Cooling Products Quiz

Do you have what it takes to tackle cooling season successfully?

There are some key products HVACR professionals need to help them make it through the hot summer months. Do you know which tools will capture the most accurate readings? Which can handle even the highest of temperatures? Or which are rugged enough for the toughest of jobs? Take our quiz to test your knowledge!

1. What is a vacuum pump typically used for?
A. To clean up a job site after an installation.
B. To recover refrigerant from an air conditioner.
C. To remove air and moisture from a cooling appliance or system.
2. Performing a proper system evacuation prior to charging directly increases the expected life and efficiency of the system.
A. True
B. False
3. A vacuum pump alone can accurately indicate when all the moisture and air have been evacuated from the system.
A. True
B. False
4. Checking for refrigerant leaks in air conditioning and refrigeration systems is not a regular part of a service technician’s job.
A. True
B. False
5. Which of the following electronic leak detector technologies can be used to find refrigerant leaks?
A. Infrared
B. Heated diode
C. Ultrasonic
D. All of the above
6. The purpose of a vacuum gauge is to monitor evacuations in the field.
A. True
B. False
7. With a digital manifold, technicians are able to:
A. Measure superheat and subcooling.
B. Test for noncondensables.
C. Verify proper charge.
D. All of the above
8. You don’t need to purge a digital manifold with nitrogen before connecting to a system with a different refrigerant.
A. True
B. False
9. A clamp meter can help determine system efficiency by directly measuring power consumption of the system.
A. True
B. False
10. Using soap bubbles to find refrigerant leaks is more accurate than using an infrared leak detector.
A. True
B. False
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