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A vibrating spring-mass system has a measured acceleration amplitude of 8 mm/s2 and measured displacement amplitude of 2 mm. Calculate the system's natural frequency.
consider an ideal vapor-compression air conditioner with a cooling capacity of q dotc 4 tons whose evaporator is used
the spring-loaded piston-cylinder device is filled with 0.5 kg of water vapor that is initially at 4 mpa and 400oc.
Water is pumped from a lake at ambient pressure
we want to achieve a concentration of 0.5wt of carbon at a depth of 0.2 mm below the surface of the slab of a metal.
For a 2500-ft2 dwelling in your locale, investigate the feasibility of using a microwave water heating system. Include a detailed economic evaluation accounting for equipment, installation, and operating costs. Place your findings in a memorandum.
From the analogy, show that the time dependence of the mass flux of carbon into the plate may be expressed as n''C = pC,s (DC Fe/t)1/2. Also, obtain an expression for the mass of carbon per unit area entering the iron plate over the time period t.
A non-reacting gaseous mixture with molar analysis of 74.3% N2, 4.3% O2, 7.1% CO2, and 14.3% H2O (g) enters a counter-flow heat exchanger at 800?F and 1 atm with a volumetric flow rate of 5 ft3/s (State 1) and exits at 200?F (State 2). A separate moi..
a tank of propane has capacity of 120 gallons what would the tank be rated in terms of cubic feet cubic meters and
a geothermal power plant uses geothermal water extracted at 160oc at a rate of 440 kgs as the heat source and produces
a a refrigeration system has a coeiumlnotfnofcient of performance of 5. the heat rejection is an isothermal process at
Given that the mass flow rate is 2.3 kg/s, the impeller tip speed is 500 m/s and the mechanical efficiency is 96%, determine the driving power on the shaft. Use Eq. (7.34b) for the slip factor
the sphere of mass m1 travels with an initial velocity v1 directed as shown and strikes the sphere of mass m2. for a
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