ESCO Electrical Test | Questions and Verified Answers | 100%
Correct | Grade A+
Electrons are - Answer Negatively charged particles located in the
outer part of the atom
Protons are - Answer Positively charged particles located in the
center of the atom
Electrical conductors listed in order of best to worst are - Answer
Gold, silver, copper, aluminum
Good electrical insulators include - Answer Ceramic, rubber, and
plastic
What material are most of the wires in your house made of - Answer
Copper
The electromotive force that causes electrons to move along a
conductor is called - Answer Voltage
,Electrical potential is measured in - Answer Volts
Electrical current is measured in - Answer Amps
Electrical power is measured in - Answer Watts
Electric current that regularly reverses direction is called - Answer
Alternating current
Electric current that flows in only one direction is called - Answer
Direct current
Alternating current frequency is measured in - Answer Hertz (Hz)
One hertz (Hz) is equivalent to - Answer one cycle per second
The number of cyclic wave forms present at one time in an AC circuit is
called - Answer Phase
Alternating current is typically available in - Answer single phase and
three phase
, Electrical resistance is measured in - Answer Ohms
In an electrical circuit, resistance is - Answer opposition to the flow
of electricity
The three essential requirements for a useful electric circuit are -
Answer A power source, a path for current flow, and an electrical
load
What are the most common loads in HVACR systems - Answer
Motors
An electric circuit that contains a source and path without a load is
called - Answer A short circuit
An electric circuit without a complete path is called - Answer An
open circuit
The three types of path arrangements for circuits are - Answer
Series, parallel, series-parallel
Correct | Grade A+
Electrons are - Answer Negatively charged particles located in the
outer part of the atom
Protons are - Answer Positively charged particles located in the
center of the atom
Electrical conductors listed in order of best to worst are - Answer
Gold, silver, copper, aluminum
Good electrical insulators include - Answer Ceramic, rubber, and
plastic
What material are most of the wires in your house made of - Answer
Copper
The electromotive force that causes electrons to move along a
conductor is called - Answer Voltage
,Electrical potential is measured in - Answer Volts
Electrical current is measured in - Answer Amps
Electrical power is measured in - Answer Watts
Electric current that regularly reverses direction is called - Answer
Alternating current
Electric current that flows in only one direction is called - Answer
Direct current
Alternating current frequency is measured in - Answer Hertz (Hz)
One hertz (Hz) is equivalent to - Answer one cycle per second
The number of cyclic wave forms present at one time in an AC circuit is
called - Answer Phase
Alternating current is typically available in - Answer single phase and
three phase
, Electrical resistance is measured in - Answer Ohms
In an electrical circuit, resistance is - Answer opposition to the flow
of electricity
The three essential requirements for a useful electric circuit are -
Answer A power source, a path for current flow, and an electrical
load
What are the most common loads in HVACR systems - Answer
Motors
An electric circuit that contains a source and path without a load is
called - Answer A short circuit
An electric circuit without a complete path is called - Answer An
open circuit
The three types of path arrangements for circuits are - Answer
Series, parallel, series-parallel
