The Enlightenment Assignment and Quiz Revised Questions and Answers / Sure A+

NATE Final Exam #1 Revised Questions and Answers / Sure A + A cooling tower is treated for what two conditions? A: Algae and scale B: Algae and lime C: Scale and disease D: Algae and disease - ✔✔A: Algae and scale A heating and/or cooling load calculation is used to: A: Choose the correct equipment size B: Determine the correct duct sizes C: Determine the correct cfm to each room D: All of the above - ✔✔D: All of the above A refrigerant classified as an "Azeotropic blend": A: Will not fractionate B: Behaves much like a single -component pure refrigerant C: Does not have a temperature glide D: All of the above are correct - ✔✔D: All of the above are correct A thermostat should be mounted: A: Approximately 5 feet above the floor B: Level C: On an inside wall D: All of the above - ✔✔D: All of the above A three -position service valve located on the outlet of a receiver should be left in what position for normal operation with no gauges attached? A: Front -seated B: Mid -seated C: Back -seated D: Cracked - ✔✔C: Back -seated A tightly constructed building generally causes the pressure inside the building to be ______ than the pressure outside. A: Higher B: Lower C: The same D: None of these - ✔✔B: Lower A voltmeter is connected to a circuit: A: In series B: In parallel C: Crossover D: Delta - ✔✔B: In parallel ACR soft copper tubing comes in: A: 20 foot lengths B: 30 foot sealed rolls C: 50 foot rolls D: 50 foot sealed rolls - ✔✔D: 50 foot sealed rolls An oil separator has which of the following lines or connections attached to it? A: Inlet, outlet, oil line B: Inlet and outlet C: Inlet and oil line