NATE Exam Core Test Refresher Questions and Complete Solutions Graded A+
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Course
Nate commercial
Institution
Nate Commercial
Calculate the air volume based upon these conditions:
90,000 BTUH output
Return air temperature: 70F
Supply air temperature: 110F
a. 1,158 CFM
b. 1,500 CFM
c. 1,800 CFM
d. 2,083 CFM - Answer: d (2,083 CFM)
When measuring CFM using temperature rise method, the furnace blower motor spe...
NATE Exam Core
Test Refresher
Questions and
Complete Solutions
Graded A+
Denning [Date] [Course title]
, Calculate the air volume based upon these conditions:
90,000 BTUH output
Return air temperature: 70F
Supply air temperature: 110F
a. 1,158 CFM
b. 1,500 CFM
c. 1,800 CFM
d. 2,083 CFM - Answer: d (2,083 CFM)
When measuring CFM using temperature rise method, the furnace blower motor speed should be in:
a. Continuous fan speed
b. Cool mode speed
c. Heat mode speed - Answer: b (Cool mode speed)
If a single phase electric heat section is supplied with 225 volts and is drawing 45 AMPS, the BTUH
output of the heat section is:
a. 34,500 BTUH
b. 25,000 BTUH
c. 45,000 BTUH - Answer: a (34,500 BTUH)
When measuring temperature rise, take the supply air temperature directly in line with the heater
section of the air handler:
a. True
b. False - Answer: b (False)
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