LADWP Electric Station Operator Exam 2025/2026 EDITION | CIRCUIT BREAKERS, DISCONNECTS, TRANSFORMERS | VERIFIED QUESTIONS WITH PASSED ANSWERS

LADWP Electric Station Operator Exam 2025/2026 EDITION |
CIRCUIT BREAKERS, DISCONNECTS, TRANSFORMERS | VERIFIED

QUESTIONS WITH PASSED ANSWERS


SECTION 1: SWITCHING OPERATIONS & CLASSIFICATIONS
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1. One of the primary tasks of the Electric Station Operator is the
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A. monitoring
B. switching
C. maintaining
D. designing

Correct Answer: B. switching
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Rationale: The primary operational task of the Electric Station Operator is switching high-
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voltage circuits to control power flow, isolate equipment, and maintain system reliability .
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2. switching is performed for maintenance, construction, cleaning, and testing purposes.
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A. Emergency
B. Automatic
C. Routine
D. Manual

Correct Answer: C. Routine
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Rationale: Routine switching is planned work performed for maintenance, construction, cleaning, and tes ti
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ng of equipment .
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3. switching operations include automatic reclosers (ARs), Voltage Pickup Units (VPUs), a
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nd Automatic Transfer Switching (ATSs).
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A. Manual
B. Emergency
C. Routine
D. Automatic

Correct Answer: D. Automatic
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, Rationale: Automatic switching operations are performed by devices such as automatic reclosers, VPUs, an
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d ATSs without direct operator intervention .
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4. switching is performed in response to power outages and abnormal conditions such as
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overloads.

A. Routine
B. Automatic
C. Emergency
D. Scheduled

Correct Answer: C. Emergency
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Rationale: Emergency switching is the operator's response to power outages and abnormal conditions .
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5. The placement of
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electrical switches in the power system makes it possible to limit bot h the duration and the extent o
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f power outages.
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A. manual
B. automatic
C. routine
D. emergency

Correct Answer: B. automatic
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Rationale: Automatic switching devices respond instantly to system faults .
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6. Operators use electrical switches to perform routine, automatic, and
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switching operati ons on the electrical system.
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A. scheduled
B. manual
C. emergency
D. maintenance

Correct Answer: C. emergency
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Rationale: The three categories of switching operations are routine, automatic, and emergency .
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7. Bank switching is performed in substations to provide adequate capacity for customer load, to prov i
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de an alternate source for customer load when equipment maintenance is required, and to:
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A. reduce voltage bn




B. search for 4.8kV groundsbn bn bn