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Steam enters a long, horizontal pipe with an inlet diameter of D1 = 12 cm at 1 MPa and 300°C with a velocity of 2 m/s. Farther downstream, the conditions are 800 kPa and 250°C, and the diameter is D2 = 10 cm. Determine
(a) the mass flow rate of the steam and
(b) the rate of heat transfer
a container filled with 45 kg of liquid water at 95degc is placed in a 90-m3 room that is initially at 12degc. thermal
rod ab consists of two cylindrical portions ac and bc eac with a cross sectional area of 1750mm2. portion ac is made of
steam flows through a small turbine at a rate of 10000 kgh entering at 600 degc and 2.0 mpa and emerging at 0.01 mpa
titanium w6.94x10-19j and silicon w7.77x10-19j surfaces are irradiated with uv radiation with a wavelength of 227nm.
The external heat transfer coefficient is h=10 W/m^2*K. What is the rate of heat loss to the ambient?
a horizontal force f pushes a 10 kg block up a fricitionless ramp with a circular contour the radius of curvature of
R-410a flows at 0.3 Ibm/s in a refrigeration system. The R-410a is throttled from 60 F. 270 psia to 45 psia. Determine the temperature and quality of the R-410a after throttling.
Condensate exiting the feedwater heater as saturated liquid at 120 lbf/in.2 undergoes a throttling process as it passes through a trap into the condenser. The feedwater leaves the heater at 1400 lbf/in.2 and a temperature equal to the saturation t..
if a particles position is described by the polar coordinates r 2 sin 2u m and u 4t rad where t is in seconds
a cannon is pointed at 60 degrees angle relative to flat horizontal field. it fires a projectile with a muzzle speed of
Briefly outline the differences between full film and hydrodynamic lubrication, giving a practical example of each type - Calculate the value of fracture toughness, KIC, for this particular aluminium.
Consider an engine cover that is made with two layers of metal plates. The inner layer is stainless steel (k1 = 14 W/m*k) with a thickness of 10 mm, and the outer layer is aluminum (k2 = 237 W/m*K) with a thickness of 5 mm. Both metal plates have a s..
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