NCCER Electrical Study guides, Class notes & Summaries

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

Light energy that is NOT absorbed by an object can be _____. - correct answer -reflected from and/or transmitted through the object A light that is considered warm in tone is produced by lamps with color temperatures of _____. - correct answer -3,000°K The resistance of a tungsten filament is ______. - correct answer -much higher after the lamp is turned on The filament of a tungsten-halogen lamp is encased in a capsule containing iodine or _____. - correct answer -bromine gas Durin...

NCCER electrical fc 2 Questions And Verified Correct Answers To test the insulation resistance between the heating cable conductors and the metallic grounding use a; - Answer -Megohmmeter What is the total resistance of a circuit that has aa 50- chm resistor, a 75- ohm resistor, and a 100- chm resistor in series? - Answer -225 ohms Time delay fuses are MOST commonly used in circuits subject to what type of current? - Answer -surge, rush All parts of metal cable tray must be bonded to...

NCCER Electrical Questions And Verified Correct Answers High-voltage rubber gloves are required to be tested by a certified lab once... - Answer -Every six months The major cause of death from electric shock is... - Answer -Fibrillation of the heart The main factor that determines the outcome of electric shock is... - Answer -The amount of current According to OSHA, portable tools and appliances do not need to be grounded... - Answer -If they have an approved system of double insulat...

NCCER Electrical 2024 Exam Test Questions And Verified Correct Answers What is shown on a sectional drawing? - Answer -cutaway view of a building The NEC recommends maintaining voltage within a 3% drop. If a branch circuit operates at 240 volts AC. What is the minimum circuit operating volt? - Answer -232 What is the name of the connecting device shown in the diagram? - Answer -split - bolt The volt amperes in an AC circuit is the same as - Answer -apparent power What should be do...

NCCER Electrical Module 26103-20 Questions And Verified Correct Answers An electrical circuit contains, at minimum 3 components to carry the electrical current. The circuit should also have a means to stop and start the current, such as a switch. - Answer -Voltage source, a load and conductors (wires) The atom is the smallest part of an element that enters into a chemical change, but it does so in the form of a _____ particle. - Answer -Charged The term ___ can be taken to mean a quanti...

The electrical NCCER test Questions All Solved Correctly Which Article of the NEC covers grounding? - Answer -article 250 Which of the following is a 90 degree, explosion proof fitting? - Answer -GUAL What is a dropout plate? - Answer -Metal plate with a curved surface for cable to follow as it passes from the tray All of the following are common service voltages in the United States EXCEPT: - Answer -372/575 3-PHASE, 4-WIRE What does a GFCI breaker do? - Answer -Opens a circuit t...

NCCER Electrical Set Test Questions And Verified Correct Answers What is shown on a sectional drawing? - ANSWER : cutaway view of a building The NEC recommends maintaining voltage within a 3% drop. If a branch circuit operates at 240 volts AC. What is the minimum circuit operating volt? - ANSWER : 232 What is the name of the connecting device shown in the diagram? - ANSWER : split - bolt The volt amperes in an AC circuit is the same as - ANSWER : apparent power What should b...

The minimum bending radius for 3" rigid conduit is _____. - Correct Answer 13" The minimum bending radius for 1/2" rigid conduit is _____. - Correct Answer 4" The maximum number of 90° bends allowed between pull points in a conduit system is ______. - Correct Answer four A saddle bend is counted as ____. - Correct Answer 60°-180°, depending on the type of bends When referring to the two bends required to make an offset in a length of conduit, which of the following is always t...

QUESTIONS AND ANSWERS

QUESTIONS AND ANSWERS

QUESTIONS AND ANSWERS