Low voltage - Study guides, Class notes & Summaries

NM ES-3 Test (New Mexico Low Voltage Journeyman) Questions With Complete Solutions

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 ...

Before working on an electric furnace the tech should - ans-Review diagram, remove jewelry, and follow safety procedures. ALL OF THE ABOVE. A GFCI circuit breaker - ans-detects current leaks to groound the conductor in an electric heat element is usually made of - ans-Nichrome An example of resistive load is - ans-crankcase heater an example of an inductive load is - ans-motor an electric furnace is marked 208/230 single phase 60Hz A tech reads 200 vac at the p...

Electrical Shock - correct answer Sensation and muscular spasm cause when electric current passes through the body Voltage - correct answer Potential of electric energy; pressure of electrons pushing away from each other Current - correct answer Flow of electrons Most dangerous paths - correct answer Hand to hand & left hand to either foot Factors affecting shock - correct answer Amount of current, path of current, amount of body resistance, length of time current flows in ...

NR546 Psychopharm Midterm Exam Questions and Answers Latest 2024/2025 | GRADED | 100% SOLVED. How does the orbitofrontal cortex (OFC) affect the amygdala? - ANSWER inhibits and activates the amygdala Wisnicke's area is associated with which of the following? - ANSWER speech comprehension The limbic system is associated with which of the following - ANSWER emotion and learning Which brain structure is most associated with long term memory?- ANSWER hippocampus When prescribing psychotropi...

What is the first thing a tech should do when arriving at a no combustion call? - Answer- Ask how many times the customer reset the unit. What is the best long term solution for preventing a clogged nozzle? - Answer- -Remove any underground storage tanks. -Install a quality oil filter. -Cut the suction line 10" above the tank outlet to prevent sludge. Hot water and steam valves are interchangeable. - Answer- False When in the presence of a flame, a cad cell normally reads.. - Answe...

When connecting a 3-phase motor the three lines (T1,T2 and T3) are usually connected to __________. - L1, L2, and L3 Electricians use __________ to prevent damage to electrical wiring running to the machine. - rigid and flexible conduit When the wire or foil strip inside a fuse melts, the fuse is said to be __________. - blown The difference between a fuse and a circuit breaker is __________. - circuit breakers can be reset and used again The amount two electrical...

1. A contractor wants to raise the car speed from 100fpm to 125fpm, it currently has a 12" sheave. What sheave is required?: Diam=12" 12/4=3" 25fpm=3" 100fpm + 25fpm= 12"+3"= 15" sheave 2. A MOV (Metal Oxide Varistor) burns out. You replace it, but cannot read voltage or resistance. What should you do?: Replace it with a larger MOV 3. On a Ward-Leonard circuit the break is set, but the motor is trying to slip through the break. What is the issue?: Suicide Circuit 4. You have an old DC ...

LOW VOLTAGE PRACTICE TEST 2 QUESTIONS WITH 100% COMPLETE ANSWERS!!

RADT 146 Test 3 Exam Questions and Answers What are microfocus (fractional) tubes used for and what size are they - Answer-Magnification or mammography; .3mm or less fss What are the size of dual focus tubes - Answer-.5/1.0mm or .6/1.2mm fss Larger focal spot size ______ detail (300MA or more) Smaller focal spot size ________ detail (200 MA or less) - Answer-Decreases Increases Whats the primary purpose of filtration? - Answer-Reduces patient exposure by absorbing low level x-ray e...