Engineering, 12.03.2020 04:57 Savadt2810
As part of a heat treatment process, cylindrical, 304 stainless steel rods of 125-mm diameter are cooled from an initial temperature of 500C by suspending them in an oil bath at 30C.
If a convection coefficient of 400 W/m^2K is maintained by circulation of the oil, how long does it take for the centerline of a rod to reach a temperature of 50C, at which point it is withdrawn from the bath?
If 10 rods of length L =1m are processed per hour, what is the nominal rate at which energy must be extracted from the bath (the cooling load)?
Answers: 2
Engineering, 04.07.2019 19:10, jennymares
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
Answers: 1
Engineering, 06.07.2019 03:10, lacourboud20005
An electrical kettle is made out of stainless steel, weighs two pounds (when empty) with a heating element that consumes 2 kw of electricity. assuming that the water and the kettle are at the same uniform temperature at any moment of time, calculate the shortest possible time to bring 2 quarts of water from room temperature to the onset of boiling.
Answers: 1
As part of a heat treatment process, cylindrical, 304 stainless steel rods of 125-mm diameter are co...
English, 25.06.2019 23:00
Mathematics, 25.06.2019 23:00
Chemistry, 25.06.2019 23:00
History, 25.06.2019 23:00