Pumped storage generally will enable a utility to ___ A. increase their electric

ID: 529574 • Letter: P

Question

Pumped storage generally will enable a utility to ___ A. increase their electrical potential energy B. increase the efficiency of their electrical generating system C. raise electrons to higher energy states D. store energy until the demand is high enough Solar energy is quite compatible for a major part of the United States because our major energy needs are for ___ energy. A. chemical B. kinetic C. potential D. mechanical E. thermal If constant non-zero force is applied to an object, its velocity will certainly ___, A. be constant B. change C. stop D. be zero E. equal its acceleration Which of the following would not be considered a fissile nuclear fuel? Check all that apply. A. A fuel that can generate fertile material after bombardment with high energy neutrons. B. A fuel that can generate fertile material after bombardment with low energy neutrons. C. A fuel that can perpetuate a nuclear reaction with bombardment by high energy neutrons. D. A fuel that can perpetuate a nuclear reaction with bombardment by low energy neutrons. E. A fuel that can perpetuate a nuclear reaction with bombardment by neutrons. Which of the following energy sources are a result of a change in the electron structure of matter. Check all that apply. A. Fission B. Wind C. Geothermal D. Coal E. Petroleum

Explanation / Answer

Question 39

Pumped storage generally will enable a utility to

store energy until the demand is high enough----answer

Question 40

Solar energy is quite compatible for a major part of the U.S. because our major energy needs are for ______ energy

electrical -------answer

appropriate option is missing

Question 41

If a constant non zero force applied to an object , its velocity will certainly be

change-------answer

Question 42

which of the following would be not considered a fissile nuclear fuel

a fuel that can perpetuate a nuclear reaction with bombardment by low energy neutrons-answer

Question 43

Which of the following energy source are result of change in the electron structure of matter

Fission -answer

Atomic parting is the part of a substantial core into two lighter ones. Parting was found in 1938 by the German researchers Otto Hahn, Lise Meitner, and Fritz Strassmann, who assaulted an example of uranium with neutrons trying to create new components with Z > 92. They watched that lighter components, for example, barium (Z = 56) were shaped amid the response, and they understood that such items needed to begin from the neutron-actuated parting of uranium-235:

235 92U+10n141 56 Ba+92 36Kr+31 0n

2235U+01n56141Ba+3692Kr+301n

This theory was affirmed by identifying the krypton-92 splitting item. As examined in Section 20.2, the core as a rule separates lopsidedly as opposed to into two equivalent amounts of, and the splitting of a given nuclide does not give similar items unfailingly. In a run of the mill atomic splitting response, more than one neutron is discharged by each separating core. At the point when these neutrons slam into and incite splitting in other neighboring cores, a self-managing arrangement of atomic parting responses known as an atomic chain response can come about). For instance, the parting of 235U discharges a few neutrons for every splitting occasion. On the off chance that consumed by other 235U cores, those neutrons incite extra parting occasions, and the rate of the splitting response increments geometrically. Every arrangement of occasions is known as an era. Tentatively, it is found that some base mass of a fissile isotope is required to maintain an atomic chain response; if the mass is too low, excessively numerous neutrons can escape without being caught and prompting a parting response. The base mass fit for supporting managed splitting is known as the minimum amount. This sum relies on upon the immaculateness of the material and the state of the mass, which compares to the measure of surface zone accessible from which neutrons can get away, and on the personality of the isotope. On the off chance that the mass of the fissile isotope is more noteworthy than the minimum amount, then under the correct conditions, the subsequent supercritical mass can discharge vitality dangerously. The colossal vitality discharged from atomic chain responses is in charge of the enormous annihilation created by the explosion of atomic weapons, for example, parting bombs, yet it additionally frames the premise of the atomic power industry.

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Sunlight based vitality is brilliant light and warmth from the Sun that is outfit utilizing a scope of constantly advancing advancements, for example, sun oriented warming, photovoltaics, sun based warm vitality, sun based engineering, liquid salt power plants and counterfeit photosynthesis.It is a vital wellspring of sustainable power source and its innovations are extensively portrayed as either aloof sun based or dynamic sun based relying upon how they catch and appropriate sun powered vitality or change over it into sun oriented power. Dynamic sunlight based strategies incorporate the utilization of photovoltaic frameworks, concentrated sun powered power and sun powered water warming to outfit the vitality. Aloof sun based procedures incorporate situating a working to the Sun, choosing materials with good warm mass or light-scattering properties, and outlining spaces that normally circle air