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Slug flow is an idealized tube flow condition for which the velocity is assumed to be uniform over the entire tube cross section. For the case of laminar slug flow with a uniform surface heat flux, determine the form of the fully developed temperature distribution T(r) and the Nusselt number NuD.
A polutry farm owns 100 laying hens. Each week a hen can either lay 12 eggs or hatch 4 eggs, but not both. At the end of the four-week period all eggs and chicks will be sold: an egg will bring 10 cents, and a chick will bring 60 cents.
a bullet of mass 81gm and moving with a velocity of 300msec is fired into a log of wood and it penetrates to a depth of
four tug boats are having a contest to see who is strongest. each boat attaches a rope to a very strong metal ring.
Determine (a) the horizontal line along which the shearing stress is a maximum, (b) the constant k in the following expression for the maximum shearing stress.
the centerboard of a sailboat is 2.5m long and has a chord of 1m. approximate the centerboard as a flat plate in water
block a and b weigh 100 lb and 60 lb respectively. if block a has a center of gravity at g as shown determine the
Explain why an electric refrigerator, which transfers energy by means of heat from the cold food storage compartment to the warmer air in the room, is not an impossible "clauses device."
you are to select a refrigerator for frozen food processing facility. the freezing of the food requires a heat rate of
Consider a wooden door with a glass window. The door is 5 cm thick and 0.75 m wide by 2 m tall. The window is 0.2 m square and 1 cm thick. The air on one side of the door has a temperature of 23°C and a heat transfer coefficient of 10 W/m2-K. The air..
What is the water exit temperature under these new conditions, and by how much is the heat-transfer rate reduced?
Gary is using a 12-bit A/D converter with a range of -10 to 10 V. His input signal comes from a pressure transducer, and has a range of -15 to 15 mV. Gary also has an amplifier circuit (output = G x input, where G is the gain of the amplifier) which ..
a rigid container of volume v 01 m3 contains 1 kg of water. initially the system is at a temperature of t1 30c.a what
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