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Steam at 80 bar, 440 Celsius, enters a turbine operating at steady state at a volumetric flow rate of 180 m3/min. The water exits the turbine in two streams, 20% as exits through a 0.25 m diameter pipe at 60 bar, 400 Celsius. The rest exits through a 1.5 m diameter pipe at a quality of 85%, 0.7 bar. Determine the mass flow rate at the inlet in kg/s and velocity in each of the exit pipes in m/s
the velocity of a lift increases uniformly from zero to its maximum value at mid-height (1.4m) in 7.5s and then decreases uniformly to zero in 7.5s. The peak power output is 6kW when the velocity is maximum, determine the maximum lift force provid..
water flows in a horizontal pipe with entrance velocity 2.5ms is turning 90 degrees and leaves the pipe. pipe diameter
a rectangular tank open to the atmosphere is filled with water to a depth of 2.5 m as shown. a u-tube manometer is
if the isentropic efficiency of the compressor is 72 and the pressure ratio is 2.21 for an inlet pressure and
If an identical spring is cut so that one part is one-fourth and the other part three-fourths of the original length, and the mass m is connected to the two parts, what would be the natural period of the system?
a cylinder of compacted scrap metal measuring 2 m in length and 0.5 in diameter suspended from a spring scale at a
a refrigerator with a coefficient of performance of 4 transfers heat from a cold region at -20c to a hot region at 30c.
a heat pump is to be used to heat a building during the winter. the building is to be maintained at 24.2 celsiius at
Gear A rotates with an angular velocity of 100 rpm clockwise. Knowing that the angular velocity of arm AB is 50 rpm counterclockwise, determine the corresponding angular velocity of gear B.
using the fact that the tension in the rope must remain constant in all sections of the rope calculate the total force
an adiabatic and reversible steam turbine receives steam at 1 mpa and 300 degrees c. the exit pressure is 100 kpa.
You arrive home from a winter trip and turn on your baseboard (resistance coil) heater to warm the room. It remains on for 14 minutes, during which time it steadily consumes 3.5 kW of electricity. How much energy was transferred to the room in kJ?
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