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A mixing chamber receives 3kg/min ammonia as saturated liquid at -20 C from one line and ammonia at 40 C, 300 kPa from another line through a valve. THe chamber also receives 325 kJ/min energy as heat transferred from a 40 C reservoir. This should produce saturated ammonia vapor at -20 C in the exit line. What is the mass flow rate in the second line and what is the total entropy generation in the process?
block a and b weigh 100 lb and 60 lb respectively. if block a has a center of gravity at g as shown determine the
Aim of this demonstration is to use measurements of the load required to propagate a crack (tear) in packaging tape to determine its fracture toughness and Describe the fracture behaviour of the insulation tape loaded with a small crack. Explain w..
the position of a particle moving in a curvilinear path is given by thetacos2t where theta units are radians and t
the 10-kg mass a is moving at 5 ms when it is 1 m from the stsaionary 10 kg mass b. the coefficiient of kinetic
a steel tensile specimen with starting gage length 2.0 in and cross-sectional area 0.5 in2 reaches a maximum load of
Sketch the T-s diagram for the cycle (put labels and appropriate information)
now consider the cooling process. it takes place in a heat exchanger hx. warm air. at 75 f is flows into one side of
a power unit has a power rating of 30 kw and supplies flow at a rate of 60 lpm, what is the maximum pressure this unit can withstand?
a 2.5 hp motor is used to move an 200lbf object across a horizontal surface at a velocity of 22 fts in a time period of
A body having a mass of 46 kg rests on a horizontal planse for which the coefficiant of friction f = 0.4. A force P acts ofn the body at an angle of 20 degrees with the horizontal. Find its magnitude for impending motion.
an insulated rigid tank initially contains 1.5 lbm. of helium at 80 deg f and 50 psi. a paddle wheel with a power
the 3000 lb car and the 4600 lb tow truck are stationary. the muddy surface on which the car rest exerts a negligible friction force on the car. what is the tension in the tow cable.
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