8.6 wp water is the working fluid in an ideal rankine cycle. steam enters the turbine at 1400 lbf/in.2 and 1000°f. the condenser pressure is 2 lbf/in.2 the net power output of the cycle is 1 × 109 btu/h. cooling water experiences a temperature increase from 60°f to 76°f, with negligible pressure drop, as it passes through the condenser.

determine for the cycle

a. the mass flow rate of steam, in lb/h.
b. the rate of heat transfer, in btu/h, to the working fluid passing through the steam generator.
c. the thermal efficiency.
d. the mass flow rate of cooling water, in lb/h.

Inadequate stores control is not an obstacle to effective work order system. (clo4) a)-true b)-false

A3-mm-thick panel of aluminum alloy (k 177 w/m-k, c 875 j/kg-k and ? = 2770 kg/m) is finished on both sides with an epoxy coating that must be cured at or above t,-150°c for at least 5 min. the production line for the curing operation involves two steps: (1) heating in a large oven with air at ts,0-175°c and a convection coefficient of h, 40 w/m2. k, and (2) cooling in a large chamber with air at 25°c and a con- vection coefficient of he 10 w/m2.k. the heating portion of the process is conducted over a time interval te which exceeds the ime required to reach 150°c by 5 min (h = r + 300 s). the coating has an emissivity of ? = 0.8, and the temperatures of the oven and chamber walls are 175 and 25°c, respectively. if the panel is placed in the oven at an initial temperature of 25°c and removed from the chamber at a safe-to-touch tempera ture of 37°c, what is the total elapsed time for the two-step curing operation?

Abarometer contains mercury with a density of 13600 kg/m3. atmospheric conditions are 95.8 kpa and 20 °c at 20 °c, the vapor pressure of the mercury is 0.000173 kpa. the column of mercury will rise to a height of most nearly. select one: a)- 0.38 m b)- 0.82 m c)- 0.48 m d)- 0.72 m