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A rigid tank has 0.1 kg saturated vapor R-410a at 0 celsius that is cooled to -20 celius by a -20 celcius heat sink. Show the process in a T-s diagram; find the change in entropy of the R-410a, the heat sink, and the totla entropy generation.
the hot water needs of a household are met by a 60 l electric water heater whose heaters are rated at 1.6 kw. the hot
the collar has a mass of 20kg and is supported on the smooth vertical rod. the attarched springsare undeformed when d=0.5m determine the speed of collar after the applied force F=100N causes it to be displaced so that d=0.3m when d=0.5m, the colla..
Water is pumped from a lake at ambient pressure
A lap joint needs to be designed using 20-mm diameter bolts to carry a load of 120 kN on the connecting plates. If the shear stress in each rivet is not to exceed 90 MPa, determine the number of bolts needed.
the 25-kg bar bd is attached to the two light links ab and cd and moves in the vertical plane. the lower link is
water density 1000 kgm3 flowing in a horizontal 25 cm diameter pipe at 8 ms and 300 kpa gauge enters a 90 degree
(a) Sketch the cycle on a p V diagram. (b) Calculate the net work for the cycle, in kJ. (c) Calculate the heat transfer for process 2 3, in kJ. (d) Calculate the heat transfer for process 3 1, in kJ. (e) Is this a power cycle or a refrigeration cy..
A dockworker applies a constant horizontal force of 71.0 to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves a distance 11.5 in a time 5.00 . what is the mass of the ice block?
1.what are the four standard types of projections?nbsp2.what are the advantages of using grid paper for
assignment 1 product and engineering design reviewmust contain a brief description of the product then delve into
Estimate the infiltration flow rate if the window is partially open (assuming the window open area is 2 meter squared).
a remote sensing satellite is deployed in a circular sun-synchronous orbit with inclination 96.85deg. a. calculate
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