FLUID MECHANICS-EBOOK>I<
2nd Edition
ISBN: 2819480256061
Author: HIBBELER
Publisher: INTER PEAR
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Chapter 7, Problem 82P
To determine
The maximum and minimum pressures exerted on the surface of the cylinder, and to determine the lift force on cylinder.
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25 mm
Brass core
E
=
105 GPa
0 = 20.9 x 10 °C
PROBLEM 2.49
The aluminum shell is fully bonded to the brass core and the
assembly is unstressed at a temperature of 15°C. Considering only
axial deformations, determine the stress in the aluminum when the
temperature reaches 195°C.
60 mm
Aluminum shell
E = 70 GPa
a = 23.6 × 10°C
This is an old practice exam. The answers are OAB = 19.10 ksi OBC = 2.228 ksi OCD = −2.865 ksi v = 0.2792delta Ltot = 0.01585 in (increase) but why
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mer has a number-average molecular weight of
350,000 g/mol and a degree of polymerization of
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diene repeat units in this copolymer.
H H
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H
Chapter 7 Solutions
FLUID MECHANICS-EBOOK>I<
Ch. 7 - Prob. 1PCh. 7 - A flow is defined by its velocity components u =...Ch. 7 - A uniform flow at 6 m/s is directed at an angle of...Ch. 7 - Prob. 4PCh. 7 - Prob. 5PCh. 7 - Determine the stream and potential functions for...Ch. 7 - Prob. 7PCh. 7 - Prob. 8PCh. 7 - Prob. 9PCh. 7 - The velocity profile of a liquid flowing along the...
Ch. 7 - Prob. 11PCh. 7 - Prob. 12PCh. 7 - The liquid confined between two moving plates has...Ch. 7 - Prob. 14PCh. 7 - Prob. 15PCh. 7 - Prob. 16PCh. 7 - A flow has velocity components u = 2(y − x) ft/s...Ch. 7 - Prob. 18PCh. 7 - Prob. 19PCh. 7 - Prob. 20PCh. 7 - Prob. 21PCh. 7 - Prob. 22PCh. 7 - Prob. 23PCh. 7 - Prob. 24PCh. 7 - Prob. 25PCh. 7 - Prob. 26PCh. 7 - Prob. 27PCh. 7 - Prob. 28PCh. 7 - Prob. 29PCh. 7 - Prob. 30PCh. 7 - Prob. 31PCh. 7 - Prob. 32PCh. 7 - Prob. 33PCh. 7 - Prob. 34PCh. 7 - Prob. 35PCh. 7 - Prob. 36PCh. 7 - Prob. 37PCh. 7 - Prob. 38PCh. 7 - Prob. 39PCh. 7 - Prob. 40PCh. 7 - Prob. 41PCh. 7 - Prob. 42PCh. 7 - Prob. 43PCh. 7 - If a building has a flat roof and is located 20 m...Ch. 7 - Prob. 45PCh. 7 - Combine a source of strength q with a free...Ch. 7 - Prob. 47PCh. 7 - Show that the equation that defines a sink will...Ch. 7 - Prob. 49PCh. 7 - Prob. 50PCh. 7 - Prob. 51PCh. 7 - Prob. 52PCh. 7 - Prob. 53PCh. 7 - Prob. 54PCh. 7 - Prob. 55PCh. 7 - A source q is emitted from the wall while a flow...Ch. 7 - Prob. 57PCh. 7 - Prob. 58PCh. 7 - Prob. 59PCh. 7 - Prob. 60PCh. 7 - Prob. 61PCh. 7 - Prob. 62PCh. 7 - Prob. 63PCh. 7 - Prob. 64PCh. 7 - Prob. 65PCh. 7 - The long rotating cylinder is subjected to a...Ch. 7 - Prob. 67PCh. 7 - Prob. 68PCh. 7 - Prob. 69PCh. 7 - Prob. 70PCh. 7 - Prob. 71PCh. 7 - Prob. 72PCh. 7 - Prob. 73PCh. 7 - Prob. 74PCh. 7 - Prob. 75PCh. 7 - Prob. 76PCh. 7 - Prob. 77PCh. 7 - Prob. 78PCh. 7 - If the uniform velocity of the air is 15 m/s and...Ch. 7 - Prob. 80PCh. 7 - The long cylinder is rotating counterclockwise...Ch. 7 - Prob. 82PCh. 7 - Liquid is confined between a top plate having an...Ch. 7 - A horizontal velocity is defined by u = 2(x2 − y2)...Ch. 7 - The sloped open channel has steady laminar flow...Ch. 7 - Prob. 86PCh. 7 - The channel for a liquid is formed by two fixed...
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- Design and assemble on the fluidsim (or a draft) the Hydraulic Drive Circuit, with the following characteristics: (a) Sequential operation, pressure, for the advance and return of the cylinders (according to the proper operation for the device) controlled by a directional 4x3 way, closed center; (b) Speed control for the cylinders, according to the load signal; (c) Pressure counterbalance for cylinder A, in order to compensate for the weight of the assembly.arrow_forwardThis is an old exam practice question. The answer is Pmax = 218.8 kN normal stress governs but why?arrow_forwardMoist air initially at T₁ = 140°C, p₁ = 4 bar, and p₁ = 50% is contained in a 2.0-m³ closed, rigid tank. The tank contents are cooled to T₂ 35°C. Step 1 Determine the temperature at which condensation begins, in °C.arrow_forward
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- As shown in the figure below, moist air at T₁ = 36°C, 1 bar, and 35% relative humidity enters a heat exchanger operating at steady state with a volumetric flow rate of 10 m³/min and is cooled at constant pressure to 22°C. Ignoring kinetic and potential energy effects, determine: (a) the dew point temperature at the inlet, in °C. (b) the mass flow rate of moist air at the exit, in kg/min. (c) the relative humidity at the exit. (d) the rate of heat transfer from the moist air stream, in kW. (AV)1, T1 P₁ = 1 bar 11 = 35% 120 T₂=22°C P2 = 1 bararrow_forwardThe inside temperature of a wall in a dwelling is 19°C. If the air in the room is at 21°C, what is the maximum relative humidity, in percent, the air can have before condensation occurs on the wall?arrow_forwardThe inside temperature of a wall in a dwelling is 19°C. If the air in the room is at 21°C, what is the maximum relative humidity, in percent, the air can have before condensation occurs on the wall?arrow_forward
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