How does refrigerating food help preserve it?
A) Prevents excessive drying of the food
B) Slows down the action of microorganisms and enzymes
C) Hastens the ripening process
D) Kills microorganisms
B
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Which of the following improper operations will not cause equipment shutdown?
A) Bypassing alarms B) Failure to respond to an alarm C) Partially opening a bypass valve around a working control valve D) Turning off air supplies to control devices
What is a tilting table?
What will be an ideal response?
Which of these nitrogen sources is coated?
A) IBDU B) UF C) ?PCU D) CWSN
When the refrigerant passes through the metering device, some of it starts to flash from a liquid to a gas because:
A) The pressure has increased above the saturation point. B) A large amount of heat is added to the refrigerant in the metering device. C) Of the turbulators located near the end of the metering device. D) The pressure has dropped to the saturation point.