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A pipe with OD 6.03cm, ID 4.93cm carries steam at 250deg C with h = 200 W/m^2.K The pipe is covered with 2.5cm of magnesia (85%) insulation followed by 2.5cm of polystyrene (k = .025 W/m.K The outer surface is exposed to air at T = 20 deg C with h = 10 W/m^.K What is the rate of heat loss per meter of pipe?
a natural gas-fired furnance in textile plant is used to provide steam at 130c at time of high demand the furnace
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An uninsulated thin-wall pipe of 75 mm diameter is used to transport water at a temperature of 3?C to an outdoor cooling towe
1 air at the inlet of a nozzle is at 500 kpa 42.2oc and a velocity of 87 ms. the nozzle exit pressure is at 132 kpa.
the 2 mg car increases its speed uniformly from rest to 25 ms in 30s up the inclined road. determine the maximum power
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Steam enters a nozzle at 4 MPa and 640°C with a velocity of 20 m/s. This process may be considered reversible and adiabatic. The nozzle exit pressure is 0.1 MPa. (a) Draw a sketch of this process. Include all known information. (b) What is the entro..
a submarine is cruising in the ocean at a depth of 320 m. salt water has a specific gravity of 1.03. determine the
for steel cp 135 jkg-k a 4.5x10-6 ok density 7.85 gcm3 e 207 gpaa. a 1 m long steel rod 10 cm in diameter is heated
approximate a boeing 777 aircraft as a system with a fixed mass of 200000 kg. the plane initially cruises at 270 ms at
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