Question

Q. 1. Write a detailed report on the nuclear disasters happened in Chernobyl (26th April 1986) and Fukushima (12th March 2011). (Report should contain the reasons for disaster, disaster management steps taken and after effects)

Answer 1

Chernobyl disoston The worst nuclear disoslari in History 100 times more modoochterty Thon Hiroshima Whene_is_chernobyl an Nonsherr Ulkraine lo miles away from Belarus 80 miles of kieu. NON What happened? Reactor #4 dest the was undergoing a best to backup -power supply in power loss Case The power fell too low, allowing the Xenon conce nanahon ruse un The workers continued the test and order control the_zuding levels of Xeron the control roda were pulsed out 135, experiment - which The the the and jwalue shulling down coolant pumps caused coolant rapidly heat up bail.

Skrillo Pocket of stoom formed on the coolent lines "When the coolent exponded this particular dog disigno power leul went on the All control Mods the were ordered do énserted As the Mods where inserted they become deformed and stuck The reaction could mot be stopped The nods melted and the stoom Pressure caused an explosion bew hale rool fire also resulted in the which A graphite explosion from the A save money the reactor was constructed with only parleal containment, which allowed the лоорја4 on to escape Reasons for the occided workers lock of knowledge of reactor physics . and Jack of expevance and Inoming engineering well

Insufficient Communication between the Safery officers and Operators in Chorges af Lexperimet. Disable all safety Systems Poon quality Long-term Impact International Spread of rockoostinity Radio octve rele are Residual radioochuity in the eruitione ment Soclo economical Ompoet Health effects recluce Exposure what has been done contaminated area a short The sonet and commonwealth y Independent stales (CH) aulnonites Introduced wide range and long-term enuinonmental Colinder measures to relegate the accidents negative consequences Restrictions

fwlu shi_ ma buclean disaster Kept the reador cool Pump brobe that down Tried Kalb for the day worse realtar coal Overhealed system eventually exploded Орел the months radiation spread thorough and sea Effects conce Impact on people 120000 people displaced Higher risk of Greelers 9) троса ovas phys psychological Political Impocks Impact on nature podieoclize podides were release Info the cast mosphene curd ocean contamination soil and ay ground water, Segwater.

Solutions - cores Cooling afler wene installed with automoled Suffer we Hain 3 montho the dieanker Wa Building from storms protected noinfall and heavy gas detecton mere New xenon installed filter than reduce the amaunt as contaminants escaping Into area and armasphere Cement foom Pacific that preventos Delling accidently Ocean contaminants Indo the

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