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Electrical / HVAC Test Exam Bundle

Electrical / HVAC Test Exam Bundle

20 items

HVAC ELECTRICAL MAIN TEST Questions with Correct Solutions, Rated to Pass

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current flow is? The flow of electrons in the circuit. Impedance is? Opposition to alternating currentflow. Like Charges? Repel each other Any material that will readily release electrons is called A conductor The symbol for Current is I Which of the following material would be best suited...

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HVAC Electrical Final Test 1 Questions and Answers, A+

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Split-phase motor PSC CSCR Shaded pole motor Resistance reading to ground from the terminal of a good compressor CSR Best starting and running single-phase compressor - A. Uses a start and run winding B. Uses a run capacitor C. Uses a run capacitor, start capacitor, and po...

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HVAC Electrical Test Questions with Complete Solutions Rated A+

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Current flow is - the flow of electrons in the circuit impedance is - opposition to alternating current flow like charges - repel each other Any material that will readily release electrons is called - a conductor the symbol for current is - I Which of the following mat...

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HVAC Electrical Test Questions with Answers Graded A+

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List what part (voltage source, switch, or load) is checked with the following meter function "VOLTAGE" - Voltage source, switch and load. AC electricity flows? - Both.....positive to negative and negative to positive. When electricity is present, which of the following are also presen...

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HVAC Electrical Midterm Test Questions with Answers, A+

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_____ are the particles that orbit the core of an atom - electrons ______ is the force that pushes free electrons through conductors - voltage name 3 terms meaning voltage - electromotive force (emf) potential difference and eletrical pressure a device used to generate electricity ...

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HVAC Electrical Exam Questions with 100% Complete Solutions

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The heat pump requires ______________thermostat. a. single stage heating operation b. two stage heating operation c. three stage heating operation - two stage heating operation the thermostat will look for the ____ circuit first before using the battery back-up power. a. R b. C c. Y - ...

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Electrical / HVAC Test Questions with Complete Solutions, Graded A+

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rating of service switches will be less than - 1-1/3 the computed load current smallest wire permitted to be used in general wiring - 14 awg how many circuits are on a 100 amp panel - 20 circuits when running wire into an outlet, pull extra wire for splicing - 6" minimum siz...

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Basic Electricity-in HVAC Questions with Complete Answers

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Alternating current (AC) current that reverses its direction of flow periodically. Reversals generally occur at regular intervals. Ampere The amount of current required to flow through a resistance of one ohm with a pressure of one volt, measured with an ammeter. Atom the smallest part of an...

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HVAC Electrical Basics Practice Test Questions with Correct Solutions, A+

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Magnetic lines of force flow between _______ of a magnet - North Pole and South Pole Resistance is measured in which of the following: - Ohms In a three phase supply system, each phase is _______ with each other: - 120 degrees Power factor in a normal electrical circuit be ______: - L...

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Comprehensive Electrical HVAC Test Questions and Answers, A+

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What is electricity? - Flow of electrons between atoms in common wire material or load What is current flow? - Electrons flow What creates a magnetic field in a conductor? - Current flow What is voltage? - Electrical pressure that pushes current flow What is the difference be...

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HVAC Excellence - ELECTRICITY Exam Questions and Answers, 2024 A+

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Current flow is: - The flow of electrons in the circuit. Impedance is: - Opposition to alternating current flow. Like charges; - repel each other. Any material that will readily release electrons is called; - A conductor The symbol for current is; - I Which of the follo...

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HVAC Electrical Final Review Test Questions with Complete Solutions, Rated A+

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A switch in a open position - Infinite What does FLA stand for - Full loaded Amps When does the motor draw FLA - When the motors are running (full speed) I need to shut off the power before measuring - ohms infinite infinite 10 - one open one good name two motors that d...

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Electricity for HVAC Questions with Correct Solutions, Graded to Pass, A+

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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...

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Electricity for HVAC, Electrical Symbols Questions with Correct Solutions

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Heater Crankcase heater Defrost heater Hot-gas solenoid Relay coil Red signal light Compressor (single phase) Compressor (three phase) Fuse Circuit breaker In-line thermal overload Magnetic overload Pilot duty thermal overload Relay or contactor wi...

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HVAC Excellence Study Guide) for Electric Test Questions with Correct Solutions, A+

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Law of electric states that: - Like charges repel, and opposites attract When testing a supply voltage a maximum variation allowed is typically: - plus or minus five percent A Voltage Tester reads zero when there is: - no potential difference An Ammeter - Is used to measure the ...

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HVAC Electric Review 2 Test Questions with Correct Solutions, A+

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Resistance is? - Opposition to current flow An electron has? - A negative charge Impedance is? - Opposition to alternating current flow Current flow is? - Electron flow in a circuit The safety ground conductor is usually color coded? - Green or bare. Like charges? - ...

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HVAC Level 1 Module 3 Electricity Questions with Corrects A+

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Electrons flow from __________ to ____________. - negative, postitive What is the better conductor of electricity? Copper, Gold, oil, or aluminum - gold One horsepower equals ____________. - 746 watts Transformers are used to lower voltages because very _____ voltages can be transm...

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Electricity HVAC Test Questions with Correct Answers

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how much resistance must be placed in 120V curcuit in order to limit the current to 2Amps - 60 Ohms when current flows in a 2 wire circuit such as 120v, if a clamp on amp meter is clamped around both wires what measurment would you expect. - 0 amps - due to cancellation of 2 fields Curre...

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Electricity for HVAC: Check Your Knowledge Ch 1-5 Questions and Answers

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Chapter 1 - A heating and air-conditioning service technician usually requires _____ to troubleshoot heating and air-conditioning systems. - voltage being supplied to the equipment A live electrical circuit is _____. - one that is being supplied with energy _____ is used to operat...

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HVAC Electricity Chapter 7 Questions with Correct Answers

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What are the two types of current use din the heating, cooling and refrigeration industries? AC (mostly) DC _____ current flows in only one direction. DC _____ current flows in alternating directions. AC What are the advantages of AC current over DC current? 1) cheaper 2) easier...

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