Ampere - Study guides, Study notes & Summaries

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? - correct answer 3 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)? - correct answer 225% Conductors must be derated when installed in conduit - correct answer on or above rooftops Continuous loads are cal...

Journeyman Electrician Exam Questions and Answers 2023 Graded A+ For other than one-and two-family dwellings, when building a new electrical service, at least one (1) 125-volt, single-phase, 15- or 20-ampere-rated receptacle outlet shall be located within at LEAST _____ of the electrical service equipment? -ANS>> 50 feet The ampacity of a conductor is defined by the NEC to be the maximum current, in amperes, a conductor can carry continuously under the conditions of use without exce...

NCTI Installer Technician 2023 | 200 Actual Questions and Answers 100% Correct

Absolute Temperature. CORRECT ANSWER A temperature measured in Kelvins (K) or Rankines (R). Accelerant. CORRECT ANSWER A fuel or oxidizer, often an ignitable liquid, intentionally used to initiate a fire or increase the rate of growth or spread of fire. Accident. CORRECT ANSWER An unplanned event that interrupts an activity and sometimes causes injury or damage or a chance occurrence arising from unknown causes; an unexpected happening due to carelessness, ignorance, and the like. Ambie...

MTTC Integrated Science (Secondary) Questions Answers 2023 Graticule slide marked with grid line, useful for counting or estimating a quantity Preparing acid solutions Always add acid to 2/3 water, then add rest of water # of Animal species over 1 million species and about 30 divisions # of insects 800,000 species, half of animal kingdom Characteristics of animal kingdom muliticellular, heterotrophic, reproduce sexually, do not have cell walls or chloroplasts, c...

Chapter 1: Chemical Foundations 1. Which of the following is an example of a quantitative observation? A) The piece of metal is longer than the piece of wood. B) Solution 1 is much darker than solution 2. C) The liquid in beaker A is blue. D) The temperature of the liquid is 60°C. E) At least two of the above (A-D) are quantitative observations. ANS: D DIF: Easy REF: 1.2 KEY: Chemistry | general chemistry | general concepts | scientific method MSC: Conceptual 2. A quantitative observa...

ISA Utility Specialist LATEST 2023- 2024 ACTUAL QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+ Volt - CORRECT ANSWER unit of electrical force and is roughly analogous to psi in a water pipe or hose. volt ampere ohm - CORRECT ANSWER One __________ is required to push one__________ of current across one __________ of resistance Voltage - CORRECT ANSWER __________ = Current X Resistance 120 volts - CORRECT ANSWER typical voltage limit for residential use, exclu...

answers The basic unit for measuring current flow is A. atomic weight B. Coulomb C. Volt D. Ampere Answer D. Ampere The basic unit of resistance A. Ohm B. Coulomb C. Ampere D. Volt Answer A. Ohm Which of the following is not a valid expression of Ohm's law? A. R=EI or (R=VI) B. E=IR or (V=IR) C. I= E/R or (I=V/R) D. R= E/I or (R= V/I) Answer A. R=EI or (R=VI) Which of the following is not a unit for measuring alternating frequencies A. Cycles per second B. Volts ...

The basic unit for measuring current now is A. atomic weight B. Coulomb C. Volt D. Ampere - D. Ampere The basic unit of resistance A. Ohm B. Coulomb C. Ampere D. Volt - A. Ohm Which of the following is not a valid expression of Ohm's law? A. R=EI or (R=VI) B. E=IR or (V=IR) C. EIR or (1=V/R) D. R: Ell or WI) - A. R=EI or (R=VI) Which of the following is not a unit for measuring altemating frequencies A. Cycles per second B. Volts C. Hertz D. Kilocycles - B. Volts Which of t...

A ? is defined as the circuit conductors between the final overcurrent device protecting the circuit and the outlet(s). - Answer-branch circuit A ? includes all circuit conductors between the service equipment, the source of a separately derived system, or other power supply source, and the final branch-circuit overcurrent device. - Answer-feeder A grounding electrode system is generally required for each building or structure served by a feeder. - Answer-True According to the NEC, that...