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Welding: Principles and Applicatio...

8th Edition
Larry Jeffus
Publisher: Cengage Learning
ISBN: 9781305494695

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BuyFindarrow_forward

Welding: Principles and Applicatio...

8th Edition
Larry Jeffus
Publisher: Cengage Learning
ISBN: 9781305494695
Chapter 3, Problem 18R
Textbook Problem
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What would the approximate amperage setting be if a welder were set to the high range (150 to 350 amps) and the fine adjustment knob were pointing at 5 on a 10-point scale?

To determine

The approximate amperage setting.

Explanation of Solution

Given information:

The range of the amperage is 150amps to 350amps. The adjusting knob is at 5 on 10 point scale.

Write the expression for the amperage spread.

  s=a2a1...... (I)

Here, the maximum value of amperage is a2 and the minimum value of amperage is a1.

Write the expression for the amperage increase per unit.

  A=sn...... (II)

Here, the number of units is n.

Calculation:

Substitute 350amps for a2 and 150amps for a1 the values in Equation (I)

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