A baffle that is designed to deflect high velocity fluids inside a heat exchanger.
a. longitudinal baffle
b. horizontal baffles
c. vertical baffles
d. impingement baffles
Answer: D
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____________________ push buttons combine the operation of a selector switch and push button in the same unit.
Fill in the blank(s) with the appropriate word(s).
Under optimal conditions, catfish embryos hatch after:
a. 12-24 hours c. 2-3 weeks b. 4-6 days d. 12-14 weeks
Answer the following statement(s) true (T) or false (F)
1. Small alternate sources of electric power are often used to reduce the demand on the power grid that is normally supplied from utility power stations. 2. All regions in the United States have significant wind power available on a consistent basis, which makes them good candidates for wind-powered generation. 3. With direct drive and variable speed, the wind turns the turbine, which spins the generator, or a speed converter gearbox is used to produce sync speed. 4. Small wind turbine systems are covered in NEC Article 496. 5. Separately derived systems constitute alternative energy.
Which brushes are not insulated?
A) Power B) No brushes are insulated C) Ground D) None of these