Machine Elements in Mechanical Design (6th Edition) (What's New in Trades & Technology)
6th Edition
ISBN: 9780134441184
Author: Robert L. Mott, Edward M. Vavrek, Jyhwen Wang
Publisher: PEARSON
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Chapter 2, Problem 66P
To determine
The filament winding and four type of products made by this process.
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motor supplies 200 kW at 6 Hz to flange A of the shaft shown in Figure. Gear B transfers 125 W of power to operating machinery in the factory, and the remaining power in the shaft is mansferred by gear D. Shafts (1) and (2) are solid aluminum (G = 28 GPa) shafts that have the same diameter and an allowable shear stress of t= 40 MPa. Shaft (3) is a solid steel (G = 80 GPa) shaft with an allowable shear stress of t = 55 MPa. Determine:
a) the minimum permissible diameter for aluminum shafts (1) and (2)
b) the minimum permissible diameter for steel shaft (3).
c) the rotation angle of gear D with respect to flange A if the shafts have the minimum permissible diameters as determined in (a) and (b).
First monthly exam
Gas dynamics
Third stage
Q1/Water at 15° C flow through a 300 mm diameter riveted steel pipe, E-3 mm with a head loss of 6 m in
300 m length. Determine the flow rate in pipe. Use moody chart.
Q2/ Assume a car's exhaust system can be approximated as 14 ft long and 0.125 ft-diameter cast-iron pipe (
= 0.00085 ft) with the equivalent of (6) regular 90° flanged elbows (KL = 0.3) and a muffler. The
muffler acts as a resistor with a loss coefficient of KL= 8.5. Determine the pressure at the beginning of the
exhaust system (pl) if the flowrate is 0.10 cfs, and the exhaust has the same properties as air.(p = 1.74 ×
10-3 slug/ft³, u= 4.7 x 10-7 lb.s/ft²) Use moody chart
(1)
MIDAS
Kel=0.3
Q3/Liquid ammonia at -20°C is flowing through a 30 m long section of a 5 mm diameter copper tube(e =
1.5 × 10-6 m) at a rate of 0.15 kg/s. Determine the pressure drop and the head losses.
.μ= 2.36 × 10-4 kg/m.s)p = 665.1 kg/m³
Chapter 2 Solutions
Machine Elements in Mechanical Design (6th Edition) (What's New in Trades & Technology)
Ch. 2 - Define ultimate tensile strength.Ch. 2 - Define yield point.Ch. 2 - Define yield strength and tell how it is measured.Ch. 2 - What types of materials would have a yield point?Ch. 2 - What is the difference between proportional limit...Ch. 2 - Define Hooke’s law.Ch. 2 - What property of a material is a measure of its...Ch. 2 - What property of a material is a measure of its...Ch. 2 - If a material is reported to have a percent...Ch. 2 - Define Poisson’s ratio.
Ch. 2 - If a material has a tensile modulus of elasticity...Ch. 2 - A material is reported to have a Brinell hardness...Ch. 2 - A steel is reported to have a Brinell hardness of...Ch. 2 - For Problems 14 17, describe what is wrong with...Ch. 2 - For Problems 14 17, describe what is wrong with...Ch. 2 - For Problems 14 17, describe what is wrong with...Ch. 2 - For Problems 14 17, describe what is wrong with...Ch. 2 - Name two tests used to measure impact energy.Ch. 2 - Prob. 19PCh. 2 - Prob. 20PCh. 2 - Prob. 