Sand filters in pools remove which of the following?
a. bacteria
b. viruses
c. solids
d. algae
c. solids
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El tipo de base niveladora que funciona por la presión de un líquido es la _____.
a. base niveladora roscada b. base niveladora de trin- quete c. base niveladora hidráu- lica d. base niveladora eléctrica
Working with domesticated horses does not present a kicking hazard, so it is unnecessary to always
remain outside of the kicking range of the horse.
Indicate whether the statement is true or false.Two technicians are discussing tire pressure and temperature. Technician A says that tire pressure will drop 1 PSI for every 10 degrees drop in temperature. Technician B says that the tire pressure will increase as the vehicle is being driven. Which technician is correct?
A) Technician A only B) Technician B only C) Both Technicians A and B D) Neither Technician A nor B
Why are different heating elements in an electric furnace normally step sequenced?
A) To avoid a large current draw at startup B) To prevent a blast of hot air coming out of the ducts on startup C) To match the number of active elements to the heat load D) To reduce the size power wire required for the furnace