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DEMO: Quiz

  
  

Question 1: High temperatures give the nuclei enough energy to overcome their ________.
Maxwell's equationsLorentz forceElectrostaticsElectric charge

Question 2: It is hoped that careful material choice will mean that the wastes produced in this way will have much shorter half lives than the waste from ________, with wastes remaining harmful for less than one century.
Nuclear reactor technologyPlutoniumNuclear powerUranium

Question 3: Whereas ITER's goal is to produce 500 million watts of ________ for at least 500 seconds, the goal of DEMO will be to produce at least four times that much fusion power on a continual basis.
Fusion powerPlutoniumAneutronic fusionNuclear fusion

Question 4: As a prototype commercial fusion reactor DEMO could make fusion energy (which does not have the problems associated with ________ or fission energy) available within 20 years.
Fossil fuelBiofuelCarbon taxCarbon sink

Question 5: This requires temperatures in the region of 100,000,000 °C, perhaps using energy from microwaves, ________ beams, or neutral beam injection.
ElectrolyteIonHalf cellLithium-ion battery

Question 6: While fusion reactors like ITER and DEMO will not produce transuranic wastes, some of the components of the ITER and DEMO reactors will become radioactive due to ________ impinging upon them.
AtomNeutronElectronProton

Question 7: The activation energy for fusion is very large because the ________ in each nucleus strongly repel one another; they are both positively charged.
NeutronQuarkProtonElectron

Question 8: DEMO (DEMOnstration Power Plant) is a proposed nuclear fusion power plant that is intended to build upon the expected success of the ________ (originally an acronym for International Thermonuclear Experimental Reactor) experimental nuclear fusion reactor.
ITERKSTARJoint European TorusFusion power

Question 9: To achieve its goals, DEMO must have ________ dimensions about 15% larger than ITER and a plasma density about 30% greater than ITER.
LinearDerivativeNonlinear systemVector space
















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