21PCh. 2 - What is the typical carbon content of a low-carbon...Ch. 2 - How much carbon does a bearing steel typically...Ch. 2 - What is the main difference between SAE 1213 steel...Ch. 2 - Name four materials that are commonly used for...Ch. 2 - Name four materials that are typically used for...Ch. 2 - Describe the properties desirable for the auger...Ch. 2 - Prob. 28PCh. 2 - Appendix 3If a shovel blade is made from SAE 1040...Ch. 2 - Describe the differences between through-hardening...Ch. 2 - Describe the process of induction hardening.Ch. 2 - Prob. 32PCh. 2 - Prob. 33PCh. 2 - Prob. 34PCh. 2 - Prob. 35PCh. 2 - Prob. 36PCh. 2 - Name three types of cast iron.Ch. 2 - Prob. 38PCh. 2 - Describe the process of making parts from powdered...Ch. 2 - Prob. 40PCh. 2 - Prob. 41PCh. 2 - Prob. 42PCh. 2 - Prob. 43PCh. 2 - Prob. 44PCh. 2 - Prob. 45PCh. 2 - Prob. 46PCh. 2 - Name three typical uses for titanium alloys.Ch. 2 - Prob. 48PCh. 2 - Prob. 49PCh. 2 - Prob. 50PCh. 2 - Describe the difference between thermosetting...Ch. 2 - Suggest a suitable plastic material for each of...Ch. 2 - Name eight factors over which the designer has...Ch. 2 - Define the term composite.Ch. 2 - Prob. 55PCh. 2 - Name four types of reinforcement fibers used for...Ch. 2 - Prob. 57PCh. 2 - Prob. 58PCh. 2 - Prob. 59PCh. 2 - For what applications are sheet-molding compounds...Ch. 2 - Prob. 61PCh. 2 - Prob. 62PCh. 2 - Prob. 63PCh. 2 - Prob. 64PCh. 2 - Prob. 65PCh. 2 - Prob. 66PCh. 2 - Prob. 67PCh. 2 - Prob. 68PCh. 2 - Discuss the advantages of composite materials...Ch. 2 - Prob. 70PCh. 2 - Prob. 71PCh. 2 - Prob. 72PCh. 2 - Prob. 73PCh. 2 - Describe the general construction of a composite...Ch. 2 - Prob. 75PCh. 2 - Prob. 76PCh. 2 - Prob. 77PCh. 2 - Prob. 78PCh. 2 - Prob. 79PCh. 2 - Prob. 80PCh. 2 - Prob. 81PCh. 2 - Prob. 82PCh. 2 - Prob. 83PCh. 2 - Problems 8290. For composites made with the given...Ch. 2 - Prob. 85PCh. 2 - Prob. 86PCh. 2 - Prob. 87PCh. 2 - Prob. 88PCh. 2 - Prob. 89PCh. 2 - Prob. 90PCh. 2 - Prob. 91PCh. 2 - Prob. 92PCh. 2 - Prob. 93PCh. 2 - Problems 94 96. For the given specification for a...Ch. 2 - Prob. 95PCh. 2 - Prob. 96PCh. 2 - Prob. 97PCh. 2 - Prob. 98PCh. 2 - Prob. 99PCh. 2 - Describe how CNTs are used in a CMNC and what...Ch. 2 - Prob. 1SPCh. 2 - Prob. 2SPCh. 2 - Prob. 3SPCh. 2 - Prob. 4SPCh. 2 - Prob. 5SPCh. 2 - Prob. 6SPCh. 2 - Name three U.S. organizations whose names are...Ch. 2 - Prob. 8SPCh. 2 - A U.S. designer specifies SAE 4140 steel for a...Ch. 2 - Prob. 10SPCh. 2 - Prob. 11SPCh. 2 - Prob. 12SPCh. 2 - Prob. 13SPCh. 2 - Prob. 14SPCh. 2 - Prob. 15SPCh. 2 - Prob. 16SPCh. 2 - Prob. 17SPCh. 2 - Prob. 18SPCh. 2 - Prob. 19SPCh. 2 - Prob. 20SPCh. 2 - Prob. 21SPCh. 2 - Prob. 22SPCh. 2 - Prob. 23SPCh. 2 - Prob. 24SPCh. 2 - Prob. 25SPCh. 2 - Prob. 26SPCh. 2 - Prob. 27SPCh. 2 - Prob. 28SPCh. 2 - Prob. 29SPCh. 2 - Prob. 30SPCh. 2 - Prob. 31SPCh. 2 - Prob. 32SPCh. 2 - Prob. 33SPCh. 2 - Prob. 34SPCh. 2 - List the six general classifications of materials...Ch. 2 - Prob. 36SPCh. 2 - Prob. 37SPCh. 2 - Prob. 38SPCh. 2 - Prob. 39SPCh. 2 - Prob. 40SP
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