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The rigid rotor of Fig. 10.28 shown with three masses is to be balanced by the addition of a fourth mass. Determine the required weight and angular position of the balancing mass, which is to be located at r4 = 10 in. Show answers on a scale drawing of the rotor.
The period of oscillation is measured to be 0.02Π s. Calculate the natural frequency and the driving frequency of the system.
The rate of heat addition to an air-standard Brayton cycle is 5.2 × 108 Btu/ h. The pressure ratio for the cycle is 12 and the minimum and maximum temperatures are 520°R and 2800°R, respectively. Determine the thermal efficiency of the cycle.
a freshly drawn glass fiber 100 microm in diameter breaks under a tensile load of 40 kn . after subsequent handling a
Identify a house (bungalow or townhouse or 2/3 storey house) and reduce its total energy (gas and electricity) consumption by 30% by redesigning the walls, windows (double-pane), doors and roof in order to minimize the heat transfer losses.
Determine the total heat transfer and the total work(kj). and show the T-V diagram.
The tank cover is airtight, and the pressure above the water surface is 2 atm gage. The system is at sea level. Determine the max height to which the water stream could rise.
A 200 mm dia particle requires approximately 4 s to solidify during atomization and travels 1 m during this time. What would be the distance traveled by a 40 mm dia particle of the same material before solidification under the same conditions?
a steel ring of mean diameter 250 mm has a square section 2.5 mm by 2.5 mm. it is split by a narrow radial saw cut. the
A turbine of the ship of Gannet handles a mass of 4.536 kg/hr of water that enters with a speed of 199.2 ft/seg and that goes out at a speed of 1200.9 ft/seg provoking a change in its Kinetic Energy …. How much in HP?
A piston cylinder assembly which initially has a volume of 1m^3 is filled with .7 kg of air. The pressure on the air is always maintained at 1.2 bars. Heat transfer is allowed to take place until the volume is 60 percent of the initial value. You may..
A reversed Carnot engine provides 200kw of heating at 350K while operating between 350K and 280K. A carnot engine operating between 900 K and 300 K provides the power for heating. Determine the heat required for the Carnot engine.
the centerboard of a sailboat is 2.5m long and has a chord of 1m. approximate the centerboard as a flat plate in water
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