UPSC General Studies Sample Paper General Studies Sample Paper-9

  • question_answer
    Consider the following statements with reference to Kudankulam nuclear plant.             
    1. The Light Water Reactor (LWR) is a type of thermal reactor that uses heavy water as its coolant an: neutron as moderator and a solid compound of fissile element as its fuel.                      
    2. The plant's reactor is the first Pressurised Water Reactor (PWR) belonging to the Light Water Reactor (LWR) category in India.                                                                        
    Which of the statements) given above is/are correct?                                      

    A)  Only 1             

    B)  Only 2  

    C)  Both 1 and 2                

    D)  Neither 1 nor 2     

    Correct Answer: B

    Solution :

    [b] The Light Water Reactor (LWR) is a type of thermal reactor that uses normal water, as opposed to heavy water, as its coolant and neutron moderator and a solid compound of fissile element as its fuel. Thermal reactors are the most common type of nuclear reactor and light water reactors are the most common type of thermal reactor. There are three varieties of light water reactors: the Pressurised Water Reactor (PWR), the Boiling Water Reactor (BWR) and (most designs of) the Supercritical Water Reactor (SCWR).


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