3 मिमी त्रिज्या की पिघली हुई धातु की एक गोलाकार बूंद 12 सेकंड में जम जाती है। 7 मिमी त्रिज्या की एक समरूप बूंद ________ जम जाएगी:

This question was previously asked in
HPCL Engineer Mechanical 04 Nov 2022 Official Paper (Shift 2)
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  1. 61.74 सेकंड में 
  2. 28 सेकंड में 
  3. 65.33 सेकंड में 
  4. 63.22 सेकंड में 

Answer (Detailed Solution Below)

Option 3 : 65.33 सेकंड में 
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