Download NETA 2 EXAM 2024/2025 WITH 100% ACCURATE SOLUTIONS and more Exams Nursing in PDF only on Docsity! NETA 2 EXAM 2024/2025 WITH 100% ACCURATE SOLUTIONS Galvanometers are used to measure what - Precise Answer ✔✔current A 4-20mA single CT has a max range of 150 amp what is the amps at 14mA? - Precise Answer ✔✔105A When testing fuses, whether by resistance measurement or voltage measurement, the test probes should contact______________ or _______________. - Precise Answer ✔✔the metal end caps of ferrule fuses and the blades on knife-blade fuses. Buchholz relays are used to protect: - Precise Answer ✔✔Liquid transformers For high-voltage bushings without a capacitance tap, at what level would a hot collar watt-loss test indicate possible contamination? - Precise Answer ✔✔100mW Who is the main federal agency charged with the enforcement of safety and health legislation? - Precise Answer ✔✔Occupational Safety and Health Administration what does this schematic symbol represent - Precise Answer ✔✔battery From a safety perspective, which of the following tests is most important when servicing medium-voltage circuit breakers? - Precise Answer ✔✔First-trip testing Which protective relay functions on a predetermined value of polyphase voltage in the desired phase sequence? - Precise Answer ✔✔47 DEVICE Transformers work on which of the following principles: - Precise Answer ✔✔Faradays Law In a three-phase motor, the speed of rotation of the magnetic field is called the _____ speed. - Precise Answer ✔✔synchronous The shunt-type DC motor is known to have: - Precise Answer ✔✔good speed regulation Capacitance is directly proportional to the area of the plates. - Precise Answer ✔✔TRUE Five lines on a bolt head in the shape of a pentagon is a grade __ bolt - Precise Answer ✔✔7 six lines on a bolt head in the shape of a hexagon is a grade __ bolt - Precise Answer ✔✔8 In addition to the proper PPE, what is the minimum equipment required to verify phasing on a 480V double-ended substation with drawout circuit breakers? - Precise Answer ✔✔voltmeter or phasing sticks Voltage taps are usually located on the ____ side of a transformer. - Precise Answer ✔✔primary Schematic diagrams are principally utilized to show - Precise Answer ✔✔Device/circuit operation What does a withstand test determine - Precise Answer ✔✔Whether there are defects in the cable that will fail under test conditions What is the NETA-MTS recommended maximum AC test voltage for a high-potential test on a single-phase, 27kV line sectionalizer with a rated impulse withstand voltage of 125kV? - Precise Answer ✔✔40kv Facing the low-voltage side of a three phase transformer, where is H3? - Precise Answer ✔✔Over your right shoulder An MSDS is a document will normally not contain which of the following information? - Precise Answer ✔✔Proper chemical material mixing procedures what is a 79 device - Precise Answer ✔✔AC Reclosing Relay what is a 83 device - Precise Answer ✔✔Automatic Transfer Relay what is a 51 device - Precise Answer ✔✔AC Time Overcurrent Relay what is a 37 device - Precise Answer ✔✔Undercurrent/Underpower Relay what is a 59 device - Precise Answer ✔✔Overvoltage Relay what is a 67 device - Precise Answer ✔✔AC Directional Overcurrent Relay what is a 72 device - Precise Answer ✔✔DC Circuit Breaker what is a 52 device - Precise Answer ✔✔AC Circuit Breaker what is a 55 device - Precise Answer ✔✔Power Factor Relay what is a 46 device - Precise Answer ✔✔Unbalance Relay what is a 43 device - Precise Answer ✔✔Manual Transfer Switch what is a 50 device - Precise Answer ✔✔Instantaneous Overcurrent Relay Type AC Cable must have a bending radius at least _____ times the diameter of the cable. - Precise Answer ✔✔5 Which potential would you apply when performing an insulation resistance acceptance test on 300V rated cable? - Precise Answer ✔✔500vdc What are the three modes of operation using a power factor test set? - Precise Answer ✔✔Ground, Guard & UST A single transfer switch may be used where a single generator supplies emergency loads and other loads. - Precise Answer ✔✔false What protective relay functions on a predetermined value of polyphase voltage in the desired phase sequence? - Precise Answer ✔✔47 What device functions when the circuit admittance, impedance or reactance increases or decreases beyond predetermined limits? - Precise Answer ✔✔21 How much torque is required to produce 300 HP at 4600 RPM? - Precise Answer ✔✔343 lb-ft equation=Torque = HP x 5252 / RPM Sample valves should be flushed with at least _____ of waste liquid before collecting a transformer liquid sample. - Precise Answer ✔✔two quarts What can be used to test a the integrity of vacuum bottles? - Precise Answer ✔✔Hi-pot Conductors between the service equipment or source of separately derived systems and a panelboard are defined as ____ . - Precise Answer ✔✔feeders OSHA guidelines for head protection are referenced in: - Precise Answer ✔✔1926.100 Which of the following hard hats would you choose to protect from blows to both the top and sides of the head? - Precise Answer ✔✔Type 2 What two quantities are usually measured with a circuit breaker motion analyzer? - Precise Answer ✔✔Velocity and displacement A delta-connected set of windings has a phase current of 10 A. The line current is - Precise Answer ✔✔17.32 A When using a hydrometer, where is the specific gravity of a cell taken? - Precise Answer ✔✔1/3 way down side of cell DC compound motors are used to operate loads that require: - Precise Answer ✔✔relatively constant speed under varying loads Which of the following hard hats would you choose to protect from blows to both the top and sides of the head? - Precise Answer ✔✔Class 2