List and explain the main types of irrigation systems in agriculture
What will be an ideal response?
The main types of irrigation systems are surface and sprinkler methods. Surface involves building a series of large
and small ditches to transport water. Sprinkler systems apply the water over the top of the soil.
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A steam boiler's blowdown separator helps reduce corrosion and scaling downstream and also _____.
a. retards the growth of fungus in the cooling tower b. reduces the temperature of the water being discharged c. adjusts the amount of bleed-off for the cooling tower d. purges gases entrained in the makeup water
Scientists have discovered that _____ acid is produced by plants when attacked by a disease organism
A) amino B) salicylic C) peptic D) phosphoric
A circle is divided into 300 degrees.
Answer the following statement true (T) or false (F)
Mechanical seals that are self-contained units set at the factory and installed as complete assemblies are called _____ seals
A) cartridge B) balanced C) tandem D) metal bellows