Ampere Study guides, Class 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...

What is the result if the neutral wire becomes open on a multiwire circuit having unequal loads? Select one: a. The load of higher resistance would overheat and probably be damaged. b. The load of lesser resistance would overheat and probably be damaged. c. No effect until one load is turned off or opens. d. No effect. The load of higher resistance would overheat and probably be damaged. Refer to Figure 128.202. ___ volts are applied across the water heater element. S...

A patient with a hx of thrombosis who is taking an anticoagulant presents with lower extremity muscle sorenes after hiking. Which of the following modalities is contraindicated? A. Interferential with suction B. Cryotherapy C. High-volt Pulsed Direct Current D. Low-Frequency - ️️A. interferential with suction A 46 yo Male hemiplegic presents with a history of shoulder spasticity and secondary shoulder joint dysfunction. Which of the following would elicit a temporary, therapeatically...

A metal underground water pipe used as part of the grounding electrode system shall be in direct contact with the earth for a minimum of ___________ feet A. 8 B. 10 C. 15 D. 20 - ANSWER-B. 10 1. Panel boards and over current protection devices are prohibited in ___ a. Clothes closets b. Sleeping rooms c. Garages d. Storage rooms - ANSWER-a. clothes closets Bonding is? a. Another word for grounding b. Joining two electrical connectors together c. The act of putting an "anti-oxi...

Milady Esthetics Chapter 8 Exam Questions With Answers Electricity the movement of particles around an atom that creates pure energy. It is a form of energy that, when in motion, exhibits magnetic, chemical or thermal effects. Electric current the flow of electricity along a conductor in a complete circuit conductor any material that easily conducts electricity (ex: water, metal) Metals are good conductors; Copper is a particularly good conductor use in electric wiring and electri...

Fire Investigator TCFP Exam| 500+ Practice Questions and Verified Answers| 2023/ 2024 Update Q: What is the ability of a structural assembly to maintain its load-bearing capacity and structural integrity under fire conditions Answer: A.) Fire resistance Q: What would most likely need to happen for the fuel-gas product to ignite in the piping system Answer: C.) Leak from the system Q: What can the fire investigator conclude when the electrical safety devices operated ...

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 correct answer: 4 Thermal insulation shall not be installed within _________inches of recessed lighting fixtures correct answer: 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 one grounding conductor and on...

Furnace - ANSWER The air flow on most structures that use a fossil fuel for a heat source have a___that would be used as an air supply. Control loop - ANSWER Almost all control systems use a___to control the temperature with in a given structure, space, or zone. Troubleshooting - ANSWER A___chart is a graphical representation of a troubleshooting procedure for a particular unit. Overload - ANSWER A___is an electrical device that protects a load from a high ampere draw by breaking a set ...

Associate CET 6th guide Exam Questions And Answers All Verified A resistor __________________. a. stores an electric charge b. is measured in coulombs c. cause a voltage drop across it d. dependent on lines of force - ANS c. cause a voltage drop across it 1 kΩ is the same as _________. a. 1000 ohms b. .001 ohms c. 10e-2 ohms d. 10000 ohms - ANS a. 1000 ohms A resistor with color bands orange, red, brown is _____. a. 3.2 mega ohms b. 232 ohms c. 2.3 kilo ohms d....

ABRET EEG Review Questions & 100% Correct Answers ABRET EEG Review Questions & 100% Correct Answers The basic unit for measuring current flow is____. c weight b.Coulomb c.Volt d.Ampere - ANSWER- Ampere The basic unit of resistance is____. a.Ohm b.Coulomb c.Ampere d.Volt - ANSWER- Ohm Which of the following is not a valid expression of Ohm's law? (in this equation E (electromotive force) is the dame as V (Voltage) a. R = E I or (R = V I) b. E = I R or (V = I R) c. I = E...

APPLIED SCIENCES ASSIGNMENT ELECTRICITY UNIT 15 A AND B COURSEWORK. UNIT 15: ELECTRIC CIRCUITS AND THEIR APPLICATIONS COMPONENTS SYMBOLS Cell Battery Switch (open switch) (closed switch) Filament lamp/ bulb Resistor Thermistor Light emitting diode (LED) Light dependent resistor(LDR) Rheostat Capacitor Voltmeter Ammeter Reference 1: By John Hewes (2020) lOMoARcPSD|  Current (ampere): Electrical current is the flow (movement) of electric charges. For an electric charge...