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Electrical Systems Quiz 1

Authored by Margarita Garza

Mathematics

9th Grade

Used 2+ times

Electrical Systems Quiz 1
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70 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the minimum circuit operating voltage recommended by the NEC if a branch circuit operates at 240 volts AC with a 3% voltage drop?

210 volts

220 volts

232 volts

240 volts

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is equivalent to the volt amperes in an AC circuit?

True power

Capacitance power

Apparent power

Square power

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the voltage drop for a #8 (16.510 cmil) copper wire at 120V, 215 feet one way, with a load of 39amps?

10.5 volts

13.1 volts

14.2 volts

7.5 volts

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a voltage source of a circuit provides 240 volts and there are 5 ohms of resistance, how much current is in the circuit?

20 amps

25 amps

48 amps

35 amps

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should be done to change the rotation of a 3 phase motor?

Swap any T-lead

Swap any two T leads

Swap all three T leads

Swap the red and yellow leads

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What instrument is used to measure current?

Ohmeter

Wattmeter

Ammeter

Voltmeter

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which plan indicates the location of structures and equipment on a property?

Floor

Section view

Detail drawing

Site

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