The most common method of cooling standby generator sets is _____.
a. a mounted radiator with an engine-driven fan
b. liquid-to-liquid heat exchangers
c. battery-powered systems
d. compressed air systems
a. a mounted radiator with an engine-driven fan
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Which of the following is a benefit of gas turbines?
A. They are smaller and more compact than electric motors. B. They can be used as a backup electrical generating source. C. They require a boiler and all its auxiliaries to produce steam. D. It is harder to vary the speed and energy output.
Solder used for waterlines can only contain small amounts of lead
Indicate whether the statement is true or false.
____ on the east and west help shade from hot sun year round and can provide windbreaks in cold climates.
A. Angiosperms B. Broadleaf trees C. Deciduous trees D. Evergreens
While the location of specimens from weld tests seems arbitrary, they are representative of what to expect regardless of where they are taken from
Indicate whether the statement is true or false