Engineering, 23.01.2020 19:31 livimal77
You are provided with a fuel cell that is designed to operate at j = 3 a∕cm2 and p = 1.5 w∕cm2. how much fuel cell active area (in cm2) is required to deliver 2 kw of electrical power? (this is approximately enough to provide power to the average american home.)
(a) 296.3 cm2
(b) 1333.3 cm2
(c) 444.4cm2
(d) 666.6 cm2
Answers: 3
Engineering, 04.07.2019 18:10, soreese02
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Engineering, 04.07.2019 19:10, nayi2002
The short distance from the objective lens to the object causes problems at high magnification. which of the following is the most serious? a. cleaning the object surface b. positioning the object c. reflection from the object surface. d. illumination of the object
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Engineering, 04.07.2019 19:20, amandaaarmentaa
Acircular pipe of 30mm outside diameter is placed in an airstream at 30 c and latm pressure. the air moves in cross flow over the pipe at 20 m/s, while the outer surface of the pipe is maintained at 110 c. what is the drag force exerted on the pipe per unit length? what is the rate of heat transfer from the pipe per unit length?
Answers: 1
You are provided with a fuel cell that is designed to operate at j = 3 a∕cm2 and p = 1.5 w∕cm2. how...
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