Fundamentals of Thermal-Fluid Sciences
5th Edition
ISBN: 9780078027680
Author: Yunus A. Cengel Dr., Robert H. Turner, John M. Cimbala
Publisher: McGraw-Hill Education
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Chapter 10, Problem 4P
To determine
Define the no-slip condition and state it causes.
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1. For a feature other than a sphere, circularity is where:
A. The axis is a straight line
B. The modifier is specified with a size dimension
C. All points of the surface intersected by any plane
perpendicular to an axis or spine (curved line) are
equidistant from that axis or spine
D. All points of the surface intersected by any plane
passing through a common center are equidistant
from that center
2. What type of variation is limited by a circularity toler-
ance zone?
A. Ovality
B. Tapering
C. Bending
D. Warping
3. How does the Rule #1 boundary affect the application
of a circularity tolerance?
A. The modifier must be used.
B. The feature control frame must be placed next to
the size dimension.
C. The circularity tolerance value must be less than
the limits of size tolerance.
D. Circularity cannot be applied where a Rule #1
boundary exists.
4. A circularity tolerance may use a
modifier.
A. Ø
B. F
C. M
D. ℗
5. A real-world application for a circularity tolerance is:
A. Assembly (i.e.,…
3. A steel bar is pinned to a vertical support column by a 10 mm diameter hardened dowel pin,
Figure 1. For P = 7500 N, find:
a. the shear stress in the pin,
b. the direct bearing stress on the hole in the bar,
c. the minimum value of d to prevent tearout failure if the steel bar has a shear strength of
175 MPa.
support column
pin
bar
thickness of bar = 8 mm
h
d
150 mm
A press that delivers 115 strokes per minute, each stroke providing a force of 7826 N throughout a distance of 18 mm. The press efficiency is 90% and is driven by a 1749-rpm motor.
Determine average torque that must be provided by the motor in the units of N-m.
Chapter 10 Solutions
Fundamentals of Thermal-Fluid Sciences
Ch. 10 - Prob. 1PCh. 10 - Define incompressible flow and incompressible...Ch. 10 - Define internal, external, and open-channel...Ch. 10 - What is the no-slip condition? What causes it?
Ch. 10 - What is forced flow? How does it differ from...Ch. 10 - What is a boundary layer? What causes a boundary...Ch. 10 - What is cavitation? What causes it?
Ch. 10 - Does water boil at higher temperatures at higher...Ch. 10 - If the pressure of a substance is increased during...Ch. 10 - What is vapor pressure? How is it related to...
Ch. 10 - The analysis of a propeller that operates in water...Ch. 10 - A pump is used to transport water to a higher...Ch. 10 - In a piping system, the water temperature remains...Ch. 10 - The analysis of a propeller that operates in water...Ch. 10 - Prob. 15PCh. 10 - Prob. 16PCh. 10 - Prob. 17PCh. 10 - How does the dynamic viscosity of (a) liquids and...Ch. 10 - Consider two identical small glass balls dropped...Ch. 10 - The viscosity of a fluid is to be measured by a...Ch. 10 - Prob. 21PCh. 10 - Consider the flow of a fluid with viscosity μ...Ch. 10 - A thin 30-cm × 30-cm flat plate is pulled at 3 m/s...Ch. 10 - A rotating viscometer consists of two concentric...Ch. 10 - Prob. 25PCh. 10 - The dynamic viscosities of carbon dioxide at 50°C...Ch. 10 - Prob. 28PCh. 10 - For flow over a plate, the variation of velocity...Ch. 10 - In regions far from the entrance, fluid flow...Ch. 10 - Prob. 31PCh. 10 - Prob. 32PCh. 10 - Prob. 33PCh. 10 - A large plate is pulled at a constant speed of U =...Ch. 10 - Prob. 35PCh. 10 - A small-diameter tube is inserted into a liquid...Ch. 10 - Prob. 37PCh. 10 - Prob. 38PCh. 10 - Is the capillary rise greater in small-or...Ch. 10 - Prob. 40PCh. 10 - Prob. 41PCh. 10 - A 1.2-mm-diameter tube is inserted into an unknown...Ch. 10 - Determine the gage pressure inside a soap bubble...Ch. 10 - A 0.03-in-diameter glass tube is inserted into...Ch. 10 - Prob. 45PCh. 10 - Prob. 46PCh. 10 - A capillary tube is immersed vertically in a water...Ch. 10 - Prob. 48PCh. 10 - Prob. 49PCh. 10 - Prob. 50RQCh. 10 - Consider a 55-cm-long journal bearing that is...Ch. 10 - Prob. 52RQCh. 10 - The pressure on the suction side of pumps is...Ch. 10 - Consider laminar flow of a Newtonian fluid of...Ch. 10 - Prob. 56RQCh. 10 - Prob. 57RQCh. 10 - Some rocks or bricks contain small air pockets in...
