HVAC Electrical ESCO Exam Questions and Answers 100% Pass

HVAC Electrical ESCO Exam Questions and Answers 100% Pass Impededance a. Opposition to alternating current flow. b. Electrical pressure. C. Amperage. d. Voltage applied to the circuit. - a. Opposition to alternating current flow. (All types of resistance combined) Like Charges a. Attract one another. 2 100% Pass Guarantee Katelyn Whitman, All Rights b. Repel each other. c. Are negative. d. Are positive. - b. Repel each other. Any material that will readily release electron called: a. An insulator. b. conductor. c. A resistance. d. A neutron. - b. conductor. Which of the following materials would be best suited for use as a semi- conductor? a. Copper. b. Bakelite. C. Aluminum. 3 100% Pass Guarantee Katelyn Whitman, All Rights d. Silicon. - d. Silicon. Which of the following is generally considered to be within the maximum allowable (plus or minus) supply voltage variation? a. 5%. b. 15%. C. 20%. d. 30%. - a. 5%. In electrical wiring, a black colored wire in an alternating current circuit usually indicates: a. The hot conductor. b. The neutral conductor. C. The ground conductor. d. The safety conductor. - a. The hot conductor. 4 100% Pass Guarantee Katelyn Whitman, All Rights Fuses are sized by: a. Amps & watts. b. Volts & watts. C. Watts & ohms. d. Volts & amps. - d. Volts & amps. What would be the result, if a 24 volt, 20 - ohm low voltage contactor coil were wired in series with a 24 volt, 200-ohm control relay coil? a. Neither the contactor nor control relay would operate. b. Only the control relay would operate. c. Only the contactor would operate. d. Both the contactor and control relay would operate. - c. Only the contactor would operate. What is the term used to describe the output side of a transformer? 5 100% Pass Guarantee Katelyn Whitman, All Rights a. Low inductive side. b. High inductive side. c. Primary side. d. Secondary side. - d. Secondary side. One horsepower is equal to a. 3415. b. 746. c. 1200. d. 208. - b. 746. The total resistance of a parallel circuit will be: