EPA 680 EXAM PACKAGE DEAL QUESTIONS & ANSWERS RATED A+

The primary water source for cooling the condenser of a water-cooled recovery unit is: - local municipal water supply Which of the foloowing repairs would ALWAYS be considered "major" under EPA's - replacement of evaporator coil According to ASHRAE Guideline 3-1996, if the pressure in a syste...

A __________ recovery device can be use for type 1 small appliance applications or type 2 applications if the total charge is below 15 pounds. - System dependent Always _____________ when connecting or disconnecting refrigeration hoses. - 1.) wear safety eyewear and butyl-lined gloves 2.) verify ...

Once you take the EPA exam, you must memorize all regulations because they will stay the same forever. t or f? - False What is the primary source of chlorine in the stratosphere? - Emissions of refrigerant chemicals such as CFCs and HCFCs by humans As technicians, we must follow and be up to dat...

Containers designed "refillable" by DOT are used for transporting recovered pressurized refrigerant to? - To meet safety requirements. What is the best proof that CFC's are in the stratosphere? - The measurement of CFC's in air samples from the stratosphere. The size (capacity) of the vacuum...

The EPA regulations require that leaking commercial or industrial process refrigeration equipment must be repaired when the leak rate exceeds _____ of the charge per year. - 35% The proper charging method for blended (non-azeotropic) refrigerants (400 Series) is to use a remove the charge from th...

heat added to refridgerant vapor that causes its temperature to rise above its saturartion temp - Subheated refridgerant causes change of state, cannot be felt, cannot be measured with a thermometer, but does not cause a change in temperature. - Latent Heat a high capacity vacuum pump and short,...

To recover refrigerant is to: - Remove refrigerant is any condition from a system in either an active or passive manner, and store it in an external container without necessarily testing or processing. The required evacuation level for recovering refrigerant from a low pressure appliance with a re...

What are Cooling Towers? - They are heat removal devices used to transfer process waste heat to the atmosphere. The most efficient method of leak checking a charged low-pressure system is to use? - Controlled hot water or heater blankets In relation to the three "R's" what is Reclaim? - To pr...