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The activation time (in seconds) of a standard response (RTI of 85 m^1/2s^1/2), Ordinary Temperature (65 deg C) heat detector within a room that has an initial temperature of 22 deg C and exposed to a ceiling plume at 78 deg C traveling at 2.3 m/s is most nearly what time? a. 10 s b. 36 s c. 54 s d. 82 s Solution | Posted 09/17/20 
7 Comments
B
9/16/2020 07:45:43 am
D. 82
joe
9/16/2020 07:56:30 am
d
NinaB
9/16/2020 10:15:48 am
d. 6.2 NCEES reference
Kevin
9/16/2020 01:33:40 pm
D. 85 ln ((78-22)/(78-65)) / (2.3)^1/2 = 81.9 seconds
KK
9/16/2020 06:05:47 pm
D
SK
9/16/2020 09:50:57 pm
d
NearEngineer
9/19/2020 11:14:23 am
D Leave a Reply. |
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