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Why is it important that all component interactions are defined through ‘requires' and ‘provides' interfaces?
The principle of component independence means that it ought to be possible to replace one component with another that is implemented in a completely different way. Using an example, explain how such component replacement could have undesired consequences and may lead to system failure.
you are considering replacing the diesel engine for problem 4 with a microturbine with a pressure ratio of 8. the
The temperature inside a Carnot refrigerator is maintained at 5 degrees C by rejecting heat to the surrounings at an ambient temperature of 27 degrees C. The inside temperature now decreases to -13 degrees C with the ambient temperature remaining co..
two kg of nitrogen at 40degc and 200 kpa are contained in a frictionless piston-cylinder device. the nitrogen is
a carnot heat engine using 1 kg of air has the following conditions heat addition beginning at 15 mpa and 1200 k and
A cube 2 ft on an edge has its lower half of material with SG = 1.4 and upper half SG = 0.6. It is fully submerged in a 2 layer liquid (lighter liquid above has SG = 0.9 and heavier liquid below has SG = 1.2). Determine the height of the top of the c..
A steady flow air compressor compresses 50 lb/min from 14 psia and 80 degrees F to a discharge state at 45 psia and 300 degrees F. Heat departs from the air only via circulating water that enters the jacket at 75 degrees F and leaves at 95 degrees..
a motor consumes 1200 hp of electrical power when operating at steady state. the motor receives an input voltage of 560
question a 49 kg person drinks 520. g of milk which has a caloric value of approximately 3.0 kjg. if only 19 of the
Water in steady flow enters a pipe at 5 MPa and 5oC where it is heated in a constant pressure process to 1000oC. The inlet velocity is 5 m/s, and the inlet flow area is 0.005 m2.
a jet transport aircraft cruises at 12 km altitude in steady level flight at 820 kmhr. model the aircraft fuselage as a
air flows through a well-insulated nozzle operating at steady state. at the inlet the pressure is 4 bar the temperature
Refrigerant 134a flows at steady state through a horizontal tube with inner diameter of 0.05 m. The refrigerant enters the tube with a quality of 0.1, temperature of 36 C, and velocity of 10 m/s. The refrigerant exits the tube at 9 bar as a saturated..
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