What should you look for on the meter besides a CAT rating?
A) An EPA approval B) A DOE approval
C) An endorsement from a well known technician D) A certification from an independent laboratory
Question 2
Split system heat pumps have a third service valve that is not connected to either refrigerant line. This extra valve:
A) Is only needed during the cooling cycle.
B) Is a backup in case one of the other service valves quits functioning.
C) Is used to read the defrost pressures during the defrost cycle.
D) Is always connected to the low side of the system regardless of the operating cycle.
Respiratory Assistive Devices, Peak Flow Meter
The world has been horrified recently at a U.S. Congress so polarized and paralyzed that it cannot p
A meter lead connected to a T-pin that was gently pushed along the signal wire of the TP sensor ...
Peak flow meter.
A new drug development time line with the four phases of drug approval.
Children's behaviour rating scores on measures of aggression and anxiety