NETA 2 Exam 2023 Test With Correct Answers.

NETA 2 Exam 2023 Test With Correct Answers. Under what considerations can tag out without lock out be permitted? - Answer ***&If an energy isolating device is not capable of being locked For PV systems, a(n) _____ is a device that changes direct-current input to an alternating-current output. - Answer Inverter Identify the contact pictured above. (NC and NO separated by a node) - Answer Form C When applying personal protective grounds, which end is attached first? - Answer ***&The equipment end An induction motor has 40kVA input power, a power factor of 82 percent, and an efficiency of 92 percent. What is the horsepower? - Answer ***&30.2 HP How many connection points would you expect to find on a kelvin bridge? - Answer 4 You arrive at a job to perform acceptance testing on a new-indoor 15KV switch lineup. While the equipment has been installed multiple covers are off there are power conductors hanging with taped ends. What should you do? - Answer ***&Visually confirm that the source of power have already been de-energized and lock out What is the turns ratio of a 3-phase 500kVA, 13,200-480 volt rated delta-delta transformer that is 80% loaded? - Answer ***&22.000 ***27.500 ASTM D 924 is a required acceptance test for liquid-filled transformers with natural ester insulating fluid per NETA standards. - Answer ***&True NETA-ATS requires test decals be affixed on the exterior of equipment or equipment enclosure of protective devices after performing electrical tests. Which color test decal would you affix to a piece of equipment with a minor deficiency that does not affect its fault detection or operation? - Answer Yellow What is meant by a "dead tank breaker?" - Answer The external tank is grounded. If you have your ground conductor running through your zero-sequence CT with your current carrying conductors, what will happen? - Answer Ground fault protection won't function Which of the following would best describe a 52 device: - Answer AC circuit breaker A series circuit has two resistors. The resistors dissipate 10 W and 15 W. What is the total power dissipation of the circuit? - Answer 25 W Which of the following would be the best choice for use in both the conductive and mechanical areas of circuit breakers and switches? - Answer Mobil 28 What is the power factor temperature correction value for new mineral oil? - Answer ***&20C/40C OSHA requires the testing of a volt meter after a voltage test on voltage above ______. - Answer 600V A tagout device must be strong enough to remain attached under a minimum of ____ lbs of force. - Answer 50 A piece of wire that is 0.001 inches in diameter and 12 inches long is one mil-foot. - Answer True At least 2 entrances of sufficient area must be provided giving access to the electrical equipment working space. - Answer ***&True What is the Restricted Approach Boundary for a 69kV system? - Answer ***&3 ft 10 in. Which portion of the transmission system experiences faults occur most frequently? - Answer Overhead lines To reverse the direction of rotation of a three-phase motor, reverse: - Answer any two leads When can an unqualified person enter the Limited Approach Space? - Answer ***&They are never allowed within the Limited Approach space Cells are connected in series to increase: - Answer ***Voltage rating The three-phase connection in which one end of each of the windings are connected together is called the _____ connection. - Answer ***delta What is the recommended minimum insulation-resistance value for motor windings made before 1970? - Answer ***100 Megohms per kV + 1 A digital multimeter, when set to read voltage, has an input impedance of - Answer ***a fixed, high impedance regardless of range Class 00 rubber insulating gloves are proof tested at 2,500 VAC, what color label would you expect to find on these gloves? - Answer ***White Write three thousand fortyeight tenthousandths in decimal form. - Answer ***0.3048 What is the primary purpose of the National Electrical Code? - Answer ***The practical safeguarding of persons and property from electrical hazards. Each switchboard used as service equipment should be provided with a main bonding jumper. - Answer ***True Harmonics increase the risk of fire and electric shock. - Answer ***True The ________ section of a switchboard receives power from the service section and feeds it to various downstream loads. - Answer ***distribution Three inductors of 60mH, 120mH and 75mH respectively, are connected together in a parallel combination with no mutual inductance between them. Calculate the total inductance of the parallel combination in millihenries. - Answer ***26 mH What is the distance between points (3, 5) and (4, 5) on the rectangular coordinate grid? - Answer ***1 Which of the following sets of terminals would you expect to find on a DLRO? - Answer ***C1, P1, C2, P2 Determine the RMS amplitude of this sinusoidal waveform, as displayed by an oscilloscope with a vertical sensitivity of 0.2 volts per division: - Answer ***0.32 The dataplate on a condenser bushing shows values for C2. What do these represent? - Answer ***The power factor and capacitance that should be measured between the tap and the ground flange .