What is the problem associated with discharging a gauge manifold through its middle leg?
A) There is the use of extra power to the unit. B) There is a loss of refrigerant.
C) There is a need to replace the hose. D) There is wearing on the valves.
[Ques. 2] How would high levels of inhalation of a refrigerant affect an individual?
A) Delusions may be possible. B) No adverse reaction would occur.
C) Cardiac arrhythmia may occur D) The skin may burn.
[Ques. 3] Key safety information included in the SDS includes (you may select more than one):
A) First aid. B) Date of chemical manufacture.
C) Emergency call number. D) Chemical placement on the periodic table.
E) Exposure control. F) Hazards identification.
[Ques. 4] When should a technician read the SDS for a particular refrigerant?
A) Before using the refrigerant B) On the way to the hospital
C) After being exposed to the refrigerant D) In the event of an emergency
[Ques. 5] When should gauges be installed on small sealed systems?
A) Monthly to ensure the charge is still correct
B) Whenever the system is checked
C) Routinely, at least every year
D) Only when other diagnostic means have been exhausted
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