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Posted By: Joshy Varghese       Member Level: Bronze       Posted Date: 09 May 2007       Category: Aptitude Test

Everyday science

Why platinum wire is used inside a very narrow glass roads
Select Answer:

Platinum expands very little compared to glass
Platinum and glass have the same linear coefficiencies of expansion
glass is a bad conductor of heat
platinum does not melt at low temperature




      
Your Test Score: 0 / 0



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