MECHANICAL LAW EXAM MICHIGAN FINAL
STUDY PAPER 2026 COMPLETE QUESTIONS
AND ANSWERS
◉ Condenser. Answer: The component of a refrigeration system
which converts a high-pressure vapor to high-pressure liquid is a
____________.
◉ pitch towards the compressor. Answer: Horizontal piping runs
used in a refrigeration system should _____________.
◉ Reciprocating. Answer: A compressor with a piston that travels
back and forth in a cylinder is a _______________ compressor.
◉ Receiver, sight glass, moisture indicator and, filter dryer.. Answer:
Components most often found in the refrigeration system liquid line
are a _____________.
◉ 2. Answer: Annealed copper tubing shall not be used in nominal
sizes larger than ______ inches.
,◉ 20. Answer: The exhaust from a refrigeration equipment room
shall not be less than _____ feet from a property line or opening into a
building.
◉ 5. Answer: Operating a three-phase electrical motor at a phase
imbalance above _________ % will most likely damage the motor.
◉ it keeps the metal clean once soil has been removed.. Answer: The
purpose of flux used in soldering is ____________.
◉ for different altitudes and, types of refrigerant.. Answer: Why are
expansion valves adjustable ?
◉ electrical current. Answer: An ampere measures the flow of
___________.
◉ 50. Answer: When an air conditioning system is not in operation,
the accumulator should have an adequate liquid holding capacity of
not less than _______ % for the entire system.
◉ phosgene gas. Answer: Open flame that comes in direct contact
with R-22 creates _____________.
, ◉ Refrigerant recycling rule. Answer: Effective July 1, 1992 Section
608 of the _____________ prohibits individuals from intentionally
venting ozone-depleting substances used as refrigerants.
◉ low-loss fittings. Answer: Section 608 does not consider small
releases of refrigerant resulting from the disconnection of hoses
however, effective November 15, 1993 recovery and recycling
equipment must be equipped with ________.
◉ 80/90. Answer: Technicians repairing small appliances such as
house hold refrigerators, window air conditioners, or water coolers
must recover ________ % of the refrigerant when the compressor is
not operational and _______ % when the compressor is operational.
◉ systems owned by the same person. Answer: Refrigerant
recovered or recycled can be returned to the same system or
___________ without restriction.
◉ 30/35. Answer: Refrigeration systems in commercial and
industrial process refrigeration sectors are required to repair leaks
within ______ days when the equipment leaks at a rate that would
release ______ % or more of the charge over a year.
◉ 15. Answer: Refrigeration systems in all sectors except for
commercial and industrial process refrigeration sectors are required
STUDY PAPER 2026 COMPLETE QUESTIONS
AND ANSWERS
◉ Condenser. Answer: The component of a refrigeration system
which converts a high-pressure vapor to high-pressure liquid is a
____________.
◉ pitch towards the compressor. Answer: Horizontal piping runs
used in a refrigeration system should _____________.
◉ Reciprocating. Answer: A compressor with a piston that travels
back and forth in a cylinder is a _______________ compressor.
◉ Receiver, sight glass, moisture indicator and, filter dryer.. Answer:
Components most often found in the refrigeration system liquid line
are a _____________.
◉ 2. Answer: Annealed copper tubing shall not be used in nominal
sizes larger than ______ inches.
,◉ 20. Answer: The exhaust from a refrigeration equipment room
shall not be less than _____ feet from a property line or opening into a
building.
◉ 5. Answer: Operating a three-phase electrical motor at a phase
imbalance above _________ % will most likely damage the motor.
◉ it keeps the metal clean once soil has been removed.. Answer: The
purpose of flux used in soldering is ____________.
◉ for different altitudes and, types of refrigerant.. Answer: Why are
expansion valves adjustable ?
◉ electrical current. Answer: An ampere measures the flow of
___________.
◉ 50. Answer: When an air conditioning system is not in operation,
the accumulator should have an adequate liquid holding capacity of
not less than _______ % for the entire system.
◉ phosgene gas. Answer: Open flame that comes in direct contact
with R-22 creates _____________.
, ◉ Refrigerant recycling rule. Answer: Effective July 1, 1992 Section
608 of the _____________ prohibits individuals from intentionally
venting ozone-depleting substances used as refrigerants.
◉ low-loss fittings. Answer: Section 608 does not consider small
releases of refrigerant resulting from the disconnection of hoses
however, effective November 15, 1993 recovery and recycling
equipment must be equipped with ________.
◉ 80/90. Answer: Technicians repairing small appliances such as
house hold refrigerators, window air conditioners, or water coolers
must recover ________ % of the refrigerant when the compressor is
not operational and _______ % when the compressor is operational.
◉ systems owned by the same person. Answer: Refrigerant
recovered or recycled can be returned to the same system or
___________ without restriction.
◉ 30/35. Answer: Refrigeration systems in commercial and
industrial process refrigeration sectors are required to repair leaks
within ______ days when the equipment leaks at a rate that would
release ______ % or more of the charge over a year.
◉ 15. Answer: Refrigeration systems in all sectors except for
commercial and industrial process refrigeration sectors are required
