Questions & Answers | HVAC Heating Systems, Diagnostics,
Troubleshooting & Repair | Michigan Licensing Prep | Pass
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70 Degrees Fahrenheit Is Equivalent To _____ Degrees Celsius. Use Formula C=(F-32)X5/9
(5/9=.56).
ANS: 21
28 Degrees Celsius Is Equivalent To _____ Degrees Fahrenheit. Use Formula F=(Cx9/5)+32
(9/5=1.8).
ANS: 82
On A Low-Pressure Residential Steam Boiler The Relief Device Opens At?
ANS: 15 Pounds
If Too Much Primary Air Is Used The Flame Will __________?
ANS: Lift Off The Burner
What Operates The Heat Anticipator In A Low Voltage Thermostat?
ANS: 24 Volts A/C
A Limit Is Located Where In The Electrical Circuit?
, ANS: Either The 24 Or 120-Volt Circuit
What Is The Usual Oil Pressure In A High-Pressure Gun Type Oil Burner?
ANS: 100 Psig
What License Is Required To Perform A Csd-1 On A Boiler That Has An Input Rating Of 1.7mbtu?
ANS: Mechanical Contractor Category 6
Section 1004.1 : A Boiler With A Rating Of 12,500,000 Btu's Or Less Is For Csd-1, Anything Larger
Is Per Nfpa-85 But Both Of Them Fall Under Category 6 Unlimited Heating Service License.
A Psychometer Is A _____?
ANS: A Hygrometer Consisting Of A Wet-Bulb And Dry-Bulb Thermometer, The Difference In The
Two Readings Used To Determine The Atmospheric Humidity.
A Psychometric Chart Is A _____?
ANS: Chart Where The Various Properties Of Air Is Plotted
Combustion Is What Type Of Process?
ANS: Chemical