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Air at 40oC flows over a flat plate, 0.8 m long at a velocity of 50 m/s. The plate surface is maintained at 300oC.
Determine the heat transferred from the entire plate length to air taking into consideration both laminar and turbulent portion of the boundary layer.
Also calculate the percentage error if the boundary layer is assumed to be turbulent nature from the very leading edge of the plate.
The bent rod ABDE is supported by ball-and- socket joint at A and E and by the cable DF. If a 600-N load is applied at C as shown , determine the tension in the cable.
Calculating temperature, water evaporation, and heat in a power plant cooling situation. In a nuclear power plant the cooling tower system must be run on a closed cycle.
consider the carburizing of a steel bar to create a hard surface. to obtain the desired hardness we need to control the
a privately owned summer camp has the following data for a 12-week sessioncharge per camper 480 per weekfixed costs
Water vapor at 6 MPa, 600°C enters a turbine operating at steady state and expands adiabatically to 10 kPa. The mass flow rate is 2 kg/s and the isentropic turbine efficiency is 94.7%. Kinetic and potential energy effects are negligible. Determine..
Air flows steadily through a one-inlet, one-exit control volume. At the inlet, which has a flow area of 28 cm2, the air is at 600 kPa, 500 K, and has velocity of 30 m/s. At the exit, the pressure is 300 kPa, the temperature is 456.5 K, and the veloci..
The 4 lb pulley has a diameter of 1 ft and the axle has a diameter of 1 in. if the coefficient of kinetic friction between the axle and the pulley is 0.20, determine the vertical force P on the rope required to lift the 20 lb block at constant vel..
a cylindrical aluminum specimen having an original diameter of 12.8 mm 0.505 in. and gauge length of 50.80 mm 2.000 in.
A new cast iron pipe is 5 km long and 15 mm diameter is used to convey water at a rate of 0.0150m3s-1. Given the absolute roughness of the pipe is 0.26 mm, density of water is 998 kg/m3 and dynamic viscosity of water is 1.14 × 10-3 kgm 1s-1.
A bicycle floor pump has a cylindrical tube with an inside diameter of 1.0 inches. On the pump's upstroke, a diaphragm check valve opens and brings air in at 13.0 psia. The air is then transferred to the tire during the down stroke. The stroke length..
radioactive wastes are temporarily stored in spherical container the centerof which is buried a distance of 10m below
a 50.0 g object moves on the end of a spring with spring constant k 25.0 nm. it is released with an initial
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