HVAC Electrical

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 present - Heat and magnetism What voltage is provided by the electric company to a modern residential home? - 220VAC What are the three lines entering the breaker panel? - Line 1 (hot) Line 2...

HVAC Electrical Test Questions with All Correct Answers There are four principle Electrical Quantities: - Answer-1. Voltage reped by E 2. Amperage reped by I 3. Wattage reped by P 4. Ohms reped by R Ohm's Law is expressed by the principle formula of - Answer-E/I*R The Power Formula is expressed by the principle formula of - Answer-P/I*E To determine the real power capability of an electrical service you must take into account - Answer-Phase, Voltage, and Amperage Having Sub-p...

HVAC Electrical Test Questions with All Correct Answers There are four principle Electrical Quantities: - Answer-1. Voltage reped by E 2. Amperage reped by I 3. Wattage reped by P 4. Ohms reped by R Ohm's Law is expressed by the principle formula of - Answer-E/I*R The Power Formula is expressed by the principle formula of - Answer-P/I*E To determine the real power capability of an electrical service you must take into account - Answer-Phase, Voltage, and Amperage Having Sub-p...

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HVAC Electrical Test Verified Solutions 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 materials would best be suited for use as a semi-conductor silicone the safety ground conductor is usually color coded black (or bare or green & yellow stripe) An electron has a negative ...

HVAC Electrical ch. 16 Exam Questions with Correct Answers A ___ starts stops or modulates the flow of water, air, or refrigerant to the system or conditioned space. - Answer-controlled device All controls systems can be subdivided into ____ no matter how many controls there are. - Answer-control loops ____ control systems were used before electronics. - Answer-pneumatic Pneumatic controls must have a permanent air supply that is ___. - Answer-clean and dry Most system compressor...

HVAC Electrical Test with complete solution

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 do nut use capacitors - Shaded pole and split phase electrically what does the capacitor do to the circuit - increases a electrical path exist between motor winding and the housing of the m...

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