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559 Journeyman Mechanical Exam Questions with Correct Answers
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Which Type of air-conditioning system is most likely to leak refrigerant into a structure? Direct, Indirect, Evaporative or Split? - Answers-Direct : 2015 IMC 1103.3.2 When mechanical equipment is located on a flat roof that is more than 30 inches above grade, how far from the roofs edge must th...

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  • February 16, 2024
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  • 2023/2024
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  • 559 journeyman mechanical exam questions with corr
  • which type of air conditioning system is most like

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559 Journeyman Mechanical Exam
Questions with Correct Answers
Which Type of air-conditoning system is most likely to leak refrigerant into a structure?
Direct, Indirect, Evaporative or Split? - Answers-Direct : 2015 IMC 1103.3.2

When mechanical equipment is located on a flat roof that is more than 30 inches above
grade, how far from the roofs edge must the equipment be located before a guard rail is
not needed? less than 6', 9', 4' or more than 10'? - Answers-More than 10' - 2015 IMC
304.11

A mall bathroom exhaust outlet shall terminate a minimum height of ____ feet above an
adjoining sidewalk? - Answers-10 feet above adjoining grade - 2015 IMC 501.3.1

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? - Answers-8.7 square inches (1
square inch per 4,000 BTU) - 2015 IFGC 304.6.1

How many BTUs in one ton of refrigeration? - Answers-12,000 BTUS - 2015 IMC
Definitions p. 17 'Refrigeration Capacity Rating.'

Which refrigerant is not classified as a flammable refrigerant? - Answers-Class 1 - 2015
IMC Definitions p. 13 'Flammability Classifications'

Grounded circuit conductor shall be identified by a covering or marking by which of the
following colors: A) White or Gray B) Green, C) Black or D) Red? - Answers-White or
Gray - 2014 NEC 200.6

What is the minimum distance to a property line that a supply air intake can be located?
- Answers-10' - 2015 IMC 401.4

How many pounds per 1,000 cubic feet of occupied space of R-410A refrigerant can be
in a direct system? - Answers-26 pounds - 2015 IMC Table 1103.1

Which of the following systems is required by code to be periodically tested per the
manufacturer's instructions and as required by the code official: Fuel Gas Piping,
Venting Systems, Air duct systems or Refrigerant Alarm Systems? - Answers-
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. - Answers-Yes
(Needs to be 50 cubic feet per 1,000 BTU) - 2015 IFGC 304.51

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