QUESTIONS AND CORRECT VERIFIED ANSWERS
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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
, What is the color code for R-410A? - answer-Rose
A one (1) ton refrigeration system has the equivalent of _________ BTU's. -
answer-12,000
A safety belt lanyard shall be a minimum of ½" nylon, or equivalent, with a
maximum length to provide for a fall of no greater than __________ feet? -
answer-6
The purpose of a suction accumulator is _______________. - answer-It catches
and holds liquid refrigerant that has passed through the evaporator coil so it
will not enter the compressor
Minimum size access opening for equipment installed in an underfloor area is
____________. - answer-22 x 30
External equalizing line should be installed downstream of the thermostatic
expansion valve at? - answer-Diaphragm
A feed water line that delivers makeup water to a hydronic boiler is required to
have which two kinds of valves? - answer-A hand valve and a pressure reducing
valve
Materials used in plenums shall have a flame rating of _____________. -
answer-25