How is the ice harvested from the evaporator plates in an ice harvesting system?
A) by warming the evaporator plates with refrigerant discharge gas
B) by mechanically scraping the ice off of the evaporator plates using an ice-harvesting arm
C) using high frequency ultrasonic waves that shatter the plate of ice
D) by energizing electric defrost heaters imbedded in the evaporator
A
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Cuando se utiliza una plataforma suspendida para personal, todas las argollas de las eslingas de cable metálico deben estar fabricadas con_____.
a. ganchos b. guardacabos c. grilletes d. tensores
Solve the following Ohm's Law problems:
Fill in the blank(s) with the appropriate word(s).
Which of the following were not U.S. initiatives taken in support of World Food Summit goals?
a. A 50 percent increase in U.S. funding for international poverty reduction. b. Continuing to be the largest food aid donor. c. Special efforts to reduce HIV/AIDS. d. Opening markets for developing country imports. e. All of the above initiatives were taken.
Which of the following is true of the fan switch?
A) The fan switch is not separate from the burner. B) Modern fan switches cycle the fan based on time. C) The fan switch relies on a temperature cycle in modern furnaces. D) The fan switch starts the blower when the burner starts.