How does an induced draft cooling tower differ from a forced-draft tower?
What will be an ideal response?
An induced draft tower has the fan located in the air stream leaving the tower and draws the air through it. A forced draft tower has the fan located in the air stream entering the tower and blows the air through the tower.
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Which of the following is required when hoisting materials with a crane?
a. There can’t be any wind during the lift. b. The material must be wrapped in a tarp. c. There must be a certified rigger present to direct the lift. d. Cranes can be used only for lifts of two or more stories.
Engine balance is being discussed. Technician A says balance in an in-line engine is not as important as in a V-type engine. Technician B says some steel crankshafts must not be replaced with a cast crankshaft or balance problems may occur. Who is right?
A. Technician A B. Technician B C. Both technicians D. Neither technician
Most of the wool produced in the United States is sold through producer-owned
cooperatives. A. True B. False
In telecommunications the term metro refers to the network that interconnects the customer to the central office, also referred to as the "last mile"
Indicate whether the statement is true or false