Electrical / HVAC Test Exam Bundle

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...

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...

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...

_____ 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 ...

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 - ...

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...

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...

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...

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...

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...

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...

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...

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...

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 ...