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Engineering, 24.10.2019 02:00, Needalittlehelp
Suppose you have an ascii character that you know to be a letter. but you don't know whether it is upper-case or lower-case. what is the best way to transform this character (if needed) into a upper-case character? select one: take the two's complement of the original character. or the original character with the value xffdf. subtract #20 from the original character. or the original character with the value x20. and the original character with the value xffdf. subtract x20 from the original character. and the original character with the value x20.
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Answers: 3
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Engineering, 04.07.2019 18:10, lowkeyqueenk
Apipe with an outside diameter of 15 cm is exposed to an ambient air and surrounding temperature of -20°c. the pipe has an outer surface temperature of 65°c and an emissivity of 0.85. if the rate of heat loss from the pipe surface is 0.95 kw per meter of length, the external convective heat transfer coefficient (h) is: (a) 12.5 w/m"k (b) 18.6 w/mk (c) 23.7 w/mk (d) 27.9 w/mk (e) 33.5 w/mk
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Engineering, 04.07.2019 18:10, kevin72836
Consider a large isothermal enclosure that is maintained at a uniform temperature of 2000 k. calculate the emissive power of the radiation that emerges from a small aperture on the enclosure surface. what is the wavelength ? , below which 10% of the emission is concentrated? what is the wavelength ? 2 above which 10% of the emission is concentrated? determine the wavelength at which maximum spectral emissive power occurs. what is the irradiation incident on a small object placed inside the enclosure?
Answers: 2
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