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A cooler in an air conditioner brings 0.5 kg/s air at 35oC to 5oC, both at 101 kPa and it then mix the output with a flow of 0.25 kg/s air at 20oC, 101 kPa sending the combined flow into a duct. Find the total heat transfer in the cooler and the temperature in the duct flow.
Given the function 2x5 array, x:[7,6,1,2,0;-1,4,3-2,0] execute the following operations: create array a with identical dimension to array x that set the negative values of x to zero. Create array b with identical dimention to array x which adds 3 to ..
pump a can empty a tank in four hours while pump b takes only three hours to empty the tank. how long will it take to
A refrigerator is maintained at 5°C by removing heat from the refrigerated space at 18,000 kJ/hr. The power input to the refrigerator is 1500 W and the surrounding air is at 36° C.
The maximum shear strain at a point in a thin elastic plate is given as gamma (max) = 450(mu). it is also known that the sum of the normal stresses on two perpendicular planes passing through the point is 30 mpa. Determine the magnitude of the princi..
If the final pressure is 1.0 MPa, determine (a) the temperature (°C) at the final state and (b) the heat transfer (kJ) during this process.
If 1 cubic foot is equal to 28.3168 liters and there are 60 seconds in a minute, if a flow rate is 3 cubic feet per minute, how much is it in liters per second?
a low quality-low pressure flow of saturated liquid-vapor mixture of water enters an insulated flash tank located in a
An amount P must be invested now to allow withdrawals of $1,000 per year for the next 15 years and to permit $300 to be withdrawn starting at the end of year 6 and continuing over the remainder of the 15-year period as the $300 increases by 6% per ye..
australian koala bears are thought to have a mean height of 21 inches and a standard deviation of 3 inches. you plan to
Calculate the change in velocity required in changing the position of a satellite in an orbit by 90 degrees. The initial and final orbit is circular around the Earth with a 15000 km radius. Calculate the delta velocity, semi-major axis and period for..
question 1. figure shows a pneumatic circuit diagram used for air supply and exhaust in an automatic control system.a
an orthotropic material has the follow properties ex 7500 ksi ey 2500 ksi gxy 1250ksi and vxy .25. determine the
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