In a refrigeration system Study guides, Class notes & Summaries

A refillable refrigerant cylinder must not be filled above ______ of its full capacity. - Answer 80% Ozone layer absorbs and scatters ________ from the sun - Answer Ultraviolet light An award of up to ______ may be paid to a person supplying information that leads to a penalty against a technician who is intentionally venting. - Answer $10,000 Since ________, it is no longer legal for CFCs to be manufactured or imported into the United States - Answer Jan 1, 1996 R-134a is a chlorine...

How long is a Suffolk County Food Service Permit valid for? - Answer 1 year Who does the Food Manager's certificate belong to? - Answer the individual completing the class Where must the Food Manager's certificate be posted? - Answer visible to your patrons 4). How long is the Suffolk County Limited Food Manager's Certificate valid for? - Answer 3 years True or False: A restaurant can deny access to an inspector if the store is very busy and the owner is not present. - Answer False ...

On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? CORRECT ANSWER 6-7PSI or 6F What is the primary purpose of using flux when soldering copper or brass parts? CORRECT ANSWER Prevent Oxidation The water that results from a defrost cycle of an air to air heat pump(runoff) must? CORRECT ANSWER Drain off and away from the outdoor coil. Why must the runoff be drained off and away from the outdoor coil? CORRECT ANSWER Exc...

EPA 608 CORE Exam Questions and Answers (2022/2023) (Verified Answers) Graded A+ What characteristic or characteristics of CFCs make them more likely than other chlorine compounds to reach the stratosphere? Dont disolve iin water Each chlorine atom in the stratosphere can destroy how many ozone molecules? 100,000 ozone molecules Which refrigerant contains a CFC? R500, R12, R113 or R11? Theyre all CFC's HYDROCHLORIC FLORICCARBON (HCFC) refrigerant contain? Hydrogen, chlorine, flouri...

EPA 608 universal with correct Answers Refrigeration technicians who violate the Clean Air Act can: - After 1995, any supplies of CFC refrigerants to service existing units in the USA can only come from: - Refrigerant that is recovered can be returned to: Refrigerant can not be called "reclaimed" unless it: - . The EPA can require a technician to demonstrate their ability to perform proper procedures for recovering and/or recycling refrigerant. Failure to demonstrate competency can re...

5th Class Power Engineering Questions And Answers All correct The boilers and pressure vessels act was put into place to protect: a) contractors b)owners c)employers d)employees e) the public - ANS e Which of the following codes have the Canadian jurisdictions adopted in reference to pressure vessel regulation? a)CBT V33 b)CBT V62 c)CSA B51 d)CSA B52 e)CSA B31 - ANS c If a piping system design is approved, a piping number is stamped on the design, such as PP-455-E-03-P. The ...

What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? - Correct answer-November 14, 1994 Section 608 of the Federal Clean Air Act requires technicians to what? - Correct answer-Recover all refrigerants. The objective of the Clean Air Act is to protect what? - Correct answer-The earth's stratosphere. HFC's - Correct answer-HydroFlouroCarbon's CFC's - Correct answer-ChloroFluoroCarbon's ODP - Correct answer-Ozone Depletion Potential W...

fdny z51 rmo questions answered 2023 verified graded A+ already passed!the efficiency of the refrigerant cycle is affected by the operation of the condenser. Of the following, a more efficient centrifugal compressor operation results from lowering the condenser pressure In most semi hermetic compressors, the suction vapor is used for cools the motor The amount of refrigerant that flows through the orifices of an economizer is determined by the difference between the high side an...

BOMA – HVAC QUESTIONS AND ANSWERS 100% PASS Two basic categories of chillers are the compression cycle and absorption The five requirements for comfort are proper temperature, humidity, filtration, and ventilation circulation The primary function of an expansion device is to produce a reduction in the pressure on the liquid refrigerant, regulate the flow of refrigerant into the evaporator, lower the boiling point of the refrigerant far enough below the temperature of the load to g...

Acceptable Risk The average rate of loss that is considered tolerable for a given activity. Accident An unplanned event or sequence of events that results in an undesirable consequence. An occurrence where property damage, material loss, detrimental environmental impact or human injury occurs. Accidental Release An unanticipated emission of a regulated substance or other extremely hazardous substance into the ambient air. Action Items A column in the What-If/Checklist Wo...