How does a cooling tower remove energy from the water it is circulating?
A) It cools the refrigerant by evaporating a small portion of the refrigerant to the air.
B) It cools the water flowing through it by passing it over ice that is made during off-peak hours.
C) It cools the water flowing through it by evaporating a small portion of the water.
D) It cools the water flowing through it by using a separate compression refrigeration system.
C
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Andrew Jackson sought to recruit free blacks to defend New Orleans by appealing to the governor of Louisiana using all of the following arguments EXCEPT
A. free men of color were inured to the Southern climate and would make excellent soldiers. B. many of the free black men were idle and lazy and would become better workers after the war through the discipline of military service. C. trusting the free black men to serve in the military will forge a strong bond between them and the interests of the country. D. free men of color enjoyed equal rights and privileges with white men. E. free blacks must choose up sides—either stand with the nation or stand against it.
Which of the following screw heads is placed flushed with the surface of the material?
a. Round head
b. Fillister head
c. Hexagon head
d. Oval head
e. Flat head
Which of the following statements regarding safety training sessions is correct?
a. They are only required after an accident has occurred. b. They are usually conducted by the project manager. c. They should be conducted frequently by the crew leader. d. They are only conducted for new employees.
The two factors that most influence profitability in swine production are the number of pigs weaned per sow per year and _____.
Fill in the blank(s) with the appropriate word(s).