Which one of the following metals is alloyed with sodium to transfer heat in a nuclear reactor ?

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Q: 57 (NDA-I/2018)

Which one of the following metals is alloyed with sodium to transfer heat in a nuclear reactor ?

question_subject: 

Science

question_exam: 

NDA-I

stats: 

0,14,50,14,9,9,32

keywords: 

{'metals': [1, 2, 2, 7], 'nuclear reactor': [0, 1, 1, 1], 'magnesium': [1, 0, 2, 3], 'sodium': [10, 2, 12, 23], 'potassium': [1, 0, 0, 2], 'strontium': [0, 0, 2, 2], 'calcium': [2, 0, 0, 4], 'heat': [10, 3, 13, 46]}

The correct answer is option-1, Potassium. In a nuclear reactor, liquid sodium is used as a coolant to transfer heat away from the reactor core. To improve its heat transfer properties, sodium is often alloyed with other metals. One such metal is Potassium.

Option-2, Calcium, is not the correct answer. Calcium is not typically alloyed with sodium for heat transfer in a nuclear reactor.

Option-3, Magnesium, is also not the correct answer. While Magnesium is a commonly used metal in alloys, it is not specifically alloyed with sodium for heat transfer in a nuclear reactor.

Option-4, Strontium, is not the correct answer either. Strontium is not commonly alloyed with sodium for heat transfer in a nuclear reactor.

Therefore, the correct answer is indeed option-1, Potassium. It is alloyed with sodium to enhance its heat transfer properties in a nuclear reactor.