NETA 2 QUESTIONS AND ANSWERS ALREADY GRADED A
NETA 2 QUESTIONS AND ANSWERS ALREADY GRADED A Under what considerations can tag out without lock out be permitted? ***&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. Inverter Identify the contact pictured above. (NC and NO separated by a node) Form C When applying personal protective grounds, which end is attached first? ***&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? ***&30.2 HP How many connection points would you expect to find on a kelvin bridge? 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? ***&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? ***&22.000 ***27.500 ASTM D 924 is a required acceptance test for liquid-filled transformers with natural ester insulating fluid per NETA standards. ***&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? Yellow What is meant by a "dead tank breaker?" 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? Ground fault protection won't function Which of the following would best describe a 52 device: 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? 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? Mobil 28 What is the power factor temperature correction value for new mineral oil? ***&20C/40C OSHA requires the testing of a volt meter after a voltage test on voltage above ______. 600V A tagout device must be strong enough to remain attached under a minimum of ____ lbs of force. 50 A piece of wire that is 0.001 inches in diameter and 12 inches long is one mil-foot. True At least 2 entrances of sufficient area must be provided giving access to the electrical equipment working space. ***&True What is the Restricted Approach Boundary for a 69kV system? ***&3 ft 10 in. Which portion of the transmission system experiences faults occur most frequently? Overhead lines To reverse the direction of rotation of a three-phase motor, reverse: any two leads When can an unqualified person enter the Limited Approach Space? ***&They are never allowed within the Limited Approach space
Document information
- Uploaded on
- May 21, 2024
- Number of pages
- 36
- Written in
- 2023/2024
- Type
- Exam (elaborations)
- Contains
- Questions & answers