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Problem -1
The cast-iron plug seals the drainpipe of an open fresh-water tank which is filled to a depth of 20 ft. Determine the tension T required to remove the plug from its tapered hole. Atmospheric pressure exists in the drainpipe and in the seal area as the plug is being removed. Neglect mechanical friction between the plug and its supporting surface.
Problem -2
The upstream side of an arched dam has the form of a vertical cylindrical surface of 500-ft radius and subtends an angle of 60°. If the fresh water is 100 ft deep, determine the total force R exerted by the water on the dam face.
water in a pistoncylinder arrangement b is connected to a 1 m3 tank a by a line and valve. initially at state 1 the
superheated steam at 18 mpa. 560 degree c enters the steam turbine. the pressure at the exit of the turbine is 0.06 bar
a gas is contained in a vertical fractionless- cylinder device. the piston has a mass of 4 kg and cross sectional area
a 1m3 rigid tank initially contains 5kg of steam at 150degc. a relief valve on top of the tank is opened to allow steam
a turbine produces 2 mw of power while accepting steam at 3 mpa and 400 c and rejecting steam at 50 kpa and 100c. find
A steady flow air compressor compresses 50 lb/min from 14 psia and 80 degrees F to a discharge state at 45 psia and 300 degrees F. Heat departs from the air only via circulating water that enters the jacket at 75 degrees F and leaves at 95 degrees..
Water vapour enters an adiabatic turbine at a flow rate of 820 L/s. The turbine expands the water from 10 MPa and 600oC to 8 kPa and a quality of 0.9. Kinetic energy and potential energy effects can be ignored.
consider a vertical piston-cylinder assembly with a 50 kg piston attached to a spring and exposed to atmospheric
the table below gives physical properties for three types of fibers used to reinforce polymer resins to make pmc
a base for a building column measures 18.0 in by 18.0 in on a side and 12.0 in high. compute the cross-sectional area
Water is the working fluid in a Rankine cycle. Superheated vapor enters the turbine 10MPa, 480 celcius, and the condenser pressure is 6kPa. The turbine and pump have isentropic efficiencies of 80 and 70% respectively.
A fan is located in a 0.5 m x 0.5 m duct. The average air velocity at the fan outlet is 10 m/s and the air density is 1.2 kg/m^3. Determine the mass flow rate of air and the electric power consumption of the fan motor. (Neglect the inlet air velocity..
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