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A mixing drum is accelerated from 50 to 160 rpm in a time of 20 s by a driving torque of 25 Nm. Determine (a) the angular acceleration, (b) the number of complete revolutions turned, (c) the work done, (d) the average power developed, (e) the maximum power developed.
Determine the volume change, in ft^3, when 1 lbm of water, initially saturated liquid, is heated to saturated vapor while pressure remains constant at: Sketch a T-v diagram and indicate all relevant state points (eight total points).
Coal containing 5.0 wt% S is burned at a rate of 1250lbm/mm in a boiler furnace. All of the sulfur in the coal is oxidized to SO2. The product gas is sent to a scrubber in which most of the SO2 is removed, and the scrubbed gas then passes out of a..
Industrial plant consists of 4-motors and transformer. Two induction motors and two synchronous motors are installed with the following data: The slip range of induction motors is between: s = 0.03-0.05
on a given day a barometer at the base of the washington monument reads 29.97 in. of mercury. what would the barometer
a rectangular fuel storage tank 2.4m wide and 2m high has a volume of 40 m3. it is placed horizontally so the top of
ten grams of liquid water at 95 c are contained in the insulated container shown. the pin holding the frictionless
water flows in a horizontal pipe with entrance velocity 2.5ms is turning 90 degrees and leaves the pipe. pipe diameter
an electric wire made of c14500 copper is stretched between two street supports at 20 degrees celcius so that a stress
Air is compressed at steady state from 1 bar, 300 K to 5 bar 500 K using 150 kW of power. The compressor produces 50 kW of heat that is transferred to the surroundings. Assuming an ideal gas determine the mass flow rate of the fluid.
In the physical aliasing demonstration, the small DC electric motor rotated the wheel at 1500 RPM. What would be the Nyquist frequency in RPM for the rotation of the wheel?
an ideal vapor-compression refrigeration cycle opperates at steady state with refrigeratn 134a as the working fluid.
Determine the magnitude and direction of the friction force F exerted by the horizontal surface on the crate.
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