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EPA 608 study material including (Core, type 1, 2 and 3) With Correct Answers
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EPA 608 study material including (Core, type 1, 2 and 3) With Correct Answers
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EPA 608 study material including (Core, type 1, 2 and3) With Correct Answers
35% .or .more .in .commercial .refridgeration .or .industrial .process .equipment .with .50 .pounds .of .charge
.or .more .must .be .repaired .- .(correct .answer) .-
for .appliances .with .50 .pounds .of .charge .or .more .other .than .industrial .process .equipment .and .com
mercial .refridgeration, .an .annual .leak .rate .of .15% .or .more .must .be .repaired
a .complicated .distillation .process .that .returns .recovered .refridgerant .to .the .purity .of .factory .fresh .r
efridgerant. .- .(correct .answer) .-Reclaiming .(ARI .Standard .700)
a .high .capacity .vacuum .pump .and .short, .large .diameter .hoses .will .- .(correct .answer) .-
dramatically .reduce .emissions, .pressure .drop, .and .evacuation/dehydration .time
a .vacum .pump .should .be .connected .- .(correct .answer) .-as .far .away .from .the .pump .as .possible
according .to .the .clean .air .act, .no .person .installing, .maintaining, .repairing, .or .disposing .of .any .applia
nce .may .knowingly .vent .or .otherwise .release .into .the .environment .and .class .1 .or .class .2 .substance .
after .- .(correct .answer) .-July .1, .1992
Air .conditioner .(ideal-75°f) .- .(correct .answer) .-High .temperature
all .nitrogen .tanks .should .be .equipped .with .a .regulator .to .lower .outlet .pressure .- .
(correct .answer) .-...
any .device .which .contains .and .uses .a .class .1 .or .class .2 .substance .as .a .refridgerant .and .is .used .for .
household .or .commercial .purpose. .- .(correct .answer) .-appliance
any .regulated .refridgerant .released .while .filling .a .graduated .charging .cylinder .- .(correct .answer) .-
must .be .recovered
appliances .that .have .a .hermetic .compressor .and .hold .5 .pounds .or .less .
(window .units, .domestic .refridgerators, .and .freezer .or .under .the .counter .ice .maker .- .
(correct .answer) .-Small .sppliances
are .typically .charged .with .liquid .through .the .evaporator .charging .valve .- .(correct .answer) .-Chillers
, as .a .general .rule, .different .lubricants .should .never .be .mixed .- .(correct .answer) .-...
ASHRAE .standard .15 .specifies .the .requirements .and .use .of .refridgerants .sensors .in .equipment .mach
ine .rooms .- .(correct .answer) .-
ASHRAE .standard .15 .requires .equipment .rooms .to .have .refridgerant .sensors .for .all .refridgerant .safe
ty .groups
azeotrope .- .(correct .answer) .-where .the .mixture .behaves .like .a .single .chemical .(new .refrigerant)
bacteria .sets .as .43°f .- .(correct .answer) .-...
before .discarding .a .container .the .internal .cylinder .pressure .should .be .reduced .to .at .least .- .
(correct .answer) .-0 .psig
Causes .a .change .in .temperature, .but .not .cause .a .change .of .state, .can .be .measured .with .a .thermo
meter .- .(correct .answer) .-Sensible .Heat
causes .change .of .state, .cannot .be .felt, .cannot .be .measured .with .a .thermometer, .but .does .not .caus
e .a .change .in .temperature. .- .(correct .answer) .-Latent .Heat
certification .of .recovery .machines .- .(correct .answer) .-November .15, .1993
CFC .production .stopped .- .(correct .answer) .-December .31, .1995 .or .January .1, .1996
CFC's .do .not .dissolve .in .water .and .do .not .breakdown .into .other .compounds .that .dissolve .in .water .-
.(correct .answer) .-CFC's .cannot .be .washed .out .of .the .lower .atmosphere
class .1 .- .(correct .answer) .-CFC
class .2 .- .(correct .answer) .-HCFC
Cooler .(ideal-35°f) .- .(correct .answer) .-medium .temperature
Currently .there .is .NOT .a .drop-in .for .CFC-12 .- .(correct .answer) .-...
device .installed .at .the .outlet .of .the .condenser .to .store .the .low .temperature-
high .pressure .liquid .until .it .is .needed .by .the .evaporator. .- .(correct .answer) .-Receiver
device .installed .in .the .liquid .line .to .filter .solid .contaminants .and .remove .moisture .from .the .liquid .r
efridgerant. .- .(correct .answer) .-Filter-drier
equipment .is .pulled .down .to .a .deep .vacuum, .usually .1-mm .hg .- .(correct .answer) .-at .the .end .of .this
.check, .the .vacuum .reading .should .not .increase .to .more .than .2.5 .- .mm .hg
Floats, .thermistor-type .sensors, .and .weighing .scales .- .(correct .answer) .-full-limit .devices
for .small .appliances, .this .service .port .typically .is .a .straight .piece .of .tubing .that .is .entered .using .a .- .
(correct .answer) .-Piercing .access .valve
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