, Piping, Venting Systems, Air duct systems or Refrigerant Alarm Systems? -
ANSWER-Refrigerant Alarm Systems - 2015 IMC 1109.1
A room contains a gas-fired furnace with an input rating of 108,000 BTUs.
The room is 20'x10'x8'. Is the room classified as a confined space? Yes or no.
- ANSWER-Yes (Needs to be 50 cubic feet per 1,000 BTU) - 2015 IFGC 304.51
What is the full load current rating of a 230-volt, three phase alternating
current motor rated at 7.5 horsepower? - ANSWER-22 amps - 2014 NEC Table
430.250 (Motors, Motor Circuits and Controllers) p. 70-351
A room that measures 10x20x8 contains a 35,000 BTU wood burning stove in
a building classified as unusually tight construction, what size combustions
air openings will be required if they are installed directly in a side wall? -
ANSWER-8.7 square inches (1 square inch per 4,000 BTU) - 2015 IFGC
304.6.1
How many BTUs in one ton of refrigeration? - ANSWER-12,000 BTUS - 2015
IMC Definitions p. 17 'Refrigeration Capacity Rating.'
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