LOCAL 94 WRITTEN EXAM SET 1 QUIZZES & ANS GRADED A+

LOCAL 94 WRITTEN EXAM SET 1
QUIZZES & ANS GRADED A+




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m

The installation of an inline refrigerant cleaning system is
advisable


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later!


a pure liquid refrigerant will enter to remove impurities from the
the metering device system




Cost of the material The indirect system

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2 of 27

Term



a low side float valve is used to maintain



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The water supply to the
pump suction inlet is below operation of the hot gas
the pump level bypass valve




The drip part of the packing
The level of the
gland gives evidence that there is
refrigerant in the
water in the pump
evaporator


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3 of 27

Term



A TVX is used to maintain constant



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, dry vapor above the saturation
evaporator
superheat temperature




Cost of the The pump is full of liquid
material


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4 of 27

Term



The most important reason to sub-cool the refrigerant in the
condenser is to ensure that



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a pure liquid refrigerant Yes, this temperature is too
will enter the metering high for human comfort
device purpose




Maintain axial positioning difference between the high
of the rotor shaft side and low side pressure


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5 of 27

Term