IES GOLD WEEK 1 QUESTIONS AND ANSWERS 100%
CORRECT.
Principles of one coil inducing voltage into the other coil Answer - mutual
inductance
The side connected to the source Answer - Primary
The side connected to the load Answer - Secondary
Power loss due to the resistance of the wire Answer - Copper losses
Power loss due to the currents flowing within the core Answer - Eddy currents
Power loss due to the constant aligning and realigning of the molecules
Answer - Hysteresis
Power loss due to coupling Answer - Flux leakage
Transformer capacity is rated in Answer - KVA (Kilovolt-amperes)
Institute that developed standard for labeling polarity markings Answer - ANSI
(American National Standards Institute)
, In relation to polarity, high voltage is marked with Answer - H
In relation to polarity, low voltage is marked with Answer - X
Overcurrent protection is required to be a part of ___________ circuit. Answer
- Every
Overcurrent protection is provided by either ___________ or ____________
Answer - Fuses or circuit breakers
An overcurrent can be either a(n) _________ or a(n) _________ Answer -
Short circuit or overload
A fuse is an electrical safety valve and should always be Answer - Readily
accessible
When replacing a fuse, the voltage, ampere ratings, and _________ must all be
the same Answer - AIC (amperes interrupting capacity)
GFCIs will de-energize a circuit when current to _________ exceeds 4 to 6 mA.
Answer - Ground
GFCIs are required in post offices. True or False Answer - True
Grounding conductors will have current only during a ________ Answer -
Grounding fault/short circuit
Conductors and equipment from source to the FIRST overcurrent protection
device is the Answer - Service
CORRECT.
Principles of one coil inducing voltage into the other coil Answer - mutual
inductance
The side connected to the source Answer - Primary
The side connected to the load Answer - Secondary
Power loss due to the resistance of the wire Answer - Copper losses
Power loss due to the currents flowing within the core Answer - Eddy currents
Power loss due to the constant aligning and realigning of the molecules
Answer - Hysteresis
Power loss due to coupling Answer - Flux leakage
Transformer capacity is rated in Answer - KVA (Kilovolt-amperes)
Institute that developed standard for labeling polarity markings Answer - ANSI
(American National Standards Institute)
, In relation to polarity, high voltage is marked with Answer - H
In relation to polarity, low voltage is marked with Answer - X
Overcurrent protection is required to be a part of ___________ circuit. Answer
- Every
Overcurrent protection is provided by either ___________ or ____________
Answer - Fuses or circuit breakers
An overcurrent can be either a(n) _________ or a(n) _________ Answer -
Short circuit or overload
A fuse is an electrical safety valve and should always be Answer - Readily
accessible
When replacing a fuse, the voltage, ampere ratings, and _________ must all be
the same Answer - AIC (amperes interrupting capacity)
GFCIs will de-energize a circuit when current to _________ exceeds 4 to 6 mA.
Answer - Ground
GFCIs are required in post offices. True or False Answer - True
Grounding conductors will have current only during a ________ Answer -
Grounding fault/short circuit
Conductors and equipment from source to the FIRST overcurrent protection
device is the Answer - Service
