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Commercial kitchen Exhaust outlets that terminate above the roof shall have the discharge opening located not less than _____ above the roof surface:
The foam plastic insulation shall be covered by corrosion-resistant steel having a base metal thickness of not less than _____ :
Ducts that operate at temperatures exceeding ______ shall have sufficient thermal insulation to limit the exposed surface temperature
Gas appliances listed and labeled for venting with _____ vents:
The individual modular boiler shall be limited to a maximum input rating of ______ Btulh gas:
The termination point of all environmental air exhaust outlets and ducts discharging to the outdoors shall be located _____ from property lines:
What must be provided for all working spaces above service equipment, switchboards and panel boards?
Which of the following is an enclosed channel specially designed for holding wires, busbars?
How many watt-meters are required to measure the power in balanced three phase star connected circuit?
Gasket and sealing materials for duct to exhaust fan connections shall be rated for continuous duty at a temperature of not less than ______ :
Exhaust Openings in screens, louvers and grilles terminating at outdoor shall be sized not less than ______ :
Class B Refrigerants shall have toxicity at concentrations below ______ , based on data used to determine TLV-TWA or consistent indices:
The maximum wattage of incandescent-lamps must not exceed _______that may be used on medium bus lampholders.
If a 30 amperes snap switch is used as disconnecting means of a 3-horse power motor, what shall be the maximum full load current of the motor?