What is the current flow in a purely resistive AC circuit if the resistance is 15 ohms and the voltage is 150V?

a. 10A
b. 14A
c. 18A
d. 22A


a. 10A

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PROBLEM 2.9

Two gage marks are placed exactly 10 in. apart on a -in.-diameter aluminum rod with E = 10.1 ? 106 psi and an ultimate strength of 16 ksi. Knowing that the distance between the gage marks is 10.009 in. after a load is applied, determine (a) the stress in the rod, (b) the factor of safety.

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Which of these can cause a starter grinding noise?

A) Seized engine B) Loose flywheel C) Neutral safety switch D) Defective starter drive

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The frequency range for ultrasonic monitoring is from _____

a. 20,000 Hz to 100 kHz b. 20,000 Hz to 100,000 kHz c. 200 kHz to 15,000 Hz d. 20 Hz to 10,000 Hz

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A fraction without the same lowest common denominator (LCD) but equal to another fraction is an equivalent fraction

Indicate whether the statement is true or false

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