EPA 608 study material including (Core, type 1, 2 and 3) With Correct Answers.

EPA 608 study material including (Core, type 1, 2 and
3) With Correct Answers




35% .or .more .in .commercial .refridgeration .or .industrial .process .equipment .with .50 .pounds .of
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.charge .or .more .must .be .repaired .- .(correct .answer) .-for .appliances .with .50 .pounds .of .charge
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.or .more .other .than .industrial .process .equipment .and .commercial .refridgeration, .an .annual .leak
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.rate .of .15% .or .more .must .be .repaired
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a .complicated .distillation .process .that .returns .recovered .refridgerant .to .the .purity .of .factory
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.fresh .refridgerant. .- .(correct .answer) .-Reclaiming .(ARI .Standard .700)
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a .high .capacity .vacuum .pump .and .short, .large .diameter .hoses .will .- .(correct .answer) .-
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dramatically .reduce .emissions, .pressure .drop, .and .evacuation/dehydration .time
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a .vacum .pump .should .be .connected .- .(correct .answer) .-as .far .away .from .the .pump .as .possible
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according .to .the .clean .air .act, .no .person .installing, .maintaining, .repairing, .or .disposing .of .any
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.appliance .may .knowingly .vent .or .otherwise .release .into .the .environment .and .class .1 .or .class .2
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.substance .after .- .(correct .answer) .-July .1, .1992
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Air .conditioner .(ideal-75°f) .- .(correct .answer) .-High .temperature
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all .nitrogen .tanks .should .be .equipped .with .a .regulator .to .lower .outlet .pressure .- .(correct
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.answer) .-...
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any .device .which .contains .and .uses .a .class .1 .or .class .2 .substance .as .a .refridgerant .and .is .used
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.for .household .or .commercial .purpose. .- .(correct .answer) .-appliance
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any .regulated .refridgerant .released .while .filling .a .graduated .charging .cylinder .- .(correct .answer)
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.-must .be .recovered
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appliances .that .have .a .hermetic .compressor .and .hold .5 .pounds .or .less .(window .units, .domestic
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.refridgerators, .and .freezer .or .under .the .counter .ice .maker .- .(correct .answer) .-Small .sppliances
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are .typically .charged .with .liquid .through .the .evaporator .charging .valve .- .(correct .answer) .-
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Chillers

, as .a .general .rule, .different .lubricants .should .never .be .mixed .- .(correct .answer) .-...
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ASHRAE .standard .15 .specifies .the .requirements .and .use .of .refridgerants .sensors .in .equipment
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.machine .rooms .- .(correct .answer) .-ASHRAE .standard .15 .requires .equipment .rooms .to .have
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.refridgerant .sensors .for .all .refridgerant .safety .groups
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azeotrope .- .(correct .answer) .-where .the .mixture .behaves .like .a .single .chemical .(new .refrigerant)
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bacteria .sets .as .43°f .- .(correct .answer) .-...
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before .discarding .a .container .the .internal .cylinder .pressure .should .be .reduced .to .at .least .- .
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(correct .answer) .-0 .psig kr kr kr




Causes .a .change .in .temperature, .but .not .cause .a .change .of .state, .can .be .measured .with .a
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.thermometer .- .(correct .answer) .-Sensible .Heat
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causes .change .of .state, .cannot .be .felt, .cannot .be .measured .with .a .thermometer, .but .does .not
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.cause .a .change .in .temperature. .- .(correct .answer) .-Latent .Heat
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certification .of .recovery .machines .- .(correct .answer) .-November .15, .1993
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CFC .production .stopped .- .(correct .answer) .-December .31, .1995 .or .January .1, .1996
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CFC's .do .not .dissolve .in .water .and .do .not .breakdown .into .other .compounds .that .dissolve .in
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.water .- .(correct .answer) .-CFC's .cannot .be .washed .out .of .the .lower .atmosphere
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class .1 .- .(correct .answer) .-CFC
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class .2 .- .(correct .answer) .-HCFC
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Cooler .(ideal-35°f) .- .(correct .answer) .-medium .temperature
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Currently .there .is .NOT .a .drop-in .for .CFC-12 .- .(correct .answer) .-...
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device .installed .at .the .outlet .of .the .condenser .to .store .the .low .temperature-high .pressure .liquid
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.until .it .is .needed .by .the .evaporator. .- .(correct .answer) .-Receiver
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device .installed .in .the .liquid .line .to .filter .solid .contaminants .and .remove .moisture .from .the
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.liquid .refridgerant. .- .(correct .answer) .-Filter-drier
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equipment .is .pulled .down .to .a .deep .vacuum, .usually .1-mm .hg .- .(correct .answer) .-at .the .end .of
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.this .check, .the .vacuum .reading .should .not .increase .to .more .than .2.5 .- .mm .hg
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Floats, .thermistor-type .sensors, .and .weighing .scales .- .(correct .answer) .-full-limit .devices
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for .small .appliances, .this .service .port .typically .is .a .straight .piece .of .tubing .that .is .entered .using
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.a .- .(correct .answer) .-Piercing .access .valve
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