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- 47 14 16 12 34 10 12 12 33arrow_forward3. A steam power plant has an average monthly net power delivery of 740 MW over the course of a year. This power delivery is accomplished by burning coal in the boiler. The coal has a heating value of 9150 Btu/lbm. The cost of the coal is $14.20/ton. The overall thermal efficiency of the plant is, nth = Wnet Qboiler = 0.26 = 26% Determine the annual cost of the coal required to deliver the given average monthly power.arrow_forward47 14 16 12 34 10 12 12 33arrow_forward
- = The forces F₁ = 590 lb, F₂ = 380 lb, F3 = 240 lb and F 330 lb. Determine the forces in each member of the truss. Use positive values to indicate tension and negative values to indicate compression. a a a D b F₁ A 000 B. 779977 F₂V H G E F4 b BY NC SA 2013 Michael Swanbom Values for dimensions on the figure are given in the following table. Note the figure may not be to scale. Variable Value a 6 ft b 10.1 ft The force in member AB is lb. The force in member AH is lb. The force in member GH is lb. The force in member BH is lb. The force in member BC is lb. The force in member BG is lb. The force in member EG is lb. The force in member CD is lb. The force in member DE is lb. The force in member CE is lb. The force in member CG is lb.arrow_forwardMultiple Choice Circle the best answer to each statement. 1. Which type of surface deviation is controlled by a cy- lindricity tolerance but not by a circularity tolerance? A. B. C. Ovality Taper Lobing D. None of the above 2. When verifying a cylindricity tolerance, the inspec- tion method must be able to collect a set of points and determine the: A. Distance between two coaxial cylinders that con- tain the set of points B. Cylinder that circumscribes the set of points C. Cylinder that inscribes the set of points D. Distance between two coaxial circles that contain the set of points 3. Where Rule #1 applies to a cylindrical regular feature of size, the tolerance value of a cylindricity tolerance applied to the feature of size must be tolerance. A. Less than B. Equal to C. Greater than D. None of the above the size 4. Which of the following modifiers may be applied with a cylindricity tolerance? A. M B. C. ℗ D. Ø 5. Which geometric tolerance can provide an indirect cylindricity…arrow_forwardThe beam AB is attached to the wall in the xz plane by a fixed support at A. A force of F = (−129î + 69.0ĵ + 3591) N is applied to the end of the beam at B. The weight of the beam can be modeled with a uniform distributed load of intensity w = 85.0 N/m acting in the negative z direction along its entire length. Find the support reactions at A. Z с A b a B F y Cc 10 BY NC SA 2016 Eric Davishahl X Values for dimensions on the figure are given in the following. table. Note the figure may not be to scale. Variable Value a 5.60 m b 5.00 m C 3.70 m A II = MA = ( m 2.> ~.> + + k) N k) N-arrow_forward
- need help?arrow_forwardA bent pipe is attached to a wall with brackets as shown. A force of F = 180 lb is applied to the end of the tube with direction indicated by the dimensions in the figure. Determine the support reactions at the brackets B, C, and D. Model these brackets as journal bearings (only force reactions perpendicular to the axis of the tube) and neglect couple moment reactions. Assume the distance between the supports at B and C and the tube bends nearby are negligible such that the support at C is directly above the support at D and the dimension g gives the distance between supports B and C. Enter your answers in Cartesian components. 2013 Michael Swanbom cc 10 BY NC SA g h א B 8° У A C x каж Values for dimensions on the figure are given in the table below. Note the figure may not be to scale. Variable Value a 6.72 in b 11.8 in с 14.8 in d 42.0 in h 26.6 in g 28.0 in → The reaction at B is B = lb. The reaction at C is C = lb. The reaction at D is D = lb. + << + + 2. + + 557 〈んarrow_forwardThe force F1 = 10 kN, F2 = 10 kN, F3 = 10 kN, F4 = 5 KN are acting on the sttructure shown. Determine the forces in the members specified below. Use positive values to indicate tension and negative values to indicate compression. F2 D b F1 F3 C E b F4 b B F a G Values for dimensions on the figure are given in the following table. Note the figure may not be to scale. Variable Value a 3 m b 4 m The force in member BC is KN. The force in member BE is KN. The force in member EF is KN.arrow_forward
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