EBK 3I-EBK: WELDING PRINCIPLES & APPLIC
8th Edition
ISBN: 9780176919764
Author: Jeffus
Publisher: VST
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Chapter 31, Problem 16R
What is the difference between a reverse flow valve and a flashback arrestor?
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An AISI 1018 steel ball with 1.100-in diameter is used as a roller between a flat plate
made from 2024 T3 aluminum and a flat table surface made from ASTM No. 30 gray
cast iron. Determine the maximum amount of weight that can be stacked on the
aluminum plate without exceeding a maximum shear stress of 19.00 kpsi in any of the
three pieces. Assume the figure given below, which is based on a typical Poisson's
ratio of 0.3, is applicable to estimate the depth at which the maximum shear stress
occurs for these materials.
1.0
0.8
Ratio of stress to Pmax
0.4
90
0.6
στ
Tmax
0.2
0.5a
a
1.5a
2a
2.5a
За
Distance from contact surface
The maximum amount of weight that can be stacked on the aluminum plate is
lbf.
A carbon steel ball with 27.00-mm diameter is pressed together with an aluminum ball
with a 36.00-mm diameter by a force of 11.00 N. Determine the maximum shear
stress and the depth at which it will occur for the aluminum ball. Assume the figure
given below, which is based on a typical Poisson's ratio of 0.3, is applicable to estimate
the depth at which the maximum shear stress occurs for these materials.
1.0
0.8
Ratio of stress to Pma
9 0.6
στ
24
0.4
Tmax
0.2
0
0.5a
a
1.5a
Z
2a
2.5a
За
Distance from contact surface
The maximum shear stress is determined to be
MPa.
The depth in the aluminum ball at which the maximum shear stress will occur is
determined to be [
mm.
Show all work please
Chapter 31 Solutions
EBK 3I-EBK: WELDING PRINCIPLES & APPLIC
Ch. 31 - What is the purpose of a pressure regulator?Ch. 31 - What may result if a pressure regulator is not...Ch. 31 - Describe how a single-stage regulator operates.Ch. 31 - Is the torch pressure always the same as the...Ch. 31 - Why does the high-pressure gauge on a regulator...Ch. 31 - How does the operation of a safety release valve...Ch. 31 - Describe the difference between an argon cylinder...Ch. 31 - What is meant by regulator creep?Ch. 31 - Who can repair regulators?Ch. 31 - Why must the pressure be released from a regulator...
Ch. 31 - Why are combination welding and cutting torches...Ch. 31 - What is the advantage of using an injector-type...Ch. 31 - What should be done to the valve packing if the...Ch. 31 - What may happen to a tip seat if it is incorrectly...Ch. 31 - What can happen to a tip if it is excessively...Ch. 31 - What is the difference between a reverse flow...Ch. 31 - What are Siamese hoses?Ch. 31 - Why must the pressure be bled off hoses when work...Ch. 31 - What is the difference between a backfire and a...Ch. 31 - Why is a neutral flame the most commonly used...Ch. 31 - What properties should a good leak-detecting...Ch. 31 - Why must the oxygen cylinder valve be opened all...Ch. 31 - How long should hoses be purged?Ch. 31 - What should be done with cylinders that have...Ch. 31 - How should the spark lighter be held to light a...Ch. 31 - Once the torch is lit, why must the acetylene flow...Ch. 31 - What type of piping can be used for a manifold...Ch. 31 - What elements make up all hydrocarbons?Ch. 31 - What are the separate parts that make up an...Ch. 31 - Use Table 31-3 to determine which fuel gas...Ch. 31 - Approximately how long would it take a 50/50...Ch. 31 - Use Table 31-4 to determine which fuel gas has the...Ch. 31 - How is acetylene produced?Ch. 31 - Why is it not safe to use acetylene above 15 psig...Ch. 31 - Use Table 31-5 to determine the largest tip...Ch. 31 - Where is the highest temperature and where is the...Ch. 31 - Use Table 31-6 to determine what would be the...Ch. 31 - What are methylacetylene-propadiene fuel gases...Ch. 31 - Use Table 31-7 to determine which oxygen fuel-gas...Ch. 31 - Which fuel gas has the strongest odor and is...Ch. 31 - What is the major advantage of using propane or...Ch. 31 - Use Table 31-8 to determine which fuel gas would...Ch. 31 - What two major safety problems does hydrogen...Ch. 31 - Why should coat hangers not be used as gas welding...Ch. 31 - Explain the significance of the AWS filler metal...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Draw top, side, front view With pen(cil) and paper Multi view drawing and handwriting all of itarrow_forwardA wheel of diameter 150.0 mm and width 37.00 mm carrying a load 2.200 kN rolls on a flat rail. Take the wheel material as steel and the rail material as cast iron. Assume the figure given, which is based on a Poisson's ratio of 0.3, is applicable to estimate the depth at which the maximum shear stress occurs for these materials. At this critical depth, calculate the Hertzian stresses σr, σy, σz, and Tmax for the wheel. 1.0 0.8 0, т Ratio of stress to Pmax 0.4 0.6 90 69 0.2 0.5b b 1.5b Tmax 2b Distance from contact surface The Hertizian stresses are as follows: 02 = or = -23.8 psi for the wheel =| necessary.) σy for the wheel =| MPa σz for the wheel = MPa V4 for the wheel = | MPa 2.5b ཡི 3b MPa (Include a minus sign ifarrow_forwardOnly question 3arrow_forward
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