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(2a). Find the temperature of water at 200 kPa and specific enthalpy of 350 kJ/kg
(2b). A heat pump and a refrigerator operate on same cycle between same hot and cool reservoir at temperature TH, and TL, respectively. Please demonstrate = +1 COPHP COPRF and comments if this equation can only applied to heat pumps and refrigerator operated with reversible cycle.
water at 10degc is pumped from a lake through a pipe to an elevation of 25 m above the lake surface. the pipe is 650 m
a four-cylinder four-stroke 2.8-liter compression-ignition engine operates on the ideal dual cycle with a compression
Find the equation of a Hermite cubic spline that passes through points (1, 1) and (3, 2) and whose tangent vectors are as follows: Sketch the curve and the blending functions for the defining points and vectors of a parametric cubic curve.
A piston-cylinder assembly contains 2 lb of water initially at 100 psi and 400 F. The water undergoes two processes in a series, first a constant pressure process and then a constant-volume process. At the end of teh constant-volume process the tempe..
determine the no2 emissions rate lbhr from a steam plant that uses sugar mill waste 3300 btulb to generate 1000 lb
a 10-kg block is moving down along a plane incline at a 10 degree angle. the coefficient of kinetic friction between
steam flows through a small turbine at a rate of 10000 kgh entering at 600 degc and 2.0 mpa and emerging at 0.01 mpa
a food department is kept at -15 degrees celsius by a refrigerator in an environment at 25 degrees celsius. the total
A turbojet is flying with a velocity of 900 ft/s at an altitude of 20,000 ft, where the ambient conditions are 7 psia and 108F. The pressure ratio across the compressor is 13, and the temperature at the turbine inlet is 2400 R.
a reheat cycle operates with initial steam conditions of 1500 psia and 1000 degrees fahrenheit at the inlet to the
A 2.64 kg copper part, initially at 400 K, is plunged into a tank containing 4 kg of liquid water, initially at 300 K. The copper part and water can be modeled as incompressible with specific heats of 0.385 kJ/kg. K and 4.2 kJ/kg. K, respectively.
Consider a NACA 0009 airfoil that has a plain flap whose length is 0.2c and which is deflected 25. a. Calculate cl and cmc/4 When the geometric angle of attack is 4 degrees, what is the section lift coefficient? Where is the center of pressure?
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