NACE CP1 Exam Questions & Answers 100% Correct

Area of a rectangle - ANSWER-Length times width Current decrease - ANSWER-Voltage decreases if resistance stays the same Current increase - ANSWER-Voltage increases resistance stays the same Faraday's law - ANSWER-The mass of a substance altered I am electrode during electro sis is directly proportional to the quantity of electricity transferred at the electrode Faraday's law formula - ANSWER-M = K x l x t Ohm's law - ANSWER-V=IR I=V/R R=V/l PEMDAS - ANSWER-Order of operations (parentheses exponents multiplication division addition subtraction) pH Acidic - ANSWER-7 - high concentration of hydrogen ions pH Alkaline (basic) - ANSWER-7 - low concentration of hydrogen ions pH scale - ANSWER-1-Acidic 7-neutral 14-Alkaline (basic) Resistance - ANSWER-Opposition to flow of electrical charges Resistance - high - ANSWER-Long thin low conductive material low temperature Resistance - low - ANSWER-Short thick conductive material high temperature Resistance of Material - ANSWER-p=rho=resistivity Resistivity of material - ANSWER- Voltage decrease - ANSWER-Current decreases if resistance stays the same Voltage increase - ANSWER-Current increases if resistance stays the same Volt source - ANSWER-Total voltage drop