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A metal block of mass 0.5kg is immersed in oil of density 850kg/m3
a. calculate the volume of oil that overflowed if the specific gravity of the block is 1.22.
b. calculate the mass and the weight of oil that is being displaced.
the compressor turbine of a simple gas turbine each have isentopic efficiencies of 90. the compressor pressure ratio is
oxygen o2 gas within a piston-cylinder assembly undergoes an expansion from a volume v1 0.01 m3 to a volume v2 0.03
an engineer designing a vibration isolation system for an instrument console models the console and isolation system as
Air enters the compressor of an ideal cold air-standard Brayton cycle at 100 kPa, 300 K, with a mass flow rate of 6 kg/s. The compressor pressure ratio is 10, and the turbine inlet temperature is 1400 K. For k 5 1.4, calculate
Ammonia is to be isothermally compressed in a specially designed flow turbine from 1 atm and 672 R to 50 atm. If the compression is done reversibly, compute the heat and work flows needed per lb-mole of ammonia by the following methods;
The water is initially at room temperature (293 K). Water boils at 373 K. How much energy must be added to the water by heating it in order for it to start boiling?
the a-36 steel plate has a thickness of 12 mm and other dimensions. r30mm p60mm ab200mm bc800mm cd200 width120mm. the
A rubber balloon has a mass of 1500 g when it is deflated, i.e., empty. When the balloon is filled up with Helium gas (He = 0.18 kg/m3 ), it takes the form of a sphere with a 4 m diameter. (V-sphere= (4/3)(pi)(r)^3) Find the net upward force on the i..
saturated water vapor at 400? is heated at constant pressure until its volume has doubled. determine the final
What is the rate of removal of CO per unit area of the catalyst - What is the removal rate if k1" is adjusted to render the process diffusion limited?
Calculate the net work done per cycle for each case and then plot the thermal efficiency against? on the same plot for each the four values of? Explain why there is an optimum?
1. a natural gas engine has a bsfc of 9000 btushp-hour when producing 200 horsepower. how many btus per hour does the
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