EMF Study guides, Class notes & Summaries

NACE CP2 – EXAM QUESTIONS AND ANSWERS LATEST 2023 GRADED A+. NACE 2008 Student Manual! START OF CHAPTER 1 Corrosion is an electrochemical process involving A) flow of protons and electrons B) flow of neutrons and ions C) flow of protons and ions D) flow of electrons and ions E) flow of resistance and resistivity - correct answer d Metal loss or corrosion occurs at the A) cathode B) anode C) electronic path D) metallic path - correct answer b What are the four parts of the corrosi...

(4-081-1.16) The output voltage of a shunt DC generator is varied by adjusting the: Select one: a. Pole piece air gaps b. Output current c. EMF d. Field rheostat - ANSWER d (4-085-1.11) The Bourdon tube is often shaped in the form of a "C", having an arc span of about: Select one: a. 270 degrees b. 90 degrees c. 180 degrees d. 200 degrees - ANSWER a (4-037-2.7) The extinguishing medium for a Class "D" fire is: Select one: a. Carbon dioxide b. Dry powder c. Aqueous film fo...

What is the most important law applicable to the study of electricity? CORRECT ANSWER Ohm's Law (I = E ÷R) What are the elements of Ohm's Law? CORRECT ANSWER Voltage (E), current (I), and resistance (R) What are the sources of electrical power? CORRECT ANSWER Mechanical (generator), chemical (battery), photoelectric (light), and thermal (heat) What does an electrical circuit consist of? CORRECT ANSWER A source of electrical pressure or EMF, resistance in the form of an energy consumi...

A concise summary of all important elements regarding panel data, for the second half of the subject EMF.

Which tool is most approprite to clean battery connections? A. B. C. D. - AnswerThe minimum amp circuit breaker that should be used to protect 120V water heater circuit with a 1600-watt element would be rated at _________ amps. A. 15 B. 10 C. 20 D. 30 - Answer-A. 15 When testing for excessive EMF emissions near a conductor or appliance, the tool of choice is a(an): A. Ohmmeter B. DVOM C. Gauss meter D. infrared sensor - Answer-C. Gauss meter The primary problem with using a series...

A concise summary of all important elements for this topic, for the second half of the subject EMF.

NACE CP2 – EXAM QUESTIONS AND ANSWERS LATEST 2023 GRADED A+. NACE 2008 Student Manual! START OF CHAPTER 1 Corrosion is an electrochemical process involving A) flow of protons and electrons B) flow of neutrons and ions C) flow of protons and ions D) flow of electrons and ions E) flow of resistance and resistivity - correct answer d Metal loss or corrosion occurs at the A) cathode B) anode C) electronic path D) metallic path - correct answer b What are the four parts of the corrosi...

A concise summary of all important elements for this topic, for the second half of the subject EMF.

What does NEC stand for? - National Electric Code What is Ampacity? - The current carrying capacity of wire or cable expressed in amperes or amps. What is EMF? - Electromotive Force (volts) What is Amperage? - The measurement of electrical flow in a conductor. You check volts in parallel or series? - parallel You check amps in parallel or series? - series What is Voltage? - The difference in potential force between two points. Most often called Electromotiv...

NCATT AET Questions and Answers Already Passed Direct current is defined as the flow of electrons in one direction throughout a circuit with constant voltage and current Faraday's Law current will flow in a circuit provided there is electrical difference in potential and there is a path for it to flow Loads slow current by applying resistance Current flows from negative to positive Atoms represent the smallest elements that exist in nature Atoms are made up of protons, neutrons and electro...