Engineering, 05.10.2019 13:30 Shathep
Assume that water at 15 c is flowing through a copper pipe, the pipe is 6 inch schedule 40, and outside is air at 25 c. if the situation is assumed to be steady state, a) what would be the heat loss from the pipe to the atmosphere? assume that the heat convection coefficient inside and outside are 100 and 10 w/m2k, respectively. b) what would be the temperature of the inner and outer wall temperature?
Answers: 2
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On a average work day more than work place firs are reorted
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The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false
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Engineering, 04.07.2019 18:10
Abrake has a normal braking torque of 2.8 kip in and heat-dissipating cast-iron surfaces whose mass is 40 lbm. suppose a load is brought to rest in 8.0 s from an initial angular speed of 1600 rev/min using the normal braking torque; estimate the temperature rise of the heat dissipating surfaces.
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Engineering, 04.07.2019 18:10
Refrigerant 134a enters an insulated compressor operating at steady state as saturated vapor at -26°c with a volumetric flow rate of 0.18 m3/s. refrigerant exits at 9 bar, 70°c. changes in kinetic and potential energy from inlet to exit can be ignored. determine the volumetric flow rate at the exit, in m3/s, and the compressor power, in kw.
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Assume that water at 15 c is flowing through a copper pipe, the pipe is 6 inch schedule 40, and outs...
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