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Steam enters a turbine steadily at 10 MPa and 550oC with a velocity of 60 m/s and leaves at 25 kPa with a quality of 90 percent. A heat loss of 30 kJ/kg occurs during the process. The inlet area of the turbine is 200 cm2, and the exit area is 1400 cm2. Determine (a) the mass flow rate of the steam, (b) the exit velocity, and (c) the power output.
The mean diameter of a conical friction clutch is 250mm with a width of the conical surface being 50mm. The clutch is lined with a material having a coefficient of friction of 0.25
the displacement volume of a six-cylinder diesel engine is 3 liters. the cycle can be modeled as an ideal diesel cycle
a consider a simply-supported low-alloy steel shaft ten feet in length and two inches in diameter. the shaft supports
Assuming that the coefficient of friction in cutting is 0.25 for turning a hard aluminium alloy on a 20 hp lathe (mechanical efficiency = 90%) with a width of cut of 0.24 in, a rake angle of 11°, and a cutting speed of 333 ft/min. Assume the cut is a..
a 200 3 250-mm panel of mass 20 kg is supported by hinges along edge ab. cable cde is attached to the panel at c passes
A journal bearing is to be designed for a centrifugal pump for the following data: load on the journal = 12 kN ; diameter of the journal = 75 mm ; speed = 1440 r.p.m ; atmospheric temperature of the oil = 16 C ; peering temperature of the oil = 60 C ..
an ideal gas undergoes a process between two specified temperatures first at constant pressure and then at constant
the end of a large tubular workpart is to be faced on a nc vertical boring mill. the part has an outside diameter 45.0
The refrigerant R-410a is contained in a piston-cylinder device, as shown in the figure, where the volume is 13 L when the piston hits the stops. The initial state of the fluid is -30 °C, 150 kPa, with a volume of 10 L. The entire system is brought ..
if the discharge from the turbine is 250 cubic feet per second what power output may be expected from the turbine?
If a slider block C is fixed to the disk that has a constant counter clockwise angular velocity of 4 rad/sec, determine the angular velocity and angular acceleration of the slotted arm AB at the instant shown.
a gas contained within a piston-cylinder assembly undergoes three processes in series process 1-2 constant volume from
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