Entry :-Level HVAC Assessn1ent Test . 1 What are typical Fan settings? A High, lo\ v, off B High, low, neutral C High, low, on, off D High, low, medium 2. To have a system automatically switch to heating or cooling as the load changes, the thermostat system switch should b e set to: A Auto B Off C On D .System switch and the fan swi tch shou ld b e in auto 3. What is the purpose of Troubleshooting?. A To determine how 1nuch to charge the custmner B To determine if a schematic should be used C To determine i f a repair has be en made D To trace a symptom back to its source 4. I n electrical wiring, the black conductor usually indicates: A The ground wire B The neutral conductor C The hot conductor D The safety wire 5. What is a control voltage? A Control voltages are high voltages that operate a device that controls a lower ~ . B Control voltages are s1nal1 voltages that operate a device that controls a higher voltage C Control voltages are low voltages that op erat e a d evice that requires a voltage below 110 volts D Control voltage are high voltages that operate a device that requires a voltage above 215 volts 6. After cutting copper tubing, the tube edge should be cleaned Yith a: A Wire brush B Hacksaw blade C Round file D Reamer 1
