The ends of a chiller evaporator are closed off by standard or marine boxes. What is the difference?
What will be an ideal response?
Supply and return piping is connected to a standard return plate. When the end plates do not contain pipe connections, they are called marine boxes. Marine box ends can be removed easily.
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a. 120V b. 175V c. 190V d. 277V
Crankshaft should be stored by which of these methods
A) Leaning at a slight angl B) Standing or hanging C) Any position D) Standing or lying on ita side
Soil organic matter consists of ________
A) polymerized, non-identifiable molecules B) dead tissues and wastes C) identifiable biomolecules D) living organisms and cells E) all of the above
What is the usual setting for the limit on the fan/limit switch of a warm air furnace?
A) 180°F to 200°F B) 250°F to 300°F C) 120°F to 150°F D) 80°F to 100°F