Air Conditioning Final Exam For Hvac Electrical With Answers

With the fan switch in the on position, the indoor fan will,,, Select one: a. Run in cooling mode b. run continuously c. run only when the outdoor unit runs d. none of the above {Ans: b. run continuously}A relay activated by current running directly through it. {Ans: Current}When a technician is taking a volt reading across a closed switch in an energized circuit what should the reading be? Select one: a. 0 b. OL c. Source Voltage d. Infinity {Ans: a. 0}When current flows, a ___________ is produced around the conductor. Select one: a. magnetic field b. dielectric transmitter c. short circuit d. worm hole {Ans: a. magnetic field}The main valve in a 4-way reversing valve is moved by pressure created by ____. Select one: a. change in the action of the metering device b. low and high side pressure difference c. pressure reduction in the condenser d. refrigerant boiling in the coil {Ans: b. low and high side pressure difference}If the contact points of a thermostatic motor control were to open very slowly, electric arcing could burn the contacts. Select one: True False {Ans: True}The start windings have: Select one: a. More