euler number (B) Specific gravity (C) Fanning friction factor (D) None of these

Description : Which of the following is not a dimension-less parameter? (A) Euler number (B) Specific gravity (C) Fanning friction factor (D) None of these

Last Answer : (D) None of these

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 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

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

Description : 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

Last Answer : Answer: Option B

Mach number is significant in (A) Supersonics, as with projectiles 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 force, and wave making effects, as with ship's hulls (D) All of the above

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

Last Answer : Answer: Option A

08. The ratio of velocity of fluid in an undisturbed stream to the velocity of sound wave is known as Mach number. A) Yes B) No

Description : 08. The ratio of velocity of fluid in an undisturbed stream to the velocity of sound wave is known as Mach number. A) Yes B) No

Last Answer : A

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, but is dependent on the geometry of the impeller (C) Froude number is used to account for the effect of surface (e.g., the centre vortex) on the power number (D) All (A), (B) and (C)

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)

Which is not concerned directly with mass transfer? (A) Schmidt number (B) Sherwood number (C) Lewis relationship (D) Froude number

Description : Which is not concerned directly with mass transfer? (A) Schmidt number (B) Sherwood number (C) Lewis relationship (D) Froude number

Last Answer : (D) Froude number

Which of the following is concerned with both heat and mass transfer? (A) Lewis relationship (B) Nusselt number (C) Kutateladze number (D) Froude number

Description : Which of the following is concerned with both heat and mass transfer? (A) Lewis relationship (B) Nusselt number (C) Kutateladze number (D) Froude number

Last Answer : (A) Lewis relationship

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

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

When the Mach number is between __________ the flow is called super-sonic flow. (A) 1 and 2.5 (B) 2.5 and 4 (C) 4 and 6 (D) 1 and 6

Description : When the Mach number is between __________ the flow is called super-sonic flow. (A) 1 and 2.5 (B) 2.5 and 4 (C) 4 and 6 (D) 1 and 6

Last Answer : Answer: Option D

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

Define Mach number and critical pressure.

Description : Define Mach number and critical pressure.

Last Answer : 1. Mach Number: In fluid dynamics, the Mach number (M or Ma) is a dimensionless quantity representing the ratio of flow velocity past a boundary to the local speed of sound.  M = c/a  ... for which the maximum discharge through nozzle occurs is called as critical pressure . It is denoted as Pc

Which of the following pair will have identical dimensions? a.Pressure and surface tension b.Work and kinetic energy c.Momentum and force d.Moment of inertia and angular momentum e.None of the above

Description : Which of the following pair will have identical dimensions? a.Pressure and surface tension b.Work and kinetic energy c.Momentum and force d.Moment of inertia and angular momentum e.None of the above

Last Answer : c. Momentum and force