LADWP ELECTRIC STATION OPERATOR (CIRCUIT BREAKERS, DISCONNECTS, TRANSFORMERS)
QUESTIONS & ANSWERS LATEST UPDATE
LADWP Electric Station Operator (Circuit Breakers, Disconnects, Transformers) Questions &
Answers Latest Update
One of the primary tasks of the Electric Station Operator is the __________ of high voltage
circuits. - ✔✔✔switching
Electrical current may flow across the contacts of ____ to ____ electrical switches before it
reaches the consumer. - ✔✔✔50 100
The __________ operation of these electrical switches can pose a serious hazard to personnel,
can cause destruction of expensive power system equipment, and can cause unnecessary
interruption of electrical service to consumers. - ✔✔✔improper
Electrical __________ are installed in the path from the generator to the consumer to provide
reliability, flexibility, and safeguards for the electrical power system. - ✔✔✔switches
Operators use electrical switches to perform routine, automatic, and ____________ switching
operations on the electrical system. - ✔✔✔emergency
___________ switching is for maintenance, construction, cleaning, testing, etc. - ✔✔✔Routine
___________ switching operations include automatic reclosers (ARs), Voltage Pickup Unit
(VPUs), and Automatic Transfer Switching (ATSs). - ✔✔✔Automatic
___________ switching operations include insolate trouble, restoration, 4.8kV Ground Search,
etc. - ✔✔✔Emergency
The placement of ___________ electrical switches in the power system makes it possible to
limit both the duration and the extent of power outages. - ✔✔✔Automatic
®™
, LADWP ELECTRIC STATION OPERATOR (CIRCUIT BREAKERS, DISCONNECTS, TRANSFORMERS)
QUESTIONS & ANSWERS LATEST UPDATE
__________ switching performed by Operators in usually in response to power outages and
abnormal conditions such as overloads. - ✔✔✔Emergency
The electrical function of switches falls into two categories; ___________ of relatively high
values of current and voltage under load AND the switching of circuits to provide a visual
confirmation of de-energization. - ✔✔✔manipulation
__________ are electrical switches that are used to manipulate high values of current and
voltage in circuits that are carrying current or will be carrying current following the operation. -
✔✔✔Circuit breakers
Transformers and voltage regulators must be energized and de-energized using __________. -
✔✔✔Circuit breakers
__________ are designed to open, close, energize, de-energize, and interrupt normal and
abnormal values of current flow in electrical circuits - ✔✔✔Circuit breakers
__________ are provided as a method of visually confirming that a circuit has been
"disconnected" from specified sources of electrical energy. - ✔✔✔Disconnects
__________ are used to energize or de-energize short sections of conductor such as leads
connecting a circuit breaker to its associated disconnects. - ✔✔✔Disconnects
__________ are not designed to interrupts current flow, open or close circuits, or energize and
de-energize circuits other than short sections. - ✔✔✔Disconnects
®™
QUESTIONS & ANSWERS LATEST UPDATE
LADWP Electric Station Operator (Circuit Breakers, Disconnects, Transformers) Questions &
Answers Latest Update
One of the primary tasks of the Electric Station Operator is the __________ of high voltage
circuits. - ✔✔✔switching
Electrical current may flow across the contacts of ____ to ____ electrical switches before it
reaches the consumer. - ✔✔✔50 100
The __________ operation of these electrical switches can pose a serious hazard to personnel,
can cause destruction of expensive power system equipment, and can cause unnecessary
interruption of electrical service to consumers. - ✔✔✔improper
Electrical __________ are installed in the path from the generator to the consumer to provide
reliability, flexibility, and safeguards for the electrical power system. - ✔✔✔switches
Operators use electrical switches to perform routine, automatic, and ____________ switching
operations on the electrical system. - ✔✔✔emergency
___________ switching is for maintenance, construction, cleaning, testing, etc. - ✔✔✔Routine
___________ switching operations include automatic reclosers (ARs), Voltage Pickup Unit
(VPUs), and Automatic Transfer Switching (ATSs). - ✔✔✔Automatic
___________ switching operations include insolate trouble, restoration, 4.8kV Ground Search,
etc. - ✔✔✔Emergency
The placement of ___________ electrical switches in the power system makes it possible to
limit both the duration and the extent of power outages. - ✔✔✔Automatic
®™
, LADWP ELECTRIC STATION OPERATOR (CIRCUIT BREAKERS, DISCONNECTS, TRANSFORMERS)
QUESTIONS & ANSWERS LATEST UPDATE
__________ switching performed by Operators in usually in response to power outages and
abnormal conditions such as overloads. - ✔✔✔Emergency
The electrical function of switches falls into two categories; ___________ of relatively high
values of current and voltage under load AND the switching of circuits to provide a visual
confirmation of de-energization. - ✔✔✔manipulation
__________ are electrical switches that are used to manipulate high values of current and
voltage in circuits that are carrying current or will be carrying current following the operation. -
✔✔✔Circuit breakers
Transformers and voltage regulators must be energized and de-energized using __________. -
✔✔✔Circuit breakers
__________ are designed to open, close, energize, de-energize, and interrupt normal and
abnormal values of current flow in electrical circuits - ✔✔✔Circuit breakers
__________ are provided as a method of visually confirming that a circuit has been
"disconnected" from specified sources of electrical energy. - ✔✔✔Disconnects
__________ are used to energize or de-energize short sections of conductor such as leads
connecting a circuit breaker to its associated disconnects. - ✔✔✔Disconnects
__________ are not designed to interrupts current flow, open or close circuits, or energize and
de-energize circuits other than short sections. - ✔✔✔Disconnects
®™
