What is salinity, and how is it measured?
What will be an ideal response?
ANS:Salinity
is the measurement of total mineral solids in water. It is measured by either electrical
conductivity (ohms/cm) or calculated against known standards and converted to parts per thousand
(ppt). As the concentration of salts rises, the conductivity reading becomes greater.
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A recommended rule of thumb for planting distance is to have perennials planted at _____ the mature height of the plant
A) 1/3 B) 1/4 C) 2/3 D) 1/2
____________________________ heat pumps utilize two coaxial heat exchangers, as compared to only one on the water-to-air configuration.
Fill in the blank(s) with the appropriate word(s).
Life-cycle costing often involves situations where the investor is faced with a number of mutually exclusive alternatives.
Answer the following statement true (T) or false (F)
During the vapor recovery phase, what is pumped from the condenser to the storage tank?
A) High-pressure vapor B) Liquid refrigerant C) Low-pressure vapor D) Cooling water