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EGSA Set 01 - Basic Electricity Exam Study Guide

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EGSA Set 01 - Basic Electricity Exam Study Guide ...

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  • September 18, 2024
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  • EGSA Set 01
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EGSA Set 01 - Basic Electricity
Exam Study Guide

A three phase electric generator has coils which are wound with how many degrees of
separation?

a) 6 degrees

b) 120 degrees

c) 60 degrees

d) 150 degrees - Answer b) 120 degrees

Wattage is the measurement of:

a) Power

b) Current

c) Potential

d) Inductance - Answer a) Power

An AC sine wave has which of the following characteristics?

a) Peak to Peak Amplitude.

b) A Root Means Squared value.

c) A corresponding current sine wave.

d) All of the above. - Answer D) All of the above.

The difference between alternating and direct current is that AC is:

a) Bi-directional

b) Always constant

c) Safer

d) Faster - Answer A) Bi-directional.

Reactive power in an AC circuit is termed:

a) W

, b) VA

c) VAR

d) Capacitive Load - Answer c) VAR

Which of the following determines total power in a series circuit?

a) Source voltage times the current

b) Total voltage applied to the circuit

c) Current flowing through a switch

d) Average of the wattage consumed by each resistor. - Answer a) Source voltage times
the current

The formula for calculating power factor in a three phase circuit is:

a) Watts x 1.732 x Volts

b) Watts / (Volts x Amps x 1.732)

c) Volts/Amps x 1.723

d) Watts / (Volts x Amps x 1.414) - Answer b) Watts / (Volts x Amps x 1.732)

Concerning a three phase load, if KW is 170 and voltage is 480 at 240 amps, what is the
power factor?

a) 0.95 lagging

b) 0.95 leading

c) 0.85 leading

d) 0.85 lagging - Answer d) 0.85 lagging

Rectification involves:

a) Preventing alternating current from alternating above and below 0 volts.

b) Making Direct Current Alternate above and below 0 volts.

c) Changing watts into Horsepower.

d) Correcting Power Factor - Answer a) Preventing alternating current from alternating
above and below 0 volts.

If you think of a diode like a fluid system, its function is:

a) Allow current flow in two directions like a hydraulic motor.

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