- Study guides, Class notes & Summaries

EPA 608--ESCO --CORE.....ONLINE PRACTICE QUESTIONS AND CORRECT ANSWERS The Compressor.... ANSWChanges Low Pressure Vapor to High Pressure Vapor The low side test pressure data plate value should be used by a technician to determine a safe pressure for..... ANSWLeak Testing Before shipping any used refrigerant cylinders, check that the cylinder meets what standards.....? ANSWDepartment of Transportation Silicone Elastomers, for use in seals and gaskets, are not compatible with whi...

ESCO Air Conditioning Exam Questions and Answers 100% Pass Heat which causes a change in temperature of a substance is called - Sensible heat Heat added to a substance without a rise in temperature - Latent heat Heat added to the refrigerant in a vapor state after the evaporation process is called - Superheat Scroll compressor move refrigerant by - Involute Spirals The movement of heat by way of fluid is called - Convection The movement of heat by direct contact is - Conduction The sta...

Esco Heating 208 Exam Questions and Answers 100% Pass 1. A gas furnace is to be installed in a garage. The burners and ignition sources must be located ______ above the floor. A: 6 inches B: 12 inches C: 18 inches D: 24 inches - C: 18 inches 2. A good description of how hi-metai fan switch operates the blower motor on a gas furnace is: A: temperature on - time off. B: temperature on - time on. C: temperature on- temperature off. 2 100% Pass Guarantee Katelyn Whitman, All Rights D:...

ESCO 608 Online Test Questions and Answers 100% Pass Which ASHRAE classification means slightly flammable? - A2L, B2L Which ASHRAE classification means No flammability? - A1, B1 Which ASHRAE classification means High flammability? - A3, B3 Which ASHRAE classification means low flammability? - A2, B2 The compressor - changes a low-pressure vapor to a high-pressure vapor. The low-side test-pressure data-plate value should be used by a technician to determine a safe pressure for - leak tes...

Esco Gas Furnace Exam Questions and Answers 100% Pass Burning one cubic foot of natural gas will produce approximately _____ BTU's - 900-1,100 BTU The Natural Fuel Gas code classifies a vent system for a condensing furnace as : - Category IV what type of draft is used to move flue gas through the heat exchanger and into the venting system in modern gas-fired furnaces? - Mechanical A customer complains that a 2-year-old, direct, hot surface ignition furnace will not light. The inducer...

ESCO Refrigeration Exam Questions and Answers 100% Pass Heat which is added to a vapor after the change of state occurs is called - superheat A refrigerant gives up heat when; - it condenses it is desirable for refrigerant in the suction line to be slightly superheated in order to... - ensure liquid refrigerant does not enter the compressor state of refrigerant in the suction line should be... - low pressure/ low temperature vapor state of refrigerant entering the condenser is... - high...

ESCO HVAC FINAL EXAM QUESTIONS AND ANSWERS 100% PASS a liquid to suction heat exchanger is often used to - increase liquid subcooling the term refrigerant conditions refer to which of the following - saturated, superheat, or subcooling refrigerant the component in the refrigeration system used to catch and prevent liquid from entering the compressor is called - the accumulator an air conditioning system or heat pump must have - 400-450 CUBIC FEET OF AIR PER MIN ACROSS THE EVAPORATOR COI...

ESCO EPA 608 CORE EXAM QUESTIONS AND ANSWERS 100% PASS An ozone molecule contains - 3 oxygen atoms Which international agreement (Treaty) regulated the production and use of CFCs, HCFCs, halons, methyl chloroform and carbon tetrachloride? - Montreal Protocol Silicone elastomers, for use in seals and gaskets, are not compatible with which refrigerants? - HFOs Which of the following refrigerant has a GWP closest to "1"? - R-1233zd or CO2 The condenser ______________________________...