JATC – Accurate Answers To All Questions (A+)
If the neutral wire is cut on energized 120/240 V service, it could
result in a shock because the neutral Correct Answer - Carries
the current difference of the 2 legs
If you have determined that a transformer needs to be replaced in a
3 transformer bank, the information you would need to order of a
placement transformer would include Correct Answer - KVA
size, voltage
If you have determined that a transformer needs to be replaced in a
three-transformer bank, the informantion you would need to order
a replacement transformer would include KVA size, voltage
requirement, polarity and ? Correct Answer - Impedance
The ratio of the circuits true power to apparent power is the circuits
Correct Answer - Power factor
The 3 elements necessary to perform as a journeyman electrical
worker are knowledge, attitude, and Correct Answer - Skill
A Delta system has a balanced load with 200 and fears of flowing
current through each load line. The current flow to the transformer
windings is_ Correct Answer - 115.6
The 3 phase capacity of any closed transformer bank is always ?
times the rating of the smallest transformer in the bank. Correct
Answer - 3
When discussing the apprenticeship program and training, the why
of the trade is learned Correct Answer - In the classroom
Capacitance is measured in Correct Answer - Farad
, Commercial 3 phase generators have coils mounted on the stator
and are connected together as 3 circuits with a ? phase separation
Correct Answer - 120°
The manpower cost of a job is normally figured at ? of the total cost
Correct Answer - 40%
When paralleling to single phase Transformers both Transformers
must be connected blank Correct Answer - To the same
primary phase
Always disconnect the blank before working on or removing the
tank ground Correct Answer - Primary leads
Primary Power factor = Correct Answer - real power divided
by the Apparent power
Apparent A practice that will reduce lost time on a job is to
Correct Answer - Have good housekeeping
The responsibility for upholding the requirements of the bargaining
agreement belongs to Correct Answer - Contractors, local
Union business manager, and the local Union members
There are 2 voltages available in a ?system Correct Answer -
Wye
By conducting load studies, properly sizing and placing capacitors
can reduce the ? that an electrical supplier has to deliver to the
customer Correct Answer - KVAR
The mathematical symbol for inductance used in calculating AC
circuits is Correct Answer - L
If the neutral wire is cut on energized 120/240 V service, it could
result in a shock because the neutral Correct Answer - Carries
the current difference of the 2 legs
If you have determined that a transformer needs to be replaced in a
3 transformer bank, the information you would need to order of a
placement transformer would include Correct Answer - KVA
size, voltage
If you have determined that a transformer needs to be replaced in a
three-transformer bank, the informantion you would need to order
a replacement transformer would include KVA size, voltage
requirement, polarity and ? Correct Answer - Impedance
The ratio of the circuits true power to apparent power is the circuits
Correct Answer - Power factor
The 3 elements necessary to perform as a journeyman electrical
worker are knowledge, attitude, and Correct Answer - Skill
A Delta system has a balanced load with 200 and fears of flowing
current through each load line. The current flow to the transformer
windings is_ Correct Answer - 115.6
The 3 phase capacity of any closed transformer bank is always ?
times the rating of the smallest transformer in the bank. Correct
Answer - 3
When discussing the apprenticeship program and training, the why
of the trade is learned Correct Answer - In the classroom
Capacitance is measured in Correct Answer - Farad
, Commercial 3 phase generators have coils mounted on the stator
and are connected together as 3 circuits with a ? phase separation
Correct Answer - 120°
The manpower cost of a job is normally figured at ? of the total cost
Correct Answer - 40%
When paralleling to single phase Transformers both Transformers
must be connected blank Correct Answer - To the same
primary phase
Always disconnect the blank before working on or removing the
tank ground Correct Answer - Primary leads
Primary Power factor = Correct Answer - real power divided
by the Apparent power
Apparent A practice that will reduce lost time on a job is to
Correct Answer - Have good housekeeping
The responsibility for upholding the requirements of the bargaining
agreement belongs to Correct Answer - Contractors, local
Union business manager, and the local Union members
There are 2 voltages available in a ?system Correct Answer -
Wye
By conducting load studies, properly sizing and placing capacitors
can reduce the ? that an electrical supplier has to deliver to the
customer Correct Answer - KVAR
The mathematical symbol for inductance used in calculating AC
circuits is Correct Answer - L
