LADWP ELECTRIC STATION OPERATOR (CIRCUIT BREAKERS, DISCONNECTS, TRANSFORMERS) EXAM QUESTIONS WITH ALREADY PASSED ANSWERS!!

LADWP ELECTRIC STATION OPERATOR (CIRCUIT
BREAKERS, DISCONNECTS, TRANSFORMERS)
EXAM QUESTIONS WITH ALREADY PASSED
ANSWERS!!


Switching



One of the primary tasks of the Electric Station Operator is the __________ of
high voltage circuits.



Ans: 50 100



Electrical current may flow across the contacts of ____ to ____ electrical switches
before it reaches the consumer.



Ans: improper

,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.



Ans: switches



Electrical __________ are installed in the path from the generator to the
consumer to provide reliability, flexibility, and safeguards for the electrical power
system.



Ans: emergency



Operators use electrical switches to perform routine, automatic, and
____________ switching operations on the electrical system.



Ans: Routine



___________ switching is for maintenance, construction, cleaning, testing, etc.



Ans: Automatic



___________ switching operations include automatic reclosers (ARs), Voltage
Pickup Unit (VPUs), and Automatic Transfer Switching (ATSs).

, Ans: Emergency



___________ switching operations include insolate trouble, restoration, 4.8kV
Ground Search, etc.



Ans: Automatic



The placement of ___________ electrical switches in the power system makes it
possible to limit both the duration and the extent of power outages.



Ans: Emergency



__________ switching performed by Operators in usually in response to power
outages and abnormal conditions such as overloads.



Ans: manipulation



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.



Ans: Circuit breakers