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The Rusk's own fairly large house near San Francisco and the following spreadsheet shows their month to month power use for two years.
1. What is their monthly average power use?
Extra point: Why do you think their use peaks twice a year?
2. Calculate the size of the solar PV system (kWh DC STC) they will need in order to have a zero dollar electricity bill annually (use an average over the two years). Assume that you are using 14.9% efficient panels with an 80% derating factor. Also assume that your inverter is 95% efficient. Use an average solar insolation of 5.5kW/day for their location.
3. Assume this system will be mounted on the roof. How big will the area of solar collector be? Is this a reasonable size for a house (i.e. are roofs actually this big)?
4. What is the AC, PTC per square meter for the system? Assume that the 80% derating factor gets you from DC, STC to DC, PTC.
Explain the Automation in Machining? The word "automatic" is derived from Greek and it means "self-moving or "self thinking". The word "automation" has been used to refer to a
Product Holon The product holon serves as the knowledge base for the manufacturing system. This can be portrayed like an information server to the other holons concerned in the
What are the types of Boundary Layer and what do you understand by separation of Boundary layer. Can you Derive Hagen Poiseulle formula. Aslo illustrate Reynold's No.
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why 4R kinematic chain do not form different mechanisms?
Dry Friction: Dry friction (also called as coulomb friction manifests when the contact surfaces are dry and there is tendency for the relative motion. Dry friction is fu
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Q. Design Storage compounds for bulk solids? Storage compounds for bulk solids, liquids and liquefied gases are normally included in a plant layout to provide short term storag
how to submit work online?
Find the maximum shear stress - stepped circular bar: A stepped circular bar ABC 4 m long fixed at one of the end 'A' is subjected to a torque of 10 kN-m. If the portion AB is
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