559 Journeyman Mechanical Exam
Questions and Answers (100%
Verified)
Which Type of air-conditoning system is most likely to leak refrigerant into a
structure? Direct, Indirect, Evaporative or Split? - ANSWER-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'? - ANSWER-More than 10' - 2015 IMC 304.11
A mall bathroom exhaust outlet shall terminate a minimum height of ____
feet above an adjoining sidewalk? - ANSWER-10 feet above adjoining grade -
2015 IMC 501.3.1
, 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.'
Questions and Answers (100%
Verified)
Which Type of air-conditoning system is most likely to leak refrigerant into a
structure? Direct, Indirect, Evaporative or Split? - ANSWER-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'? - ANSWER-More than 10' - 2015 IMC 304.11
A mall bathroom exhaust outlet shall terminate a minimum height of ____
feet above an adjoining sidewalk? - ANSWER-10 feet above adjoining grade -
2015 IMC 501.3.1
, 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.'
