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NEIEP 300 FINAL EXAM LATEST ACTUAL
EXAM 60 QUESTIONS AND CORRECT DETAILED
ANSWERS|ALREADY GRADED A+
What happens to resistance in a wire, if its width is increased four times - ...ANSWER...Resistance is 1/4
What does the designation DPDTNO switch represent - ...ANSWER...Double-pole, Double-Throw, Normally Open switch
_____ refer to the moveable contacts on a switch - ...ANSWER...Poles
Contact wear is always _______ on DC switches than AC switches - ...ANSWER...greater
Describe maintained contact switch action - ...ANSWER...When the switch is actuated once, contacts close an remain close
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What type of switch would be found at a terminal landing
- ...ANSWER...Unidirectional limit switch
What are the resistance band colors - ...ANSWER...Black, Brown, Red, Orange, Yellow ,Green, Blue, Violet, Grey, White
What is the tolerance on a gold band resistance -
...ANSWER...5%
What is the tolerance on a silver band resistance -
...ANSWER...10%
What is the tolerance when there is no band color -
...ANSWER...20%
Which resistor has a single fixed terminal and shaft driven, moveable contact - ...ANSWER...Rheostat
Carbon film resistors have which characteristic - ...ANSWER...Maintain close tolerances in response to temperature changes
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