Air at 3.0 × 10-4 kg/s and 27°c enters a rectangular duct that is 1.0 m long and 4 mm x 16 mm on a side. a uniform heat flux of 600 w/m2 is imposed on the duct surface. what are the temperatures of the air and of the duct surface at the outlet? the temperature of the air at the outlet, in k: the temperature of the duct surface at the outlet, in k:

Fluids at rest possess no flow energy. a)- true b)- false

Ajournal bearing has a journal diameter of 3.250 in with a unilateral tolerance of 20.003 in. the bushing bore has a diameter of 3.256 in and a unilateral tolerance of 0.004 in. the bushing is 2.8 in long and supports a 700-lbf load. the journal speed is 900 rev/min. find the minimum oil film thickness and the maximum film pressure for both sae 20 and sae 20w-30 lubricants, for the tightest assembly if the operating film temperature is 160°f. a computer code is appropriate for solving this problem.

Items are similar to the free issue items, but their access is limited. (clo5) a)-bin stock items free issue b)-bin stock controlled issue c)-critical or insurance spares d)-rebuildable spares e)-consumables