CANADIAN ELECTRICAL RED SEAL
EXAM PREP QUESTIONS WITH
ALREADY PASSED ANSWERS!!
1 of 45
Term
How would you define frequency?
Give this one a try later!
Frequency is the number of Frequency is the total energy
complete cycles per second consumed by a device
of an AC waveform
, Frequency is the measure Frequency is the amount of voltage
of resistance in a circuit in a circuit
Don't know?
2 of 45
Term
If a DC generator is connected so that it overcompounds, it will have
a ______ voltage regulation.
a) positive
b) large
c) zero
d) negative
Give this one a try later!
d) negative a) instantaneous
b) peak value c) effective
Don't know?
3 of 45
Term
A single-phase 120 VAC supply is fed into a half-wave DC rectifier.
The voltage at the load would be:
, a) 50 VDC
b) 108 VDC
c) 54 VDC
d) 120 VDC
Give this one a try later!
e) peak to peak value c) effective
b) 150 c) 54 VDC
volts
120 VAC x 0.45
CEC 2-110
Don't know?
4 of 45
Term
The Value at any point in a waveform is called the:
a) instantaneous value
b) peak value
c) effective value
d) peak to peak value
Give this one a try later!
d) average value b) 150 volts
CEC 2-110
, a) instantaneous c) is constant as the load
current changes
Don't know?
5 of 45
Term
What of the following is NOT a necessary condition to be able to
parallel two single-phase transformers?
a) the transformers must be the same KVA rating
b) the transformers should have the same percent impedance
c) the transformers must have the same rated voltage
d) the transformers must have the same polarity
Give this one a try later!
a) the transformers must have b) fourth run from the top of the
the same KVA rating ladder
a) the trip rating is 3mA a) the common conductor current is
A Class A GFCI trips between 4- 0 amps
6mA (see definitions in CEC)
Don't know?
6 of 45
EXAM PREP QUESTIONS WITH
ALREADY PASSED ANSWERS!!
1 of 45
Term
How would you define frequency?
Give this one a try later!
Frequency is the number of Frequency is the total energy
complete cycles per second consumed by a device
of an AC waveform
, Frequency is the measure Frequency is the amount of voltage
of resistance in a circuit in a circuit
Don't know?
2 of 45
Term
If a DC generator is connected so that it overcompounds, it will have
a ______ voltage regulation.
a) positive
b) large
c) zero
d) negative
Give this one a try later!
d) negative a) instantaneous
b) peak value c) effective
Don't know?
3 of 45
Term
A single-phase 120 VAC supply is fed into a half-wave DC rectifier.
The voltage at the load would be:
, a) 50 VDC
b) 108 VDC
c) 54 VDC
d) 120 VDC
Give this one a try later!
e) peak to peak value c) effective
b) 150 c) 54 VDC
volts
120 VAC x 0.45
CEC 2-110
Don't know?
4 of 45
Term
The Value at any point in a waveform is called the:
a) instantaneous value
b) peak value
c) effective value
d) peak to peak value
Give this one a try later!
d) average value b) 150 volts
CEC 2-110
, a) instantaneous c) is constant as the load
current changes
Don't know?
5 of 45
Term
What of the following is NOT a necessary condition to be able to
parallel two single-phase transformers?
a) the transformers must be the same KVA rating
b) the transformers should have the same percent impedance
c) the transformers must have the same rated voltage
d) the transformers must have the same polarity
Give this one a try later!
a) the transformers must have b) fourth run from the top of the
the same KVA rating ladder
a) the trip rating is 3mA a) the common conductor current is
A Class A GFCI trips between 4- 0 amps
6mA (see definitions in CEC)
Don't know?
6 of 45
