Insulation resistance - Study guides, Class notes & Summaries

Which of the following is true with regard to switchboards Switchboards are used to subdivide large blocks of power When installing wiring within switchgear, use self adhesive cable ties every ___. 12" (300mm) The maximum voltage that a piece of equipment can withstand is known as its ____. Basic impulse insulation level (BIL) Bolted pressure switches are often used in place of ___. Circuit breakers A transformer's temperature rise rating refers to ___. The max...

NETA level II exam questions & answers 2023 What is the preferred method of performing primary-injection testing on a low voltage circuit breaker with ground fault protection? Use of the manufacturer's test kit or rewiring the neutral CT input is the preferred method of primary-injection testing on a low voltage circuit breaker with ground fault protection, otherwise two poles can be connected in series to provide balanced secondary currents to the trip unit. At what current level does ...

What material should be used for seating brushes? correct answers Sandpaper Readings on the meter appear to be inaccurate, what should you do? correct answers Test meter A machine that converts mechanical energy into electrical energy correct answers Generator What is the purpose of interpoles in a motor? correct answers Helps prevent neutral planes from shifting In the basic loop circuit generator armature supplies DC power to what DC elevator hoist motor component? correct answers ...

NEIEP 400 Final Review (all Answered Correctly) What material should be used for seating brushes? Correct Answer Sandpaper Readings on the meter appear to be inaccurate, what should you do? Correct Answer Test meter A machine that converts mechanical energy into electrical energy Correct Answer Generator What is the purpose of interpoles in a motor? Correct Answer Help prevent neutral plains from shifting In the basic loop circuit generator armature supplies DC power to what DC e...

Asbestos Test Actual Exam Questions Answered Correctly | Verified Update Individuals who smoke and are exposed to asbestos gave a much greater chance of contracting lung cancer than those who do not; the compound effect of both carcinogens can be called. . - ANSWER Synergistic effect Which of the following activities are expected to create high concentrations of asbestos in the air (Class 1 work according to OSHA)? - ANSWER aggressive maintenance activities around thermal syste...

BICSI - Installer 1 – Exam Review | 120 Questions | 100% Correct Answers B A third 90-degree bend may be permitted in a conduit run if the run does NOT exceed ______? A 5 m (16.5') B 10 m (33') C 15 m (50') D 30 m (100') C Which of the following is a property of an electromagnetic field built around a conductor that opposes any changes in current flow in a circuit? A Impedance B Capacitance C Inductance D Resistance A Which of the following markings is used for no...

Columns and piers are generally inspected from _________________. A. the inside of the home B. the outside of the home C. the basement or crawl space D. lifting the subfloor - Ans: C. the basement or crawl space Which action is required by most standards of practice? A. required to enter underfloor crawl spaces and attic spaces if the property has them B. required to probe structural components where deterioration is suspected C. required to report cracks in the foundation only if they...

circuit breaker mean? a. The breaker is inexpensive b. The breaker will have lots of nuisance trips c. The breaker will trip out regardless of conditions d. The breaker will only trip at 150% of its rated amperage b. 8 amps (E-11 Table XII Conductor Ampacity - Flexible Cords) - ANSWER maximum current carrying capacity for an flexible cord of 16 AWG with 2 current carrying conductors inside the engine spaces is a. 6 amps b. 8 amps c. 10 amps d. 20 amps c. only in one direction - ANS...

NETA III questions with complete solutions 2023 verifiedWhat is the approximate sum of the following two vectors? Magnitude 23 at 62° and magnitude 17 at 10°. magnitude 40 at 72° magnitude 5 at 52° magnitude 40 at 52° magnitude 36 at 40° - correct answer magnitude 40 at 72*** Which is the correct definition of THD as put forth in IEEE 1159? THD is the power factor under the condition of no load. THD is the total hysteresis distortion of a selected transforme...

AC Theory Practice Exam Questions And Answers In New Zealand, the standard distribution system has the neutral conductor connected to the earth at the main switchboard on all low voltage installations. What name is given to this type of system? - ANS Multiple Earthed Neutral or MEN system. State the test voltage used for carrying out an insulation resistance test on three-phase, 400V, electrical equipment incorporating MIMS elements. - ANS-500 V d.c. State the minimum permitted test r...