Ampere Study guides, Revision 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...

Michigan Journeyman test | 2023/24 questions and answers There are six conductors in a race way connected to 75° C rated circuit breaker. Each wire has a 70 amp load using THHM conductors. The minimum size conductors used our #_________AWG - 4 Thermal insulation shall not be installed within _________inches of recessed lighting fixtures - 3 A 1 inch conduit contains three wire circuits or a phase system. All conductors are number 10 TW. Each circuit consist of two phase conductors and on...

m   1. Which of the following is the mRNA start codon in most cases? A. UAA B. AGU C. AUG D. UGA 2. Which of the types of RNA is the smallest? A. mRNA B. tRNA C. rRNA D. 3. Which of the following is not considered a pyrimidine? A. C B. T C. U D. G 4. Which of the following is paired correctly? A. A-G B. C-G C. A-U D. G-T 5. Which of the following characterizes a Western blot? A. Antibody/protein hybridization B. DNA/RNA combination C. RNA ...

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...

PHYS 1260 Exam 1 DeWitt questions and answers ,latest updated Just as gravity is the study of a wide range of interactions, "electricity" is the study of a wide range of a) electrical charges b) electrical forces c) electrical interactions d) none of the above C Electrostatics is a branch of electricity that focuses on a) electrical charge b) electrical force c) both of these when static d) none of the above C In an electrically neutral atom the number of protons in th...

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...

Worn motor bearings are most to result in a(n)___. continuous overload A high-level short circuit current may exceed ___. 50,000A` Accidental contact between an electrical conductor and a grounded enclosure is called a(n)___. ground fault Most arcing faults begin as ___. ground faults A plug fuse with a hexagonal cap has a maximum amperage rating of ___. 15A Under normal operation and at currents near its ampere rating, a fuse operates as a ___. conductor...

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 ...

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...

Ham Radio Technician Exam Questions & Answers 2024/2025 T0A01 Which of the following is a safety hazard of a 12-volt storage battery? - ANSWERSB. Shorting the terminals can cause burns, fire, or an explosion T0A02 How does current flowing through the body cause a health hazard? - ANSWERS(D) All of these choices are correct (heats tissue, disrupts electrical functions of the cells & involuntary muscle contractions) T0A03 What is connected to the green wire in a three-wire electrical ...