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FREE AND STUDY GAMES ABOUT MOTOR VEHICLE
AIRCON EXAM QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -149 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation
Question 1: When disposing of empty/near empty cylinders..
Answer:
-refrigerant MUST be recovered -attached to recovery unit & remove -once reduced from pressure to a vaccum, mark empty and ready for disposal
Question 2: Define RECYCLE...
Answer:
clean refigeratant for reuse by oil separation and passes through moisture absorption device.Question 3: When leak testing a low press. chillar the max test press. should be _psig
Answer:
10 psig Question 4: hcfc 22 appl. contain less than 200 lbs. of refrig manuf. before 11-15-93 has _ inches hg? after the date?
Answer:
- inch hg before and after
Question 5: How much can be a paid to a person supplying information that leads to a penalty against a technician who is intentionally venting?
Answer:
$10,000
Question 6: Sec. 609 of Fed. Clean air act mandates all people servicing motor vehicle AC must
Answer:
-use EPA approved Equip.-be certified in recovery procedures -never intentially vent refrigerant (oops!)
Question 7: RECOVERY Cylinders are designed to be?
Answer:
refilled
Question 8: What two ports must recovery cylinders have?
Answer:
-one vapor -one liquid Question 9: What causes blended refrigerants to leak from a system in uneven amounts?
Answer:
different vapor pressures.Question 10: What must be located within 12" (30 cm) of the end of a service hose?
Answer:
shut-off valves
Question 11: Where is the rupture disk location?
Answer:
on evap. housing
Question 12: To see procedures for each state Check with the DOT and EPA for...
Answer:
special shipping procedures to be followed in each state based on the CLASSIFICATION of used refrigerant.
Question 13: How does a self-contained recover system work?
Answer:
has its own means of drawing refrig. out of appliance
Question 14: Which document calls for production controls on cfc and hcfc?
Answer:
the montreal protocal
Question 15: epa defines a major repair as?
Answer:
replace compress.,condens.,evap.Question 16: AIR ENTER THE REF. in a low press. chillar is always a concern because?
Answer:
low press. chill. can operate at press. below atmosphere Question 17: To process refrigerant to a level EQUAL to NEW product specification as determined by chemical analysis
Answer:
To RECLAIM
Question 18: what colors is a recover tank?
Answer:
yellow top gray bottom
Question 19: what is the standard for machinery room safety?
Answer:
ashrae 15 Question 20: to remove refigerant in any condition from a system and store it in an approved external container. May not be returned to a motor vehicle air conditioning system without first being recyceled or reclaimed
Answer:
What is recover?
Question 21: To remove non-condesable gases A recovery cylinder must be emptied to what prior to transferring recycled refrigerant into an empty storage cyclinder.
Answer:
must be evacuated to at least 27in. HG of vacuum.
Question 22: Recycled Refrigerant May..
Answer:
be returned to a MVAC.
Question 23: ASHRAE standard 15 requires what?
Answer:
refrig. sensor that will sound an alarm and auto start a ventilation system in equip rm. when leak of refrig.Question 24: In order to service small appliances, a tech. must be cert. as what?
Answer:
Type 1 or universal
Question 25: Define RECLAIM...
Answer:
process refrigerant to a level equal to new product specs as determined by chemical analysis Question 26: what are the 3 low loss fittings approved to minimize refrig release?
Answer:
Quick coupler self-sealing hose hand valves Question 27: What are the penalties for a service technician who violates provisions of the clean air act?
Answer:
-fined 27,500 -lose certification -may be required to appear in Federal court