Canadian Electrical Red Seal Exam
Prep questions well answered
Always connect an Ammeter in
a) series
b) parallel - correct answer ✔✔ a) series
Always connect a Voltmeter in
a) series
b) parallel - correct answer ✔✔ b) parallel
An Ohmeter should always be used on an energized circuit
True or False - correct answer ✔✔ False
The cross section of a busbar is 1" by 1/4". Find the square mil area (SMA) and the circular mill
area (CMA) of round stock that could replace this busbar - correct answer ✔✔ 250'000 SMA
318'309 CMA
A carbon resistor has the following three bands: Blue, Red, Yellow. What is the value of this
resistor, in ohms? - correct answer ✔✔ 62'000 ohms
When performing a thermography test, what percentage of load is best?
a) no load
b) 25%
c) 70%
, d) 100% - correct answer ✔✔ d) 100%
What determines the direction of rotation for a single-phase universal motor?
a) the polarity of the fields and the direction of current through the armature determines the
direction of rotation
b) the amount of current in the fields and the direction of current through the armature
determines the direction of rotation
c) The frequency and the amount of current through the armature determines the direction of
rotation
d) the number of turns in the field windings and the amount of current through the armature
determines the direction of rotation - correct answer ✔✔ a) The polarity of the fields and the
direction of current through the armature determines the direction of rotation
Part of a motor rotor is made of steel laminations. What are laminations used to reduce?
a) copper losses
b) eddy currents
c) hysteresis losses
d) reduce the weight of the motor - correct answer ✔✔ b) eddy currents
In a natural gas force air furnace used in a single dwelling, the supply voltage is limited to a
maximum of how many volts to ground?
a) 110 volts
b) 150 volts
c) 347 volts - correct answer ✔✔ b) 150 volts
Prep questions well answered
Always connect an Ammeter in
a) series
b) parallel - correct answer ✔✔ a) series
Always connect a Voltmeter in
a) series
b) parallel - correct answer ✔✔ b) parallel
An Ohmeter should always be used on an energized circuit
True or False - correct answer ✔✔ False
The cross section of a busbar is 1" by 1/4". Find the square mil area (SMA) and the circular mill
area (CMA) of round stock that could replace this busbar - correct answer ✔✔ 250'000 SMA
318'309 CMA
A carbon resistor has the following three bands: Blue, Red, Yellow. What is the value of this
resistor, in ohms? - correct answer ✔✔ 62'000 ohms
When performing a thermography test, what percentage of load is best?
a) no load
b) 25%
c) 70%
, d) 100% - correct answer ✔✔ d) 100%
What determines the direction of rotation for a single-phase universal motor?
a) the polarity of the fields and the direction of current through the armature determines the
direction of rotation
b) the amount of current in the fields and the direction of current through the armature
determines the direction of rotation
c) The frequency and the amount of current through the armature determines the direction of
rotation
d) the number of turns in the field windings and the amount of current through the armature
determines the direction of rotation - correct answer ✔✔ a) The polarity of the fields and the
direction of current through the armature determines the direction of rotation
Part of a motor rotor is made of steel laminations. What are laminations used to reduce?
a) copper losses
b) eddy currents
c) hysteresis losses
d) reduce the weight of the motor - correct answer ✔✔ b) eddy currents
In a natural gas force air furnace used in a single dwelling, the supply voltage is limited to a
maximum of how many volts to ground?
a) 110 volts
b) 150 volts
c) 347 volts - correct answer ✔✔ b) 150 volts
