TCEQ

TCEQ irrigation license study guide latest updated Last document update:   ago

BPA requirements for fertilizer injection system - ANSWER Reduced Pressure Principle Assembly (RPPA) (RPZ) is required when fertilizer injection are being used. Causes backsiphonage? - ANSWER Caused by a negative or Subatmospheric pressure. Example-City departments are using fire hydrant or there's a city main line break, or someone sucking liquid from a glass using a straw. Causes of leaking check valve - ANSWER Debris-can enter the valve. (Can use Y strainer to provide a solution.) Def...

TCEQ irrigation license study guide latest updated. Last document update:   ago

BPA requirements for fertilizer injection system - ANSWER Reduced Pressure Principle Assembly (RPPA) (RPZ) is required when fertilizer injection are being used. Causes backsiphonage? - ANSWER Caused by a negative or Subatmospheric pressure. Example-City departments are using fire hydrant or there's a city main line break, or someone sucking liquid from a glass using a straw. Causes of leaking check valve - ANSWER Debris-can enter the valve. (Can use Y strainer to provide