What are the three classes of salted soils, and how can they be corrected?
What will be an ideal response?
The three main classes of salted soils are saline, sodic, and saline-sodic. These can be corrected by deflocculating the soil and then leaching the excess salts from the soil by drenching it with water containing low salts.
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Which of the following improper operation is least likely to extend start-up time and increase start-up cost?
A) Tower not vented B) No cooling liquid on condenser C) Opening a bleed valve on a positive pressure column D) Introduction of steam to reboiler during startup
Answer the following statement(s) true (T) or false (F)
The movable contact of the normally open held closed switch is drawn below the stationary contact.
The propagation delay in individual stages of an asynchronous counter is cumulative
Indicate whether the statement is true or false
In a ____ configuration, all the positive terminals are connected together and all the negative terminals are connected together.
A. parallel B. series-parallel C. series-opposing D. series-aiding