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A glass-door firescreen, used to reduce exfiltration of room air through a chimney, has a height of 0.71 m and a width of 1.02 m and reaches a temperature of 232°C. If the room temperature is 23°C, estimate the convection heat rate from the fireplace to the room.
the pressure drop between the entrance and exit of a 150 mm diameter 90deg elbow through which ethyl alcohol at 20degc
specifications for steel plate to be used in the construction of a certain bridge call for the minimum yield to be
the free convection heat transfer coefficient on a thin hot vertical plate suspended in still air can be determined
The required cross sectional areas for bar, given an allowable tensile stress of 45 ksi, and an allowable compressive stress of 24 ksi. Tabulate your result showing bar forces, cross sectional areas and lengths
a centrifugal fan is to be used to take a flue gas at rest zero velocity and at a temperature of 352.6k and a pressure
air assumed to be a perfect gas flows through a long 2-cm-diameter insulated tube. at section 1 the pessure is 1.1 mpa
nitrogen gas is contained in a rigid 1-m tank initially at 10 bar 300k. heat transfer to the contents of the tank
the inner and outer glasses of a 1.2-m x 1.2-m double pane window are at 150c and 90c respectively. if the 6-mm space
in a steam power plant operating on a reheat rankine cycle steam enters the hp turbine at 15 mpa and 620oc and is
in a preliminary design for a mail-sorting machine parcels moving at 2 fts slide down a smooth inclined ramp and a
air is considered as an ideal gas. dont use gas table for gas properties just assume that both cv and cp are constants.
2 kg of helium gas is initially contained in a rigid tank at 100 kpa and 27 c. the paddle wheel is now turned be an
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