NETA 3 LATEST EXAM PREP
QUESTIONS AND ANSWERS PDF 2026
▶ he liquid level indicator is calibrated to ______ at normal operating
conditions. Answer: Temperature at 25C
▶ Which of the following hard hats would you choose to protect your head
when working around high voltages? Answer: E
▶ Which of the following relays is provided as the primary protection of
transmission lines: Answer: Distance
▶ Harmonics can cause unwanted tripping of protective relays. Answer:
True
▶ ;';'Buchholz relays are used to protect: Answer: liquid transformers
▶ An oxygen enriched atmosphere: Answer: is unsafe
▶ A given transformer is filled with an insulating liquid that has a specific
gravity of 0.98, from where would you draw a sample? Answer: bottom of
tank
▶ When operating a no-load tap-changer: Answer: De-energize the
transformer completely before changing taps
▶ When using primary current injection to test the circuit overload
protection provided by a circuit breaker apply ________. Answer: three
times the long-term delay setting
▶ Class 2 rubber insulating gloves are proof tested at 20,000 VAC, what is
the AC max use voltage of these gloves? Answer: 17,000
▶ Which of these would NOT be considered a confined space? Answer:
Ventilated room
QUESTIONS AND ANSWERS PDF 2026
▶ he liquid level indicator is calibrated to ______ at normal operating
conditions. Answer: Temperature at 25C
▶ Which of the following hard hats would you choose to protect your head
when working around high voltages? Answer: E
▶ Which of the following relays is provided as the primary protection of
transmission lines: Answer: Distance
▶ Harmonics can cause unwanted tripping of protective relays. Answer:
True
▶ ;';'Buchholz relays are used to protect: Answer: liquid transformers
▶ An oxygen enriched atmosphere: Answer: is unsafe
▶ A given transformer is filled with an insulating liquid that has a specific
gravity of 0.98, from where would you draw a sample? Answer: bottom of
tank
▶ When operating a no-load tap-changer: Answer: De-energize the
transformer completely before changing taps
▶ When using primary current injection to test the circuit overload
protection provided by a circuit breaker apply ________. Answer: three
times the long-term delay setting
▶ Class 2 rubber insulating gloves are proof tested at 20,000 VAC, what is
the AC max use voltage of these gloves? Answer: 17,000
▶ Which of these would NOT be considered a confined space? Answer:
Ventilated room
