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