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There are three basic laws in our study of ?uid mechanics: the conservation of mass, Newton's second law, and the ?rst law of thermodynamics. (a) State an integral quantity for each of the laws and (b) state a quantity de?ned at a point for each of the laws.
A simple ideal ranking cycle has a power output of 660 MW, a turbine inlet condition of T1=1000F, P1=1800 psia and a condenser operating pressure of P2=1.5 psia.
a bubble of air is suspended in clean water at ambient pressure and temperature.a. how do the pressure and the number
a piston-cylinder device with a piston surface area of 0.1m2 is initially filled with 0.05m3 of air at the local
A closed volume of 1 m3 of air (at sea level) is heated from 20°C to 400°C. Use the values for specific heat (cv =20.786 J/molK , cp= 29.1006 J/molK) and the specific gas constant R=8.31446 J/molK
a roast is in an oven and weighs 2.25 kg. it is initially at 6 degrees celsius and needs to be heated to 80 degrees
sterling silver is a metal alloy containing silver and copper. calculate the composition of both elements in mass
a steam plant uses 3.045 tonne of coalh. the steam is fed to a turbine the output of which is 4.1 mw. the calorific
a mass of 0.25 kg of co2 at a temperature of 300 k and pressure of 100 kpa is heated at constant pressure to a volume
a horizontal disc accelerates from rest at 5 radsec2. the coefficient of static friction between it and the 2.5-kg
Iron is a polytropic material. At room temperature, it has a BCC crystal structure (alpha-iron or ferrite). Upon heating above 912C, it converts to a FCC crystal structure (-iron or austenite). If heated above 1394?C, it converts to a different BCC s..
1. a natural gas engine has a bsfc of 9000 btushp-hour when producing 200 horsepower. how many btus per hour does the
A concentric tube, i.e. tube-in-tube, heat exchanger uses water at 15 °C to cool ethylene glycol from 100 °C to 60 °C. The water and glycol flow rates are each 0.5 kg/s. The specific heat of glycol and water are 2637 J/kg-K and 4180 J/kg-K, respectiv..
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