List three safety devices used for flake ice machines
What will be an ideal response?
A low water safety protects against dry operation or freeze up in the evaporator due to low water flow. A safety in the gear motor circuit will not allow the refrigeration system to operate unless the auger is rotating. A safety in the gear motor circuit will not allow the refrigeration system to operate if there is excessive load on the auger typically indicated by a high amperage draw.
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The two classifications of overload relays are thermal and _____.
a. magnetic b. shading c. eutectic d. bimetallic
Which of the following CMUs has slotted webs that are broken before being laid in the wall?
A) A-unit B) Sash unit C) Standard unit with three webs D) H-unit E) Bond beam unit
The country that produces more cheese than any other in the world is _____
A) Sweden B) the United States C) Holland D) France
In capability classes, Class I soils have the fewest limitations and Class VIII soils are nearly unusable
for agriculture.
Indicate whether the statement is true or false.