Technician A says that fuel cell cooling systems can use heat exchangers with small surface areas. Technician B says that fuel cell cooling systems must use heat exchangers with large surface areas. Which technician is correct?
A) Technician A B) Technician B
C) Both Technicians D) Neither Technician
B
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The first CPU used in an IBM PC was the ____ ,which worked at about _____, or ____ clocks beat per second.
A. 8088, 4.77 MHz, 4,770,000 B. 4044, 133 MHz, 4,770,000 C. 8088,200MHz, 2,440,000 D. 4044, 400 MHz, 2,440,000
Technician A says that hydrogen is the fuel source for a fuel cell. Technician B says that hydrogen is an energy carrier for a fuel cell. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
The third symbol of Venice, the Libro dell’Oro or Book of Gold was a
a. list of guilds and banks operating in the city. b. set of complicated instructions for electing the Great Council and the doge. c. set of instructions for Venetian resident ambassadors operating at courts throughout Europe. d. list of two hundred Venetian families compiled in 1297.
Noise can be eliminated at its source by enclosing the source.