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10 Cards in this Set
- Front
- Back
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With an Automatic condenser water regulating valve the line that accuates the valve should be tapped into what?
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Refrigerant Lowside
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In a "V" type belt driven compressor, if the belts were installed to tightly, after a while, how would it effect the compressor ?
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Suction Pressure would Decrease.
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When a refirgerant passes through the TEV , the pressure and temperature drops, what causes the temperature to drop?
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Evaporation of the refrigerant.
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With a condensor temperature of 85 - 95 the head pressure of R-22 will be most nearly ?
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113
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Freon-12 and Methly Chloride are similar in what sense?
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Vapor densities are the same.
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In an operating evaporator the temp of the refrigerant should be ?
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At a temp below that of the material being cooled.
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Indiscriminate use of parrafin based oil most seriously effects what component?
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The Evaporator.
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A TEV is attached to a finned evaporator with its bulb attached to the suction line. In normal operation the suction gas will leave this coil at what temp?
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5-10 degrees superheat
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A squirrel cage induction motor can run at how many speeds?
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1 Speed
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What refrigerant has the highest "Refrigeration Effect"?
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R-11
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