. Supposed that air (std.) has a uniform density of 1.2kg/m^3, estimate how high (meters) above the sea level where there exists a zero pressure. Assume that in the given condition, barometric pressure at sea level is 101.325 kPa. Include also the free body diagram or figure of the problem, and your findings after solving it.

. Supposed that air (std.) has a uniform density of 1.2kg/m^3, estimate how high (meters) above the sea level where there exists a zero pressure. Assume that in the given condition, barometric pressure at sea level is 101.325 kPa. Include also the free body diagram or figure of the problem, and your findings after solving it.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter5: Analysis Of Convection Heat Transfer

Section: Chapter Questions

Problem 5.5P: Evaluate the dimensionless groups hcD/k,UD/, and cp/k for water, n-butyl alcohol, mercury, hydrogen,...

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2. Estimate the vacuum pressure that should be created by a suction pump in order to lift a ground water which is 10m below the level ground. Neglect the effect of pipe friction. Draw the figure or free body diagram, and explain its step by step solution. 3. Supposed that air (std.) has a uniform density of 1.2kg/m^3, estimate how high (meters) above the sea level where there exists a zero pressure. Assume that in the given condition, barometric pressure at sea level is 101.325 kPa. Draw the figure or free body diagram, and explain its step by step solution.
In Fig., gate AB is 5 ft wide into the paper, and stopB will break if the water force on it equals 9200 lbf. Forwhat water depth h is this condition reached?
A fi sh tank 14 in deep by 16 by 27 in is to be carried in acar that may experience accelerations as high as 6 m/s 2 .What is the maximum water depth that will avoid spillingin rigid-body motion? What is the proper alignment of thetank with respect to the car motion?
A closed cylindrical vessel, 2m in diameter & 4m high is fully filled with water & rotated to its vertical axis at a constant speed of 12.2 rad/sec. The top is pressurized by 180 KPa. (a) What is the pressure at the center bottom of the cylinder? (b) What is the pressure at the circumference bottom of the cylinder? (c) What is the total hydrostatic force at the sides of the cylinder?
A wedge splits a sheet of 20 °C water, as shown in Fig.P3.39. Both wedge and sheet are very long into the paper.If the force required to hold the wedge stationary is F =124 N per meter of depth into the paper, what is the angleθ of the wedge?
A solid cone of angle 2θ, mass (m), base radius (r0), and density (ρc), is rotating with angular velocity (w0) on its conical seat. The clearance (h) is filled with oil of viscosity (μ). Neglecting air resistance, determine: a) an expression for the moment (M) as a function of r0, w0,μ,θ, and h. b) an expression for the angular velocity (w) for t≥0 as a function of w0,μ,θ,h, r0,m and t if an external torque is not applied. If the radius of gyration of the cone is 16 cm, determine: c ) the value of the angular momentum and velocity if w0=60RPM,h=0.05mm,θ=30°,μ=0.98cPoise , m=20kg, t=2.0s
The surface tension of water in air is approximately 0.0072lbf/ft. If the atmospheric pressure is 14.7 psia, what is the pressure inside a droplet 0.5 mm in diameter?
Fluid mechanics If the hydrostatic pressure at the bottom of the cylindrical tank is 14.715 kPa, specific gravity of the tank is 0.15, and the weight of the tank is 25 kN, find the pressure at the bottom of the tank if the tank has to be lain sideways?
A vertical glass tube has an inside diameter of 1 mm. When pressure is applied, a column of water at 20 ° C rises through it to a height of 25 cm. Estimate the applied pressure in pascals, once the effect of surface tension has been corrected
A Ping-Pong ball weighs 2.6 g and has a diameter of 3.8 cm.It can be supported by an air jet from a vacuum cleaneroutlet, as in Fig. For sea-level standard air, what jetvelocity is required?
The figure below shows a block of wood with total height H, submerged height h and square base with side b = 0.41 m, floating in a tank with water. a) Knowing that the wood density is d = 0.75, calculate: a) the ratio between the submerged height h and the total height of block H; b) the metacentric height, in meters, for the block to float, in the indicated configuration, with indifferent balance (critical); c) the value of H for the same situation as the previous item (indicate the unit).
Consider the slanted plate AB of length L in Fig. .( a ) Is the hydrostatic force F on the plate equal to theweight of the missing water above the plate? If not, correctthis hypothesis. Neglect the atmosphere. ( b ) Can a “missingwater” theory be generalized to curved surfaces of this type?