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The T-beam shown in the figure is fabricated by welding together two steel plates. If the allowable load for each weld is 1.8 k/in. in the longitudinal direction, what is the maximum allowable shear force V?
A steam turbine has an inlet of 2 kg/s water at 1000 kPa, 350oC and velocity of 15 m/s. The exit is at 100 kPa, x = 1 and very low velocity. Find the specific work and the power produced.
What is coefficient of lift (CL) of an airplane weighing 2200 lbs with wing surface area of 150 ft2, in steady level flight, at sea level density (0.0023 slugs/ft3), flying at 160 kts?
we are building a fire proof safety box that can withstand a 700c fire for two hours and not allow the inside of the
Consider heat transfer through a wall comprised of two solid layers, each 4m x 4m. When perfect contact is maintained between the layers, the steady state temperature profile across the wall might look like that shown below
a brayton cycle with regeneration using air as the working fluid has a pressure ratio of 7. the minimum and maximum
a 50 kg copper block initially at 350 c is quenched in a closed rigid insulated tank containing 120 l of liquid water
Finding the volume of hydrogen, A hydrogen filled balloon of the type used in cosmic ray studies is to be expanded to its full size which is a 100-ft diameter sphere, without stress in the wall at an altitude of 150,000 ft.
A deep freezer for hazardous chemicals is to be maintained at -20oF to insure a safe environment for the chemicals. The freezer is in a room that is kept at 60oF, and the inner and outer walls of the freezer are made of 26-gauge (0.0184-in) steel.
Diffusion Coeffiecient, Calculate Constant, The diffusion coeffiecient for Cr^+3 in Cr2O3 is 6x10^-15 cm2/s at 727 degrees Celcius and is 1x10^-9 cm2/s at 1400 degrees Celcius.
Perform a dimensional analysis to determine the dimensionless groups that would be required to define the pump performance. Arrange the groups so that the power and pump pressure each appear in only one group.
a crane is lifting concrete to a construction project where the acceleration of gravity is 31 fts2. if a 400 lbm
In a specific type of heat exchanger, a very hot jet of air is cooled from 145 degrees centigrade to 100 degrees centigrade by a cold stream of water. The water temperature must not rise By more than 12 degrees centigrade. Find 1.
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