CFESA ELECTRICAL PRACTICE TEST EXAM 2025-2026 |
COMPLETE QUESTIONS AND CORRECT ANSWERS | GRADED
A+ | LATEST EXAM | VERIFIED ANSWERS
33%
Approximately how much
will the wattage
increase on a 208 V piece
of equipment if it is
connected to 240 V supply
25%
Approximately how much
will the rated wattage
decrease if 240 V
equipment is connected to
a 208 V supply
Higher wattage created with damage heaters or other
What damage could
components
potentially be caused to
the supply wiring F208 V
equipment is
connected to a 240 V
supply
slow recovery time, uneven cooking
How can the cooking
characteristics of
equipment be changed by
low supply voltage?
A "wild leg" (also called a "high leg") in a three-phase system
A wild leg must always be
should always be
connected where on the
connected to the designated "B" phase terminal on a
terminal block on a three
terminal block, as per standard electrical practice, which
phase equipment?
usually marks the phase with the higher voltage to
, neutral as "B" phase, it must not go on the 120 v
terminal.
Voltage between the Hotline 120V
and neutral of a 208 V
power supply:
On the ohms law wheel what Resistance(ohms)
does R stand for?
When your customer leans Unplug and inspect the grounding
over metal
counter and touches the
toaster a shark is received.
You have checked the
toaster
and the ground circuit is
complete. You should:
A 208 V fryer connected to a 35% more power can affect the cooking characteristics
240 V supply could have of the equipment. This can cause damage to the
what results? components.
Jerry is working at a job site Step up transformer
where the voltage to the
building is 208 V. The oven
the customer just got is 240 V.
What kind of transformer will
he get?
The neon signal light can be it will only light up when the thermostat contacts are
connected across the open, breaking the circuit to the load
contacts of a high limit
temperature thermostat to
indicate when the control
opens because:
. If the element shorts to Short circuit occurs
ground when the switch is
closed:
To properly check a regular always check output with load connected
transformer you should?
, I warmer has an infinite If an infinite switch burns up at the terminals, the wiring
switch but the terminal and the terminal connectors have to be replaced as
literally burned out of it. they have been damaged
What does prefix Micro mean 1/1000000 or 1/1 millionth
What does prefix kilo mean 1000 times
What does prefix mega mean 1000000 times or 1 million times
What does prefix milli mean 1/1000 or 1/1 thousandth
What happens to current in a It divides across the resistances
parallel circuit?
What happens to voltage Stays the same
across the loads in a
parallel circuit
What happens to voltage It divides across the resistances
across loads in a series
circuit
What happens to the current It stays the same everywhere
in a series circuit?
What is the voltage 230 V
between two hot lines in a
230 V system?
What is the voltage 208 V
between two hot lines in a
208 V system?
What is the voltage 115 V
between a hotline and a
neutral and a 230 single
volt phase
supply
What is the voltage 120 V
between a hotline and a
neutral in a 208 single volt
phase supply
What is the voltage 230 V
between any two
hotlines of a 230 V Delta
power supply?
COMPLETE QUESTIONS AND CORRECT ANSWERS | GRADED
A+ | LATEST EXAM | VERIFIED ANSWERS
33%
Approximately how much
will the wattage
increase on a 208 V piece
of equipment if it is
connected to 240 V supply
25%
Approximately how much
will the rated wattage
decrease if 240 V
equipment is connected to
a 208 V supply
Higher wattage created with damage heaters or other
What damage could
components
potentially be caused to
the supply wiring F208 V
equipment is
connected to a 240 V
supply
slow recovery time, uneven cooking
How can the cooking
characteristics of
equipment be changed by
low supply voltage?
A "wild leg" (also called a "high leg") in a three-phase system
A wild leg must always be
should always be
connected where on the
connected to the designated "B" phase terminal on a
terminal block on a three
terminal block, as per standard electrical practice, which
phase equipment?
usually marks the phase with the higher voltage to
, neutral as "B" phase, it must not go on the 120 v
terminal.
Voltage between the Hotline 120V
and neutral of a 208 V
power supply:
On the ohms law wheel what Resistance(ohms)
does R stand for?
When your customer leans Unplug and inspect the grounding
over metal
counter and touches the
toaster a shark is received.
You have checked the
toaster
and the ground circuit is
complete. You should:
A 208 V fryer connected to a 35% more power can affect the cooking characteristics
240 V supply could have of the equipment. This can cause damage to the
what results? components.
Jerry is working at a job site Step up transformer
where the voltage to the
building is 208 V. The oven
the customer just got is 240 V.
What kind of transformer will
he get?
The neon signal light can be it will only light up when the thermostat contacts are
connected across the open, breaking the circuit to the load
contacts of a high limit
temperature thermostat to
indicate when the control
opens because:
. If the element shorts to Short circuit occurs
ground when the switch is
closed:
To properly check a regular always check output with load connected
transformer you should?
, I warmer has an infinite If an infinite switch burns up at the terminals, the wiring
switch but the terminal and the terminal connectors have to be replaced as
literally burned out of it. they have been damaged
What does prefix Micro mean 1/1000000 or 1/1 millionth
What does prefix kilo mean 1000 times
What does prefix mega mean 1000000 times or 1 million times
What does prefix milli mean 1/1000 or 1/1 thousandth
What happens to current in a It divides across the resistances
parallel circuit?
What happens to voltage Stays the same
across the loads in a
parallel circuit
What happens to voltage It divides across the resistances
across loads in a series
circuit
What happens to the current It stays the same everywhere
in a series circuit?
What is the voltage 230 V
between two hot lines in a
230 V system?
What is the voltage 208 V
between two hot lines in a
208 V system?
What is the voltage 115 V
between a hotline and a
neutral and a 230 single
volt phase
supply
What is the voltage 120 V
between a hotline and a
neutral in a 208 single volt
phase supply
What is the voltage 230 V
between any two
hotlines of a 230 V Delta
power supply?
