The Solar Pathfinder TM and the Solmetric SunEye TM are examples of solar site ____________________ devices.
Fill in the blank(s) with the appropriate word(s).
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To deflate an air spring prior to removal of the spring:
A. Energize the vent solenoid in the air compressor B. Turn the air spring solenoid valve to the second stage C. Disconnect the air line from the air spring D. Turn the air spring solenoid valve to the first stage
Answer the following statements true (T) or false (F)
Rows are horizontal, columns are vertical.
Stripping a stem, coating the wound in a rooting hormone and wrapping it in damp media is a propagation method called _____
a. tissue culture c. air layering b. cuttings d. separating
A walk-in freezer has the following conditions. Which remedy below would most likely solve the problem?
? Box temperature is up to +10°. ? the evaporator temperature is -10°, LOW ? the line leaving the evaporator is +12°, High Superheat 22° of superheat ? the ambient air temperature at the condenser is 75°, ? the condensing temperature is 100°, NORMAL (25° condenser split is OK for freezers) ? and the liquid line is 92°. NORMAL (8° subcooling) a. Add refrigerant b. clean condenser c. clean the evaporator d. adjust the TEV