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1. 7000 m3 /min of air at 28.0°C and 0.101 MPa with a relative humidity of 60.0% is to be cooled at constant total pressure to its dew point temperature. Determine the required heat transfer rate and indicate its direction.
2. 30 ft3 /min of air with a dry bulb temperature of 90.0°F and a relative humidity of 80.0% is to be cooled and dehumidified to a dry bulb temperature of 65.0°F and a relative humidity of 50.0%.
Determine
(a) the wet bulb temperature of the air before dehumidification,
(b) the dew point temperature of the air after dehumidification,
(c) the amount of moisture removed during the dehumidification process, and
(d) the amount of heat removed during the cooling part of the dehumidification process.
During January 1-December 31, 2008, Epidemiologist conducted a prevalence survey of Type 2 diabetes, 500,000 cases were detected in a population of 10,000,000 persons. It was known that the incidence of diabetes in this population was 10 per 1,000. ..
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define why a dielectric increases the maximum operating voltage of a capacitator even though the physical size of the capacitator doesn't change.
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Obtain the pressure and temperature of the gas a short time after the stopper has been removed, when a negligible amount of heat transfer has taken place.
A small conducting spherical shell withinner radius a and outer radius b is concentric with a larger conducting spherical shell with inner radius c and outer radiusd, calculate the electric field (magnitude and direction) in termsof..
Why should we not be surprised that the rules governing small or rapidly moving objects seem "unreasonable"? Color television tubes are shielded to protect viewers from X-rays. How could a TV set produce X-rays?
a spring is hanging down from the ceiling and an object of mass m is attached to the free end. the object is pulled
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