MD HVAC MASTERS EXAM LATEST 2024-2025 WITH ACTUAL QUESTIONS
AND CORRECT VERIFIED ANSWERS ALREADY GRADED A+ 100%
GUARANTEED PASS!
For mechanical draft system, exit terminal located adjacent to public walkways
shall be no less than ____________ feet above finish ground level. - ANSWER-7
A 2000 sq. ft. "Type II" dry-cleaning systems shall be provided with an exhaust
no less than __________ CFM's. - ANSWER-2000
A bathroom in a dwelling unit must be provided with a minimum intermittent
exhaust of __________. - ANSWER-50 CFM
A hot-water heating boiler that has a 5,000,000 BTU/HR input shall have a
minimum clearance of _____________ from the top of the boiler to the ceiling.
- ANSWER-3 feet
A heater installed in a public garage must be installed a minimum distance of
____________ above the floor? - ANSWER-8 feet
______________ is a tube or pipe used to carry refrigerant gas from evaporator
to the compressor - ANSWER-Suction line
, Commercial appliance exhaust outlets that terminate above roof shall have the
discharge opening located not less than ___________ inches above the roof
surface. - ANSWER-40
A run winding in a compressor has _____________ resistance than the start
winding. - ANSWER-Less
A duct that has an operating temperature of 150 deg F shall be insulated to
limit the exposed surface temperature to ___________. - ANSWER-120 °F
Hydronic pipe system should be cleaned with water and _____________ after
installation. - ANSWER-Trisodium Phosphate
Using a psychrometric chart in the Modern Refrigeration, what will the wet
bulb be if the dry bulb is 80 degrees and the humidity is 30%? - ANSWER-60 °F
Outside air exhaust and intake openings shall be located a minimum of
____________ feet from lot lines or building on the same lot. - ANSWER-10
Down - pipe support material must not promote: - ANSWER-Galvanic action
Central HVAC systems shall have air filters installed in which of the following
locations? - ANSWER-Upstream from any exchanger coil
An auxiliary drain pan used in secondary drain systems for an a/c systems shall
have a minimum depth of ________ inch. - ANSWER-1 ½
A ventilation supply system shall deliver the required rate of supply air within
an occupied space minimum of ____________ above the floor. - ANSWER-3"
AND CORRECT VERIFIED ANSWERS ALREADY GRADED A+ 100%
GUARANTEED PASS!
For mechanical draft system, exit terminal located adjacent to public walkways
shall be no less than ____________ feet above finish ground level. - ANSWER-7
A 2000 sq. ft. "Type II" dry-cleaning systems shall be provided with an exhaust
no less than __________ CFM's. - ANSWER-2000
A bathroom in a dwelling unit must be provided with a minimum intermittent
exhaust of __________. - ANSWER-50 CFM
A hot-water heating boiler that has a 5,000,000 BTU/HR input shall have a
minimum clearance of _____________ from the top of the boiler to the ceiling.
- ANSWER-3 feet
A heater installed in a public garage must be installed a minimum distance of
____________ above the floor? - ANSWER-8 feet
______________ is a tube or pipe used to carry refrigerant gas from evaporator
to the compressor - ANSWER-Suction line
, Commercial appliance exhaust outlets that terminate above roof shall have the
discharge opening located not less than ___________ inches above the roof
surface. - ANSWER-40
A run winding in a compressor has _____________ resistance than the start
winding. - ANSWER-Less
A duct that has an operating temperature of 150 deg F shall be insulated to
limit the exposed surface temperature to ___________. - ANSWER-120 °F
Hydronic pipe system should be cleaned with water and _____________ after
installation. - ANSWER-Trisodium Phosphate
Using a psychrometric chart in the Modern Refrigeration, what will the wet
bulb be if the dry bulb is 80 degrees and the humidity is 30%? - ANSWER-60 °F
Outside air exhaust and intake openings shall be located a minimum of
____________ feet from lot lines or building on the same lot. - ANSWER-10
Down - pipe support material must not promote: - ANSWER-Galvanic action
Central HVAC systems shall have air filters installed in which of the following
locations? - ANSWER-Upstream from any exchanger coil
An auxiliary drain pan used in secondary drain systems for an a/c systems shall
have a minimum depth of ________ inch. - ANSWER-1 ½
A ventilation supply system shall deliver the required rate of supply air within
an occupied space minimum of ____________ above the floor. - ANSWER-3"
