What must be swept area and size of rotor
Let the 3-MW wind turbine operating at wind speed of 15m/s. Its golobal efficiency (turbine, gearbox, and generator) is assumed to be 30%. what must be swept area and size of rotor?
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How many seven topping pizzas can be created which comprise at most, 2 different meat toppings? Suppose each pizza uses seven different choices for toppings.
Determine how many J of heat necessary to raise the temperature of a 1.05 kg block of iron from the 25.0 C(Celsius) to 88.5 C (Celsius) where the specific heat of iron metal is 0.450J/g-K.
Explain why does methyl benzoate dissolve in the concentrated sulfuric acid? Write down an equation showing the ions that are formed.
What useful applications can you suggest for the effect when the super conductivity is a phenomenon found at the low temperatures where certain materials lose all resistance to an electric current?
Complete neutralization of a sample of antacid containing only aluminum hydroxide and magnesium hydroxide required 48.5 mL of 0.187 M HCl. The chloride salts from this neutralization were obtained by the evaporation of the filtrate from the titrat
When 0.5132g of NaNO2 is allowed to react with an excess of sulfamic acid solution, the volume of N2 (g) formed is the 176 mL. The temperature of water is 26.0 deg C and that of the gas is 23.8 deg C after the reaction is complete.
Consider the political discussion group consisting of 5 Democrats, 6 Republicans and 7 Independents. Assume that two group members are randomly chosen, in succession, to attend the political convention. Determine the probability of selecting an In
Suppose that there gas-fired plant backup in case where there is no wind evaluate amount of gas required and CO2 emissions assuming 50% efficiency.
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