Which of the following is a true statement about a steam system that uses a heat recovery flash tank?
a. High-pressure steam and high-pressure condensate can be piped out of the flash tank.
b. High-pressure steam is the primary source of flash steam in a flash tank.
c. High- or medium-pressure steam condensate can be piped into the flash tank.
d. Low-pressure steam and high-pressure condensate are piped out of the flash tank.
c. High- or medium-pressure steam condensate can be piped into the flash tank.
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Clutch pack clearance may be adjusted by all of the following EXCEPT ________.
A) Adjustable O -ring B) Selective size snap ring C) Different thicknesses pressure plates D) Selective apply ring
Answer the following statement(s) true (T) or false (F)
1. Wind energy is actually a converted form of fuel energy. 2. The electrical systems that are used by wind turbines are basically the same for most applications. 3. The Tehachapi Wind Farm is the largest collection of wind generators in the world. 4. A wind turbine system is a complex electrical system. 5. The input circuits of the rectifiers are considered to be continuous.
The leading crop used for ethanol production is:
a. corn c. soybean b. sorghum d. wheat
How much separation is commonly needed between the vent and intake pipes of a condensing furnace that
pass through a roof? a. 24 inches b. 12 inches c. 6 inches d. 3 inches