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posted by  Shankumar on 8/14/2008 7:43:57 AM  |  status: Live  

Temperature Measurement

Course Textbook Chapter Problem
N/A Experimental methods of Engineers N/A N/A
Question Details:
Calculate the temperature error in a 2.3m measurement with a steel surveyor’s tape at -100C. When the tape is accurate at 400C. Assume the linear thermal co-efficient of contraction is 4.65 × 10 -6 /0C

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posted by bradely(SME Mechan on 8/14/2008 10:25:27 AM  |  status: Live
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Shankumar's comment:
"Thanks a Lot"
Response Details:
k=4.65*10-6/0C
L=2.3 m
Δt=40-(-10)=500C
temperature error,Et=kLΔt
Et=(4.65*10-6/0C)(2.3)(50)
    =5.35*10-4m
 
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