NETA 2 exam questions with answers

NETA 2 exam questions with answers

Under what considerations can tag out without lock out be permitted? - ANSWER: ➡ ***&If an energy
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isolating device is not capable of being locked
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For PV systems, a(n) _____ is a device that changes direct-current input to an alternating-current
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output. - ANSWER: ➡ Inverter
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Identify the contact pictured above. (NC and NO separated by a node) - ANSWER: ➡ Form C
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When applying personal protective grounds, which end is attached first? - ANSWER: ➡ ***&The
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equipment end
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An induction motor has 40kVA input power, a power factor of 82 percent, and an efficiency of 92
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percent. What is the horsepower? - ANSWER: ➡ ***&30.2 HP
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How many connection points would you expect to find on a kelvin bridge? - ANSWER: ➡ 4
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You arrive at a job to perform acceptance testing on a new-indoor 15KV switch lineup. While the
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equipment has been installed multiple covers are off there are power conductors hanging with taped
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ends. What should you do? - ANSWER: ➡ ***&Visually confirm that the source of power have already
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been de-energized and lock out
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What is the turns ratio of a 3-phase 500kVA, 13,200-480 volt rated delta-delta transformer that is 80%
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loaded? - ANSWER: ➡ ***&22.000
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***27.500


ASTM D 924 is a required acceptance test for liquid-filled transformers with natural ester insulating
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fluid per NETA standards. - ANSWER: ➡ ***&True
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,NETA-ATS requires test decals be affixed on the exterior of equipment or equipment enclosure of
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protective devices after performing electrical tests. Which color test decal would you affix to a piece of
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equipment with a minor deficiency that does not affect its fault detection or operation? - ANSWER: ➡
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Yellow
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What is meant by a "dead tank breaker?" - ANSWER: ➡ The external tank is grounded.
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If you have your ground conductor running through your zero-sequence CT with your current carrying
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conductors, what will happen? - ANSWER: ➡ Ground fault protection won't function
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Which of the following would best describe a 52 device: - ANSWER: ➡ AC circuit breaker
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A series circuit has two resistors. The resistors dissipate 10 W and 15 W. What is the total power
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dissipation of the circuit? - ANSWER: ➡ 25 W
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Which of the following would be the best choice for use in both the conductive and mechanical areas of
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circuit breakers and switches? - ANSWER: ➡ Mobil 28
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What is the power factor temperature correction value for new mineral oil? - ANSWER: ➡
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***&20C/40C
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OSHA requires the testing of a volt meter after a voltage test on voltage above ______. - ANSWER: ➡
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600V
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A tagout device must be strong enough to remain attached under a minimum of ____ lbs of force. -
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ANSWER: ➡ 50
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A piece of wire that is 0.001 inches in diameter and 12 inches long is one mil-foot. - ANSWER: ➡ True
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At least 2 entrances of sufficient area must be provided giving access to the electrical equipment
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working space. - ANSWER: ➡ ***&True
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, What is the Restricted Approach Boundary for a 69kV system? - ANSWER: ➡ ***&3 ft 10 in.
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Which portion of the transmission system experiences faults occur most frequently? - ANSWER: ➡
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Overhead lines
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To reverse the direction of rotation of a three-phase motor, reverse: - ANSWER: ➡ any two leads
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When can an unqualified person enter the Limited Approach Space? - ANSWER: ➡ ***&They are never
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allowed within the Limited Approach space
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Cells are connected in series to increase: - ANSWER: ➡ ***Voltage rating
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The three-phase connection in which one end of each of the windings are connected together is called
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the _____ connection. - ANSWER: ➡ ***delta
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What is the recommended minimum insulation-resistance value for motor windings made before
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1970? - ANSWER: ➡ ***100 Megohms per kV + 1
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A digital multimeter, when set to read voltage, has an input impedance of - ANSWER: ➡ ***a fixed, high
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impedance regardless of range
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Class 00 rubber insulating gloves are proof tested at 2,500 VAC, what color label would you expect to
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find on these gloves? - ANSWER: ➡ ***White
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Write three thousand fortyeight tenthousandths in decimal form. - ANSWER: ➡ ***0.3048
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What is the primary purpose of the National Electrical Code? - ANSWER: ➡ ***The practical
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safeguarding of persons and property from electrical hazards.
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Each switchboard used as service equipment should be provided with a main bonding jumper. -
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ANSWER: ➡ ***True
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