Coolant filters should not be prematurely when they contain:
A. A TDS (total dissolved solids) probe
B. A SCA (supplemental coolant additive)
C. Extended life coolant
D. High silicate antifreeze
Answer: B
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According to the overall development process, when should you iterate?
A. After unsatisfactory tests B. Before research and development C. After the design is finalized D. While building prototypes
The ____________________ laws state that the energy required to drive fans or pumps (motors used for moving volumes of air or water) is proportional to the cube of the speed.
Fill in the blank(s) with the appropriate word(s).
Room air conditioners are marketed in ____ Btu/h capacities.
A. 1,000 to 15,000 B. 3,000 to 20,000 C. 4,000 to 24,000 D. 5,000 to 30,000
In a three-branch parallel circuit, R1 = 1.2 M?, R2 = 1 M? and RT = 0.5 M?. Calculate R3
A) 1.7 M? B) 7.7 M? C) 6 M? D) 2 M?