Facilities, Cleaning & PestsQuestion 491 of 500
A manager verifies that a high-temperature dish machine actually sanitized a rack. What measurement confirms it?
a.A dial thermometer reading 180°F inside the wash tank
b.An irreversible indicator showing a 160°F utensil surface
c.A test strip showing 50 mg/L on a plate pulled from the rack
d.A gauge on the machine reading 25 pounds per square inch
Explanation
Hot water mechanical sanitizing is confirmed by achieving a utensil surface temperature of 160°F as measured by an irreversible registering temperature indicator, often a maximum-registering thermometer or a heat-sensitive tape run through with the rack. The machine's own gauges describe the water, not the plate.
Law Reference: FDA Food Code §4-703.11Practice all 500 questions free — no signup required.
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