1) electricity is a primary or secondary source of energy a) primary b) secondary 2) in a nuclear reactor what is the name given to the process that releases the heat energy a) nuclear fission b) nuclear fusion c) chain reaction d) chemical reaction 3) what is fired into the uranium nucleus to release the heat a) electron b) proton c) neutron 4) does a nuclear power station release carbon dioxide gas? a) no b) yes 5) does a coal or gas power station release carbon dioxide a) yes b) no 6) which of the following half lives is the most dangerous? a) 1 minute b) 1 hour c) 1 day d) 100days a) a) 1 minute b) b) 1 hour c) c)1 day d) d) 100 days 7) what are the problems with nuclear power stations a) they do not release carbon dioxide gas b) they produce a lot of energy c) they are expensive to build d) they are cheap to decomission e) they produce radioactive waste 8) when is a radiation source classed as being safe a) after 100 years b) when it has lost half its orginal radiatioin c) when it has reached background levels d) never 9) what unit do we use to measure radiation a) amps b) coulumbs c) volts d) celsius e) sieverts 10) steam is used in a power station to turn a ? a) reactor b) turbine c) generator d) transformer

nuclear power station quiz

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