Exam (elaborations)
MD HVAC MASTERS EXAM QUESTIONS AND ANSWERS 2024
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MD HVAC MASTERS EXAM QUESTIONS AND ANSWERS 2024
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MD HVAC MASTERS EXAMVentilation for a 4 bedroom 3 bathroom, 1 kitchen, 2 car garage home is
________ cfm's - ANSWERS-450
Method a voltmeter is connected to circuit when measuring for voltage is
___________. - ANSWERS-Parallel
A 400 square foot machine room with 3 people shall have a ventilation
requirement of? - ANSWERS-200 CFM
SOLUTION:
400 X .05 = 200
90. Clothes dryer installed exhausting more than ________ CFM shall be provided
with makeup air. - ANSWERS-200
If you install a 20 mfd capacitor and a 40 mfd capacitor in parallel, you receive a
total capacitance of _________. - ANSWERS-60 mfd
What is the maximum control volts with isolation transformer? - ANSWERS-150
volts
, Cooking appliances designed, tested, listed and labeled for use in commercial can
be installed in domestic cooking.
True or False? - ANSWERS-False
Refrigerant piping that crosses an open space that affords passageway in any
building shall not be less than _________ above the floor unless the piping is
located against the ceiling of such space. - ANSWERS-7' 3"
The burner on a gas hydronic heating system is controlled by _____________. -
ANSWERS-High limit control
When installed in a bedroom, a single wall-mounted unvented room heater is
limited to an input rating not greater than __________. - ANSWERS-10,000
What is the maximum operating pressure in an air duct system? - ANSWERS-10.0
IWC
Convert 25°C to Fahrenheit - ANSWERS-77 °F
Chemicals are added to cooling tower water to address the following problems
except-
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