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Carson Dunlop – Electrical Questions And Answers With Verified Solutions Latest Updated 2024
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Carson Dunlop – Electrical Questions And Answers With Verified Solutions Latest Updated 2024
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Carson Dunlop – Electrical QuestionsAnd Answers With Verified Solutions
Latest Updated 2024
Voltage (volts) = - ANSWER✔✔I (current-amps) X Resistance (ohms)
Power (watts) = - ANSWER✔✔V (volts) X I (current-amps)
For heating purposes
1 kilowatt = - ANSWER✔✔3,412 BTU/hr
A short circuit is .... - ANSWER✔✔when no resistance is present, the current flow
is very large. This blows a fuse or trips a breaker.
Good, Better, Best - electrical conductors - ANSWER✔✔aluminum, copper, silver
poor conductors with high resistance are known as - ANSWER✔✔insulators
the amount of current that flows will be the result of the _______ in the circuit. -
ANSWER✔✔resistance
If 1000 watts is used for one hour, this is known as a _________ -
ANSWER✔✔Kilowatt-Hour
Normal household circuits are designed to carry 15 amps, on a ____ -gauge copper
wire - ANSWER✔✔14
12 guage can carry..... - ANSWER✔✔20 amps
10 guage can carry..... - ANSWER✔✔30 amps
8 guage can carry..... - ANSWER✔✔40 amps
Wires up to #__ gauge are solid (single strand). Larger wires are multi-strand. -
ANSWER✔✔10
, In the 1950's, houses were intended to receive _______ volts. -
ANSWER✔✔110/220
presently, houses are intended to receive _____ volts. - ANSWER✔✔120/240
Typical circuit =
Typical wire guage =
Typical breaker =
Wattage = - ANSWER✔✔120 volts
14
15 amps
1800 watts
A "Time Delay" fuse is a type ___ fuse - ANSWER✔✔D
a ___ type fuse is more sensitive to heat build up around the fuse and will blow
sooner than an ordinary fuse - ANSWER✔✔P
an ___ type fuse has special screw in bases that do not allow incorrect sizes. -
ANSWER✔✔S
nicks or poor connections effectively create a smaller wire, which can cause..... -
ANSWER✔✔overheating or fire
A service wire has three conductors, black, red and
white. Black and red are live with ___ volts each and white is neutral -
ANSWER✔✔120
A drop line must be __ above road, __ above driveway or walkway, ___ above flat
roof, - ANSWER✔✔20 feet
15 feet
8-10 feet
buried wire should be ___ feet under parking or driveways, and ___ feet under
landscaping - ANSWER✔✔3 - 2
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