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A spherical interplanetary probe of 0.5-m diameter contains electronics that dissipate 150 W. If the probe surface has an emissivity of 0.8 and the probe does not receive radiation from other surfaces, as, for example, from the sun, what is its surface temperature?
find (a) the power rating of the electric heater and (b) the temperature rise that the air experiences each time it passes through the heater.
Determine the amount of energy (Joules) and the power (Watts) required to drill a hole of 0.2 (5.08 mm) inches in diameter in a Titanium sheet 0.2 (5.08 mm) inches thick. Determine the volume of metal removed in an iron sheet if the power required fo..
In a reheat-cycle power plant, steam enters the high-pressure turbine at 5 MPa, 450°C, and expands to 0.5 MPa, after which it is reheated to 450°C. The steam is then expanded through the low-pressure turbine to 7.5 kPa. Liquid water leaves the conden..
A stream of air at 1 bar, 20 °C, 30% RH, at 100 m3/min is mixed with a stream of hot moist air at 120 °C, 75% RH, at 20 m3/min. What is the temperature and humidity of the outlet stream?
a steam power plant has a high pressure of 3mpa and it maintains 60c in the condenser. a condensing turbine is used but
Write this relationship in dimensionless form. A model windmill, of diameter 50 cm, develops 2.7 kW at sea level when V =40 m/s and when rotating at 4800 r/min.
the wing is supported by a strut be with ball-and-socket joints at b and e and by bearings at a and f. the bearings
introductiona trebuchet is weapon developed and used europe in the 12th century. it can also be known as a counter
explain the different experiment.purpose of this practical is to verify the law for parallelogram of forces law for
the emission of an air pollutant is often influenced more by reaction kinetics than by chemical equilibrium. verify
fluid flows steadily at volume rate q through a large horizontal pipe and then divides into two small pipes the larger
Water vapor is cooled in a closed, rigid tank from 520°C and 100 bar to a final temperature of 270°C. Determine the final pressure, in bar, and sketch the process onT-y and p-y diagrams.
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