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An ideal gas of molar mass M is located in a uniform gravitational field , whose free fall acceleration is g. a) find the gas pressure as a function of height if p=p0 at sea level (y=0), and the temperature variation with height is given by T= T0 (1-ay). b) assuming To =300 k and a = 2 x 10^(-5) /m estimate the pressure ans temperature atop mount Everest. c) what is lapse rate dt/dy based on the above parameters(in kelvin/km)?
an infinitely long sheet of charge of width l lies in the xy-plane between x - l2 and x l2. the surface charge
a hydraulic system has a mechanical advantage of 4. If a smaller piston has a diameter of 5 inches what is the diameter of the larger piston?
Evaluate the effect of the water spray on efficiency (net work out divided by heat input) and net power out per kg/s of dry air coming into the turbine.
the system on site is a pressure sand filter with a service curve. the filter is backwashed using the feed pump at a
What is hogr? How much steam pressure is required to maintain adequate vacuum with it? Where are hogr used in general?
water contained in a closed, rigid tank, initially saturated vapor at 200C, is cooled to 100C. determine the initial and final pressure, each in bar. locate the initial and final states on a sketches of the p-v and T-v digrams.
Building HVAC Requirements - Indoor Air Quality and Mechanical Ventilation and how determine the size of the equipment if i need for 60cfm.?
What is the composition, in atom percent, of an alloy that consists of 5.5 wt% Pb and 94.5 wt% Sn?
At a section in a passage, the pressure is 150 kPa (abs), the temperature is 10 deg C, and the speed is 120 m/s. For isentropic flow of air, determine the Mach number at the point where the pressure is 50 kPa (abs). Sketch the passage shape.
the boy of mass 40 kg is sliding down the spiral slide at a constant speed such that his position measured from the top
problem i. steam at 5.0 mpa 500 degrees c enters an insulated turbine operating at steady state with a mass flow rate
For this same component and alloy, compute the stress level at which fracture will occur for a critical internal crack length of 6.0mm.
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