Cut flower coolers must have high relative humidity levels to keep flowers from desiccating (drying
out). A relative humidity of about ____ is optimal in a cut flower cooler.
a. 70% c. 90%
b. 80% d. 98%
C
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When brazing very small joints or thin metal, the type of flame used in order to prevent the base metal from melting is a(n) _____.
a. carburizing flame b. neutral flame c. oxidizing flame d. non-feathering flame
Dairy cattle produce more milk than beef cattle because they produce more rBST.
Answer the following statement true (T) or false (F)
What term describes the process of passing electrical current through water to break it into Oxygen and Hydrogen?
A) Hydro division B) Electrolysis C) Electric induction D) None of these
What should always be running when the chiller is operating?
A) the condenser-cooling water pump B) the cooling tower fan and damper C) the mixed-air damper outlet D) the chilled air-handler fan