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It is proposed to use a solar-powered thermoelectric system installed on the roof to cool residential buildings. The system consists of a thermoelectric refrigerator that is powered by a thermoelectric power generator whose top surface is a solar collector. Discuss the feasibility and the cost of such a system, and determine if the proposed system installed on one side of the roof can meet a significant portion of the cooling requirements of a typical house in your area.
An asset costs $14 000 and has a scrap value of $3000 after sevenyears. Calculate its book value using straight-line depreciation
A rectangular steel plate with thickness t=0.625 inches is subjected to normal stresses sigma x and sigma y.The strain in the x direction is known to be 0.00065 and the strain in the y direction is known to be 0.0004.
The sum of the coefficients of x and y
A distance of 72.55ft. is recorded. A steel tape is supported atthe ends with a tension of 15 lb. and weighting 0.016lb/ft2 . Find the distance corrected for sag.
A 100 ft steel tape of cross-sectional area 0.0025 in^2, weight 2.3 lb, and standardized at 68 degrees F is 99.992 ft between end marks when supported throughout under a 12-lb pull. What is the tree horizontal length of the recorded slope distance BC..
Prove clausius inequality in steam power plant operating in cycle.given that heat transfer in boiler =2070kJ/kg at 164 degree celcius ;heat tranfer in condenser =1905 kJ/kgat 52 degree celcius.
A saturated clay deposit is vane-tested in-situ. A torque of 30Nm is required to shear the clat. The vane is 40mm wide by 100mm long.What is the undrained shear strength of the clat in kPa?
A 5-micron droplet of water is being carried in standard air toward a 500-micron drop of water at a relative velocity of 40m/s. Will the two drops collide
What is the elongation of a rectangular bar (cross section 2 inch * 2 inch length 4 ft) When it is subjected to an axial load of 80,000 lbs. Assume the material of the bar has the following properties G = 7,700 KSI, V =0.30
A coal with 6% ash and a heating value of 13,000 Btu/lb is burned in a new power plant. Assume that 30% of the ask falls out as bottom ash in the furnace. Calculate the efficiency of ESP required to meet federal new source performance standards.
Determine the mass of the earth knowing that the mean radius of the moons orbit about the earth is 238.910mi and that the moon requires 27.32 days to complete one full revolution about the earth
A rectangular concrete channel (n=0.015, S_o = 0.005) has a bottom width of 6.0 m and a discharge rate of 25 m^3/s. 1) Compute the normal depth y_n 2) Compute the critical depth y_c 3) Compute the minimum specific energy E_min
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