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MD HVAC Masters WITH 100- SURE ANSWERS.
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MD HVAC Masters WITH 100- SURE ANSWERS.
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10/3/24, 4:52 AMEUNICE
MD HVAC Masters WITH 100% SURE ANSWERS
Terms in this set (100)
For mechanical draft system, exit terminal 7
located adjacent to public walkways shall be
no less than ________ feet above finish
ground level.
A 2000 sq. ft. "Type II" dry-cleaning systems 2000
shall be provided with an exhaust no less
than ______ CFM's.
A bathroom in a dwelling unit must be 50 CFM
provided with a minimum intermittent
exhaust of ______ _.
A hot-water heating boiler that has a 3 feet
5,000,000 BTU/HR input shall have a
minimum clearance of _________ from the top
of the boiler to the ceiling.
A heater installed in a public garage must be 8 feet
installed a minimum distance of ____________
above the floor?
______________ is a tube or pipe used to carry Suction line
refrigerant gas from evaporator to the
compressor
Commercial appliance exhaust outlets that 40
terminate above roof shall have the
discharge opening located not less than
___________ inches above the roof surface.
A run winding in a compressor has _____________ Less
resistance than the start winding.
A duct that has an operating temperature of 120 °F
150 deg F shall be insulated to limit the
exposed surface temperature to _______ _.
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, 10/3/24, 4:52 AM
Hydronic pipe system should be cleaned Trisodium Phosphate
with water and __________ after installation.
Using a psychrometric chart in the Modern 60 °F
Refrigeration, what will the wet bulb be if the
dry bulb is 80 degrees and the humidity is
30%?
Outside air exhaust and intake openings shall 10
be located a minimum of _________ feet from
lot lines or building on the same lot.
Down - pipe support material must not Galvanic action
promote:
Central HVAC systems shall have air filters Upstream from any exchanger coil
installed in which of the following locations?
An auxiliary drain pan used in secondary 1½
drain systems for an a/c systems shall have a
minimum depth of _______ inch.
A ventilation supply system shall deliver the 3"
required rate of supply air within an
occupied space minimum of _________ above
the floor.
In a unit controlled by a thermostat the Temperature at which the switch turns the burners on and the temperature at which the
differential is the difference between switch turns the burners off
____________.
A _______ is used to measure relative Sling Psychrometric
humidity by comparing wet/dry bulb
temperatures.
A (n) _________ prevents slugging in a heat Accumulator
pump system.
Any appliance in which the products of Low
combustion at the point of entrance to the
flue under normal operating conditions have
a temperature of 1000 degrees is a ____________
appliance.
A connector to a chimney flue shall be at 12" above
least ______ the lowest portion of the
interior of the flue.
The temperature for a fire damper actuating 160
device shall not be less than ___________
degrees.
Horizontal pipes in a hydronic system should Be sloped toward boiler
____________.
A boiler shall have an unobstructed 18"
passageway of _________around all sides.
What is the color code for R-410A? Rose
A one (1) ton refrigeration system has the 12,000
equivalent of ______ BTU's.
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