Consider a soap bubble 2mm in diameter and a droplet of water also 2mm in diameter that are falling in air. If the value of the surface tension for the film of the soap bubble is assumed to be the same as that of water, which has a greater pressure?

Q: If the pressure difference between the inside and outside of a soap bubble of 3mm diameter is 16…

A: Given data- Pressure difference ∆P=16 N/m2dia of the soap bubble d=3 mmTo Find-The surface tension σ

Q: An increase in pressure of a liquid from 4 MPa to 8 MPa results in change in volume by 0.6%. Then…

A: Increase in pressure from 4 MPa to 8 MPa. Change in volume=0.6%

Q: A. The value of the compressibility of an ideal fluid is a) zero b) unity c) infinity d) more than…

A: compressibility is a term related with volume change . An ideal fluid has zero viscosity as well as…

Q: Which cross-section from the list below has a higher area moment of inertia about the centroidal…

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Q: It is not a component in the equation describing the pressure drop across a pipe carrying solids by…

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Q: Calculate the capillary effect in mm in a glass tube of 4 mm diameter, when immersed in (i) water,…

A: Given data : Diameter (d)=4 mmDensity of water (ρW)=998 kg/m3Surface tension of water (σW)=0.073…

Q: Taking the coefficient of compressibility of water to be 2200 MPa, determine the pressure increase…

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Q: A steel tape with a coefficient of linear expansion of 0.0000116 per degree centigrade is known to…

A: L=50m Tm=35oC To=20o C

Q: 2.48 A spherical soap bubble has an inside radius R, a film thickness t, and a surface tension o.…

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Q: The pressure drop in a system is dependent on the ff quantities: fluid velocity, fluid density, pipe…

A: Buckingham ' s Pi theorem states that: If there are n variables in a problem and these variables…

Q: Problem Air is flowing over a smooth plate with a velocity of 10 m/s. The length of the plate is 1.2…

A: Given Data- Velocity of air U=10 m/s, Length of plate L=1.2 m, Width of plate b=0.8 m, Reynolds…

Q: A liquid flows down an inclined plane surface, where the plane moves with a speed U in the nagtive x…

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Q: 2. A water jet strikes a moving plate at velocity of 10 m/s as the plate moves at a velocity of 2…

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Q: If a soap bubble has to sustain an absolute pressure of 101.35 kPa with its diameter being 25 mm…

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Q: The surface tension in a soap bubble of 20 mm diameter, when the inside pressure is 2.0 N/m2 above…

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Q: A steel tire has a dimensions indicated in the figure below. At 78 degrees Celsius, the said tire…

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Q: 5Q. The plate is moving at 0.6 mm/s when the force applied to the plate is 4 mN. If the surface area…

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Q: In the figure below, a block is sliding down over a liquid film. Calculate the average pressure (in…

A: Data Given: W = 11 Nθ = 33°A = 0.20 m2 Asked: Average Pressure

Q: A plate 0.025 mm distance from a fixed plate moves at 60 cm/s and requires a force of 0.2 kgf/m2 to…

A: Distance of plate = 0.025 mmVelocity of plate = 60 cm/secForce = 0.2 kgf/m2To Find :The dynamic…

Q: After being filled to a depth d with SAE 30 oil (SG = 0.91), a glass is placed to float in a tank of…

A: Depth upto which SAE oil is filled in a glass to make it float on water = d , Specific Gravity og…

Q: The viscosity of the liquid is 0.002 Pa.s and its density is 0.8. Get systematic fluid viscosity.

A: Given data, Dynamic viscosity = 0.002 Pa.s Relative Density = 0.8 Density = 800 kg/m^3 Systematic…

Q: What is the ratio of the dynamic viscosity of air to that of water at standard pressure and a…

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Q: atmospheric pressure is 1.013 bar. Determine the absolute pressure of the system. O 2.026 bar O O…

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Q: ← Fluid Properties The diameter of droplet is 0.075 mm. What is the intensity of the pressure (N/sq.…

A: Given Data  Diameter of droplet (d) = 0.075 mm  Surface tension = 0.000075 N/mm  Find the intensity…

Q: A fluid's viscosity and unit weight are reduced to 60% and 80%, due to increase in temperature. If…

A: Given data- Fluid's viscosity & unit weights are reduced to 60% & 80%, All other parameters…

Q: 2. The 9-kg paint stands on a wooden platform 1.2 kg in weight. Determine the magnitude and…

A: Given , Paint of 9kg stands on wooden platform of 1.2kg. Hence total downward acting weight…

Q: All For laminar flow over a flat plate, the local heat transfer coefficient h, is known to where x…

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Q: A thin 15x10 cm plate is pulled at 2.2 m/s horizontally on a 3 mm thick oil layer with a stationary…

A: Given Area 15×10 cmViscosity 0.025 pa secThickness 3 mmVelocity 2.2 m/secTo find out Force required…

Q: Find the capillarity rise in the tube shown in the figure (below) for a water-air-glass interface…

A: Given data : Tube radius (r)=1 mmAngle of contact (θ)=0∘Density of water (ρ)=1000 kg/m3Assume…

Q: 2.52 A water column in a glass tube is used to measure the pres- sure in a pipe. The tube is 1/4 in.…

A: When a small diameter tube  is inseated into a liquid, there may rise or fall occurs in liquid level…

Q: 2) Determine the reaction forces at both walls, if temperature is raised from 30°C to 90°C. The…

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Q: The viscous laminar flow of air over a flat plate results in the formation of a boundary layer. The…

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Q: 1. Describe the basic principles of dilatometer testing. 2. List the main component in dilatometer…

A: Introduction- The Dilatometer test is used to determine the strength and deformation qualities of…

Q: In a 200 foot tall water tank, the pressure at the bottom is a. 1960 kPa b. c. d. 86 psi 25 psi 500…

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Q: ne the volume V and total surface area A of the solid z k 63 mm 43 mm *

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Q: Question 2* A thin flat plate is immersed in a fluid stream 20 m/s. Estimate the distance x from the…

A: The given data is: Velocity of fluid stream=20 m/s For air, taking ρ=1.2 kg/m3μ=1.8E-5 kg/ms

Q: 2. If the atmospheric pressure is 101.33 kPa and the absolute pressure at the bottom of the tank as…

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Q: A blacksmith immersed a piece of steel at 600°F into a large bucket of water with a temperature of…

A: (1) Initial temperature of steel(2) Water temperature(3) After  temperature of steel

Pressurized pipe flow

A 15-kilometer-long pipe with a pipe diameter of one meter transports water at a speed of one meter per second. The pipe has a friction coefficient of 0.005. Calculate the frictional head loss?