How does air from air-conditioning vents affect open display cases?
A) Open display cases are not affected by external air sources because of their powerful built-in air curtains.
B) Open display cases are not affected by external air sources because of their engineered air baffles.
C) It improves their performance by lowering the temperature of the air surrounding the display case.
D) It disrupts the case's air curtain, causing them to rise in temperature.
D
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What does the term ``best’’ imply in this instance?
a. Efficiency b. Effectiveness c. An operational approach d. A quantitative approach e. A behavioral approach
Compute the support reactions and the maximum tension in the cable in Figure P6.13. The sag at midspan is 12 ft. Each hanger can be assumed to provide a simple support for the suspended beam. Determine the sag at points B and D.
Ultrasound can be used by producers to measure the quality of meat in live hogs
Indicate whether the statement is true or false.
What would you suspect first, if a standard medium temperature reach-in with a fixed metering device had the following conditions:
? a condensing temperature 45° above ambient, HIGH ? 10° subcooling, NORMAL ? evaporator temperature 10° below the box temperature, HIGH ? and 0° superheat? LOW (Flooding) a. dirty condenser b. dirty or iced evaporator c. low on charge d. restricted cap tube