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The best solar panels currently available are about 13% efficient in converting sunlight to electricity. A typical home will use about 40. kWh of electricity per day (1 kWh 1 kilowatt hour; 1 kW 1000 J/s). Assuming 8.0 hours of useful sunlight per day, calculate the minimum solar panel surface area necessary to provide all of a typical home's electricity. (See Exercise 96 for the energy rate supplied by the sun.)
A two-stage centrifugal compressor will be used for both duties. Take the polytrophic efficiency for both compressors as 70%. The hydrogen supply pressure is 120 kN/m2 and the temperature 25 °C. The hydrogen chloride is cooled to 50 °C after leavi..
Develop and execute a PS pice program to analyze the circuit shown in Figure P2.5.1 to evaluate the node voltages and the current through each element.
Plot the fraction of ferrite, austenite, and cementite in equilibrium alloy containing (a) 0.6% C (b) 0.8% C and (c) 1.2% C as a function of temperature (25 C to 1400 C). What is the percentage of pearlite (eutectoid) in the above three cases at ro..
In actual system only 672 message channels are used. The additional pulses are used for other functions such as synchronization
A gas present in a cylinder fitted with a frictionless piston expands against a constant pressure of 1 atm from a volume of 2 liters to a volume of 6 liters. it absorbs 800 j heat from surroundigs .determine increase in internal energy of process.
For the design of internal-pressure cylindrical vessels, the API-ASME Code for Unified Pressure Vessels recommends the following equations for determining the minimum wall thickness when extreme operating pressures are not involved:
Calculate the ?S for the transfer of one mole of octane to water using the change in multiplicities assumed for the first shell of water molecules surrounding the molecules.
Estimate the cost of the steel for the spherical storage tank in the preceding problem if the steel sheet costs $0.25 per pound. On the basis of the data presented in Fig. 14-56, estimate the fraction of the purchased cost of the tank that is due ..
question 1a identify the components of a fire triangleb explain the condition required for combustion process to be
Determine the size of control valve to use for a normal design flow rate of 0.2 m3 /h if the valve is sized with a pressure drop of 1.25 bar.
Compute the power factor for zero voltage regulation on full load.
the paint formerly used on some storage tanks contained aluminum powder which reflected heat from the surface of the
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