QUESTIONS AND CORRECT ANSWERS |ALREADY
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One of the primary tasks of the Electric Station Operator is
the __________ of high voltage circuits. - ANSWER-
switching
Electrical current may flow across the contacts of ____ to
____ electrical switches before it reaches the consumer. -
ANSWER-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. - ANSWER-improper
Electrical __________ are installed in the path from the
generator to the consumer to provide reliability, flexibility,
and safeguards for the electrical power system. -
ANSWER-switches
Operators use electrical switches to perform routine,
automatic, and ____________ switching operations on the
electrical system. - ANSWER-emergency
,___________ switching is for maintenance, construction,
cleaning, testing, etc. - ANSWER-Routine
___________ switching operations include automatic
reclosers (ARs), Voltage Pickup Unit (VPUs), and
Automatic Transfer Switching (ATSs). - ANSWER-
Automatic
___________ switching operations include insolate
trouble, restoration, 4.8kV Ground Search, etc. -
ANSWER-Emergency
, The placement of ___________ electrical switches in the
power system makes it possible to limit both the duration
and the extent of power outages. - ANSWER-Automatic
__________ switching performed by Operators in usually
in response to power outages and abnormal conditions
such as overloads. - ANSWER-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. - ANSWER-
manipulation
_________ banks connect together buses of different
voltages such as 138kV to 230kV. - ANSWER-bus