Determine mean effective pressure and heat rejection
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The condenser operates at 10 kPa. Determine:(a) the mass flow rate through the boiler needed for this system to produce a net 5000 kW of power
A box contains one twenty-dollar bill and four one-dollar bills. Two bills are randomly chosen, one at a time, without replacement. a. Find the expected value of the bill drawn first.
The solar constant is the flux of the Sun's radiation at the top of the Earth's atmosphere. Calculate it's value assuming that the sun is a blackbody with an effective temperature of 5800 K, a radius of 7*10^10 cm, and is 1.5*10^13 cm distant from
A box contains 100 bulbs, 2 of which are defective and the remaining are non-defective. One bulb is selected after another for the usage in the school .
At the beginning of compression, P1 = 85 kPa and T1 = 305 K. The mass of air is 2 g. and the maximum temperature in the cycle is 960 K. Determine: the heat rejection, in kJ.
Each two years a man trades his car for a new car. If he has a Ford, he trades it for Mercedes-Benz . If he has a Mercedes-Benz, he trades it for BMW.
If a general linear programming problem can also be formulated as a network problem, the network formulation is generally preferable because of easier model input and a quicker solution technique.
Calculate the limiting visual brightness in magnitudes for naked eye viewing through a 10-m telescope. Assume the eye has a pupil diameter of 0.2 in.
A bar of steel 3 in (76.2mm) in diameter is to be machined at 90 fpm (0.5 m/sec). What spindle speed should be used?
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