Canadian Electrical Red Seal Exam Prep
1. Always connect an Ammeter in a) series
a) series
b) parallel
2. Always connect a Voltmeter in b) parallel
a) series
b) parallel
3. An Ohmeter should always be used on an energized False
circuit
True or False
4. The cross section of a busbar is 1" by 1/4". Find the 250'000 SMA
square mil area (SMA) and the circular mill area (CMA) 318'309 CMA
of round stock that could replace this busbar
5. A carbon resistor has the following three bands: Blue, 62'000 ohms
Red, Yellow. What is the value of this resistor, in ohms?
6. When performing a thermography test, what percent- d) 100%
age of load is best?
a) no load
b) 25%
c) 70%
d) 100%
7. What determines the direction of rotation for a sin- a) The polarity of the fields
gle-phase universal motor? and the direction of cur-
a) the polarity of the fields and the direction of current rent through the armature
through the armature determines the direction of ro- determines the direction
tation of rotation
b) the amount of current in the fields and the direction
, Canadian Electrical Red Seal Exam Prep
of current through the armature determines the direc-
tion 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
8. Part of a motor rotor is made of steel laminations. b) eddy currents
What are laminations used to reduce?
a) copper losses
b) eddy currents
c) hysteresis losses
d) reduce the weight of the motor
9. In a natural gas force air furnace used in a single b) 150 volts
dwelling, the supply voltage is limited to a maximum
of how many volts to ground? CEC 2-110
a) 110 volts
b) 150 volts
c) 347 volts
10. With a Wye-Wye connected transformer supplying a a) the common conductor
balanced load, what is the common conductor cur- current is 0 amps
rent?
a) 0 amps
b) the line current divided by 1.732
c) the same as the line current
d) the full-load current
11.
1. Always connect an Ammeter in a) series
a) series
b) parallel
2. Always connect a Voltmeter in b) parallel
a) series
b) parallel
3. An Ohmeter should always be used on an energized False
circuit
True or False
4. The cross section of a busbar is 1" by 1/4". Find the 250'000 SMA
square mil area (SMA) and the circular mill area (CMA) 318'309 CMA
of round stock that could replace this busbar
5. A carbon resistor has the following three bands: Blue, 62'000 ohms
Red, Yellow. What is the value of this resistor, in ohms?
6. When performing a thermography test, what percent- d) 100%
age of load is best?
a) no load
b) 25%
c) 70%
d) 100%
7. What determines the direction of rotation for a sin- a) The polarity of the fields
gle-phase universal motor? and the direction of cur-
a) the polarity of the fields and the direction of current rent through the armature
through the armature determines the direction of ro- determines the direction
tation of rotation
b) the amount of current in the fields and the direction
, Canadian Electrical Red Seal Exam Prep
of current through the armature determines the direc-
tion 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
8. Part of a motor rotor is made of steel laminations. b) eddy currents
What are laminations used to reduce?
a) copper losses
b) eddy currents
c) hysteresis losses
d) reduce the weight of the motor
9. In a natural gas force air furnace used in a single b) 150 volts
dwelling, the supply voltage is limited to a maximum
of how many volts to ground? CEC 2-110
a) 110 volts
b) 150 volts
c) 347 volts
10. With a Wye-Wye connected transformer supplying a a) the common conductor
balanced load, what is the common conductor cur- current is 0 amps
rent?
a) 0 amps
b) the line current divided by 1.732
c) the same as the line current
d) the full-load current
11.
