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Consider atmospheric air at 25 degrees Celsius and a velocity at 25 m/s flowing over both sides of a 1 eter long flat plate that is maintained at 125 degrees Celsius. Determine the rate of heat transfer per unit width from the plate for values of the critical Reynolds number corresponding to 105, 5 x 105, and 106?.
liquid water at 180oc 2000 kpa is throttled into a flash evaporator chamber having a pressure of 500 kpa. neglect any
question a 49 kg person drinks 520. g of milk which has a caloric value of approximately 3.0 kjg. if only 19 of the
Water enters the pump of a steam power plant as saturated liquit at 20kpa at a rate of 45kg/s and exits at 6mpa. Neglecting KE and PE changes and assuming the process is reversible, determine the power input of the pump
a single unit of product a requires 2.4 minutes of punch press time and 5.0 minutes of assembly time. the profit for
oxygen at 100 kpa 27degc is compressed to 1 mpa in an adiabatic compressor whose isentropic efficiency is 0.80.
a 5 ft3 tank containing steam at 14.7 psia 1 quality is fitted with a relief valve. heat is transferred to the tank
a steam power plant utilizes the rankine cycle. steam enters the turbine at 50 bar and 500oc respectively. condenser
a freely moving piston cylinder device containing steam at 270 degrees celsius and 1000 kpa is taken outside ona cold
approximate a boeing 777 aircraft as a system with a fixed mass of 200000 kg. the plane initially cruises at 270 ms at
assuming that the diameters of 1000 brass plugs taken consecutively from a machine form a normal distribution with
A box that weighs 50 lbf on earth is moved to Saturn where its new weight is 105 lbf. What is the acceleration due to gravity on Saturn? The gravitational acceleration on earth is 32.2 ft/s^2. What is the new weight (lbf) of the box if it is moved to..
Fluid is flowing in the pipe has two areas. The velocity of the fluid flowing in the larger area is 4 ft/s. The radius of the larger area is 4 inches. The radius of the smaller section is 2 inches. What is the velocity of the fluid in the small secti..
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