HVAC Electrical Final Test 1 Questions and Answers, A+

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 potential relay D. Simplest motor E. 3 megohms F.Only uses a start capacitor G. CSCR motor How much resistance will be measured in a circuit with 240V and amp draw of 10A? - 24Ω Match the circuit types to their definitions. Short circuit Complete circuit Open circuit - When power goes to ground or when the load has very little resistance. A path through which electricity flows. Has a break or opening in the wire or load. Select the two types of electricity used in electrical circuits. - Direct current Alternating current What is the total resistance of 3 resistors wired in series? Each has a resistance of 10Ω - 30Ω Ohm's Law is only accurate with - Resistive loads How many watts will be measured in a circuit with 240V and 10A? - 2400 watts What is the Ohm's law formula? - E = I × R How many watts will be measured in a circuit with 480V and 10A? - 4.80 kW The ampere is ____. - a measure of the quantity of electrons flowing past a point in the electrical circuit in a given time Select all that apply to a Series circuit. - Current stays the same. Voltage is additive. Resistance is additive. How many watts are in 7.5 KW? - 7500 What is the total resistance of 3 resistors wired in parallel? Each has a resistance of 10Ω - 3.3Ω The total resistance, RT, of a Parallel circuit will be less than the lowest resistance in the circuit? - True What is Watt's formula? - W = I × E PPE stands for ________ - Personal Protective equipment Typical insulators are: ____. - glass, rubber, plastic How many amps will be measured in a circuit with 120V and a resistance of 20Ω? - 6A