Welding: Principles and Applications (MindTap Course List)
8th Edition
ISBN: 9781305494695
Author: Larry Jeffus
Publisher: Cengage Learning
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Textbook Question
Chapter 6, Problem 16R
The AWS Visual Inspection Criteria allows one small porosity per inches of weld.
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Fresh air at 21.1 C in which partial
pressure of water vapor is 0.018
atmosphere is blown at the rate of 214
m3/h first through a preheater and then
adiabatically saturated in spray chambers
to 100% saturation and again reheated
this reheated air has humidity of 0.024 kg
water vapor per kg dry air. It is assumed
that the fresh air and the air leaving the
re-heater have the same percentage
humidity.
Determine:-
a- The temperature of preheater,
spray-chamber and re-heater
b- Heat requirement for preheating and
re-heating
11:39 م
The answer to the problem is 7.24 N. Please show me how to get the final answer
The answer to the problem is 17.9N. Please show me how to get the final answer
Chapter 6 Solutions
Welding: Principles and Applications (MindTap Course List)
Ch. 6 - What is the first weld bead of a multiple pass...Ch. 6 - What is the purpose of using ceramic backup tapes...Ch. 6 - How can discontinuities in the root face be...Ch. 6 - Describe the motion of the electrode in keyhole...Ch. 6 - What is the purpose of placing an assembled test...Ch. 6 - If the key hole becomes smaller and smaller, what...Ch. 6 - What is the purpose of a hot pass?Ch. 6 - What are the best ways to remove slag between...Ch. 6 - What is the last weld bead on a multipass weld...Ch. 6 - What is the purpose of grooving a joint before...
Ch. 6 - After a weld is back gouged and a groove is...Ch. 6 - When stopping an SMA welding bead on a pipe, what...Ch. 6 - What is the purpose of preheating metal before it...Ch. 6 - What is the purpose of postheating the metal after...Ch. 6 - What is interpass temperature?Ch. 6 - The AWS Visual Inspection Criteria allows one...Ch. 6 - What is the difference between a transverse face...Ch. 6 - What changes can be made to successfully make a...
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- The answer to the problem is 2.93 ft/s. Please show me how to get the final answerarrow_forwardExample(3): 0.15 kg/s steam at atmospheric pressure and superheated to 400 K is bled into an air stream at 320 K and 20 per cent relative humidity. What is the temperature, enthalpy, and relative humidity of the mixed stream if the air is flowing at 5 kg/ s? How much steam would be required to provide an exit temperature of 330 K and what would be the humidity of this mixture? 11:39 مarrow_forwardThe answer to the problem is 31.3rad/s. Please show me how to get the final answerarrow_forward
- A cylindrical tank of diameter D is currently filled with water to a height h, as shown in the figure to the right. Water enters the tank through the pipe at (1) with a cross-sectional area A₁ and a uniform velocity V₁. The height of water in the tank is increasing at a constant rate of 5 mm/s. Given the parameters below, find the volumetric flow rate in the pipe at (2), V2, in cm³/s, and classify it as an inflow or outflow. D = 20 cm h = 0.5 m A₁ = 1 cm² V₁ = 0.1 m/s h 1 V₁ D Pwater = 1,000 kg/m³ V2 2arrow_forwardThe answer to the problem is 2.33 rad/s. Please show me how to get the final answerarrow_forwardThe answer to the problem is 0.14 rad/s. Please show me how to get the final answerarrow_forward
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