UPPSC • Prelims • 2025 • GS Paper I
Attempt the actual previous-year questions first. Official answer, analysis and elimination clue appear only after final submission.
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Question 36
UPPSCScience & Technology2025GS-ISeries A
Subject / विषय: Science & Technology
Assertion (A): Generally an alloy of lead and tin is used as a material of fuse wire.
Reason (R): Alloy of lead and tin has a higher melting point than copper and aluminium.
अभिकथन (A): सामान्यतः फ्यूज तार के लिए सीसा और टिन की मिश्रधातु का उपयोग किया जाता है।
कारण (R): सीसा-टिन मिश्रधातु का गलनांक ताँबा और एल्युमिनियम से अधिक होता है।
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Author / EditorGoldej Kumar
Goldej Kumar is the Founder and Editor of Sri Ram Exams (Exam2.in), an independent educational platform for UPSC, State Public Service Commission, SSC and other competitive examinations. His editorial focus is on exam-relevant current affairs, source-based analysis, MCQ reasoning, previous-year-question patterns and clear bilingual learning for English- and Hindi-medium aspirants.