Electric Study guides, Class notes & Summaries

Study Learning Unit 1. Consider Activity 1.1 (Q1-Q5) Page 12 of your study guide (follow the instructions below). In each question above do the following: 1. Read through the activities and answer the questions as specified in activity 1.1. ACTIVITY 1.1 (1) Differentiate between the key concepts of civil technology and engineering graphics and design. (2) Discuss (in not less than a page) the concepts “technology” and “technology education” in your context, indicating the role ...

HVAC Excellence - ELECTRICITY Exam 2024 Guide with complete solution

Electrical devices operating at less than ___ volts and not supplying more than ___ watts of energy shall be exempt from requiring an electrical permit. CORRECT ANSWER 25,50 Section R105.2 Electrical #4 Who has the authority to give permission to provide temporary power? CORRECT ANSWER Building Official Section R107.3 A ______ conductor is a conductor that is encased within a material or has a thickness NOT recognized by the IRC as electrical insulation. CORRECT ANSWER Covered De...

NCCER Electrical Test Questions and Answers (2024 / 2025) (Verified Answers)

When using a low voltage T-stat for heating and cooling, when would there be a jumper between Rh and Rc? Select one: a. When using a single transformer system b. When heating with an oil boiler c. When heating with a gas boiler d. When using a two transformer system - Answer-A) When Using a single transformer system Digital thermostats usually display temperature, time of day, programming and operating status. Select one: True False - Answer-True With the fan switch in the on position...

How DC motors operate? Magnetic lines of force are continuous and always form closed loops; Magnetic lines of force do not cross. Armature: (Definition) The rotating windings of a DC motor. The ____ is a movable electromagnet located between the poles of another fixed permanent (field) magnet as shown. Armature A twisting force called ______ must be developed. _____ is produced by mounting a loop in a fixed magnetic field and as long as the fields of the magnet and armatu...

An AC circuit consists only of a pure inductance and a power source. The relationship between the voltage and the current in this circuit is that the correct answer: current lags the voltage The power factor of a load is equal to the ____________ power divided by the ____________ power. correct answer: True ; apparent A 10-ohms and 20-ohms resistor are connected in parallel. The total line current drawn by this parallel combination is 30 amps. Under these conditions, the line voltage wil...

branch circuit correct answersThat portion of a wiring system extending beyond the final overcurrent device is called the: Calculated load correct answersThe final sum of the computed loads, based on the minimum code requirements, is the Resistance correct answersAs compared to #10, a #8 wire of the same Iength has less: 0.001 inch correct answersOne circular mil is the area of a circle whose diameter is: 1,000,000 cm correct answersA round bus-bar one inch in diameter, has a circular mil ar...

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