Voltage drop - Study guides, Class notes & Summaries

Electrostatic Discharge - Answer- What does the acronym ESD stand for? 100mA, 200mA - Answer- Current amounts between __ and __ can be lethal. Shock - Answer- What is the number one concern in regards to electrical safety? Protons, neutrons, electrons - Answer- Bohr's Atomic Model consists of what three components? Shells - Answer- Electrons are arranged in __ around the nucleus. Conductors, semi-conductors, and insulators - Answer- What are three types of materials used in elect...

What is the minimum working clearance from an electrical panel under 600 V? - ANSWERS36" Voltage drop in wire is a function of: - ANSWERSWire gauge, Length of wire, Current flow in the wire A 12-volt direct current, 13-watt fluorescent light is controlled by a photocell. The average daily on-time is 12 hours per day. How many watt-hours are consumed by the light on an average day? - ANSWERS156 Where may you use nonmetallic-sheathed cable? - ANSWERSinside floors and walls What is the...

What is the minimum working clearance from an electrical panel under 600 V? - 36" Voltage drop in wire is a function of: - Wire gauge, Length of wire, Current flow in the wire A 12-volt direct current, 13-watt fluorescent light is controlled by a photocell. The average daily on-time is 12 hours per day. How many watt-hours are consumed by the light on an average day? - 156 Where may you use nonmetallic-sheathed cable? - inside floors and walls What is the maximum permitted distance betwe...

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Electrical Level 3 Module 1 Load Calculations and Branch Feeder Circuits Quiz_ 2022. According to the NEC®, the ampacity of branch circuit conductors must be derated when there are more than how many current-carrying conductors in a raceway? Air conditioning overcurrent protective devices can never exceed what percentage of the motor-rated load current or the branch circuit selection current (whichever is greater)? Conductors must be derated when installed in conduit Continuous load...

ASVAB MEPS Exam 223 Questions with Verified Answers A radar is designed to report the track of an aircraft every second. If this radar reports 30 tracks in one minute, what percentage of the time did the radar track the aircraft? - CORRECT ANSWER 50% Jerry walked a dog from 6:40 a.m. to 7:30 a.m. one day. If he was paid at the rate of $6 per hour, how much did he earn that day? - CORRECT ANSWER $5.00 A woman is looking for a bigger square office. She finds an office twice the area of he...

HVAC Gas Heat Certification Exam (Latest 2024 / 2025 Update) 100% Correct Questions and Verified Answers | Grade A Question: A technician wraps a thermostat wire ten times around his clamp-on ammeter and measures 5.5 amps between R and W terminals on the thermostat sub-base. He should set the heat anticipator to Answer: 5.5 Question: A gas valve with 100% shut-off means Answer: Gas to a pilot and manifold is shut-off Question: A gas furnace has an electronic control...

NCTI ROC II BOOK II FINAL Test 1 question with correct answers rated A+ 2023 When pressure testing a drop system to check for leakage, What must be done before applying the test signal? - correct answer The technician must isolate the drop system from the hybrid fiber/coax (HFC) network by disconnecting the drop at the distribution tap. Why do some leakage detection systems utilize a leakage carrier modulated with a tagging signal? - correct answer To avoid false detection of leaks. When ...

An off-grid installation has a 1HP pump that is on 10% of the time and a 20W light that is on 100% of the time. What is the monthly energy use? - correct answer 68KWh 1HP = 746W 746W * 0.1 * 24hours * 30days = 53712Wh 20W * 24hrs * 30days = 14400Wh 14400 + 53712 = 68112Wh 68kWh What kind of ground faults do most inverters detect? - correct answer DC Inverters detect dc ground faults. AC ground faults are detected on the AC side of the inverter at the distribution paned (MSP, load center...

Princeton MCAT Exam #2 Questions and Answers (Graded A)Princeton MCAT Exam #2 Questions and Answers (Graded A)Princeton MCAT Exam #2 Questions and Answers (Graded A)Princeton MCAT Exam #2 Questions and Answers (Graded A)What single change to the experimental system would reduce the electric field strength necessary to maintain the oil drop in static equilibrium? - ANSWER - Decreasing the mass of the drop -When the oil drop (with charge -q) is in static eqbm, the electric force it feels, qE up...