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During operation, the compressor unit of a refrigerator, with mass 75 kg and rotational speed 900 rpm, experiences a dynamic force of 200 N. The compressor unit is supported on four identical springs, each with a stiffness of k and negligible damping. Find the value of k if only 15% of the dynamic force is to be transmitted to the support or base. Also, find the clearance space to be provided to the compressor unit.
consider a piston-cylinder system containing 0.1 kg of water. initially the volume of the system is 0.0125 m3 while the
The PBASIC program identify the functions and syntax.
An air compressor compresses air from 1 bar and 300 K to 5 bar and 540 K. The velocity at the inlet is 70 m/s and the velocity at the exit is 150 m/s. If To = 300 K and Po = 1bar.
The drag force on an object depends on the dimensionless drag coefficient, the density of air, the object velocity, and the frontal area of the object. By only considering units obtain a relation for the drag force.
carbon dioxide is compressed in an isentropic process from 103 kpa and 22 degrees celcius to 525 kpa using a
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 2-kg sphere a is moving toward the right at 4 ms when it strikes the end of a 5 kg slender bar b. the coefficient of
determine the mass of methane gas stored in a 2 m3 tank at ?30degc 3 mpa. estimate the percent error in the mass
An ideal gas, with temperature independent Cp=(7/2)R, at 15c and having an initial volume of 60m^3, is heated at constant pressure (P=0.1013 MPa) to 30c by transfer of heat from a reservoir at 50c. Calculate delS(gas), delS(heat reservoir), delS(univ..
The diameter of the steel pin at C is 0.375in and the ultimate shear strength is 54ksi. If a factor of safety of 2.0 is required in both the strut and the pin at C. determine the maximum load P that can be supported by the structure.
a boiler must supply steam at 250 psia and 650 fahrenheit. if the water supplied to the boiler is saturated liquid at 3
Your human interface should include buttons to trigger sound recording, stop recording, start playback, and stop playback.
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