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Calculate the steady state heat transfer rate (in J/mm2•s) through a rod of copper 10 mm thick if the temperature gradient is 50 oC. The density of Cu is 8.9 g/cm3 and the thermal conductivity is 398 J/(s•mK) b) How is heat conducted in solids? c) Which mechanism would you expect to dominate thermal conductivity in Cu? Al2O3?
In an air-water vapor mixture at 30°C, the partial pressure of the water vapor is 1.5kPa, and the partial pressure of the dry air is 100.5kPa. What is the relative humidity of the air-water vapor mixture?
an adiabotic nozzle handling air ideal gas with constant specific heats has operating conditions as followsa1
1. a face-milling operation is performed to finish the top surface of a steel rectangular 5 workpiece 12.0 in long by
a .5 inch solid bar is to be tested for its strength by applying a torsional force until the bar completely brakes in
an instrument having a resonance frequency of 1414 rads with a damping ratio of 0.5 is used to measure a signal of 6000
descriptionthe program for this assignment comes from a research project i did while i worked at kumed. a researcher
steam enters a heat exchanger operating at steady state at 250 kpa and a quality of 90 and exits as saturated liquid at
determine the fourier series for the period t of the function described byy t 4at t a for -t2 less than
in a diesel cycle the cutoff ratio is two and the compression ratio is eighteen. at state 1 the air is 14.7 psia and
a transformer consisting of two coils wrapped around an iron core is connected to a generator and a resistor as shown
1. what is the difference between measurement and inspection?2. list and explain at least 3 measuring equipments for
A piston-cylinder device contains 0.005 m3 of liquid water and 0.9 m3 of water vapor in equilibrium at 600 kPa. Heat is transferred at constant pressure until the temperature reaches 200°C.
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