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A 30 m steel tape was standardized at 20°C and measurements of distances were taken at 15°C. if the coefficient of linear expansion α of the material of the tape were 0.000112 per °C, then error due to temperature per tape length would be

  • a)
    -0.00,00560 m

  • b)
    +0.00,00560 m

  • c)
    +0.00,16800 m

  • d)
    -0.00,16800 m

Correct answer is option 'A'. Can you explain this answer?
Verified Answer
A 30 m steel tape was standardized at 20°C and measurements of dis...
αΔT= 0.0000112(15-20)
= -0.0000560 m
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Most Upvoted Answer
A 30 m steel tape was standardized at 20°C and measurements of dis...
°C. If the tape is used at a temperature of 35°C and the distance measured is 500 m, what is the actual length of the measured distance?

The actual length of the measured distance can be calculated using the formula:

L_actual = L_standard x [1 + α(T_actual - T_standard)]

where:

L_standard = 30 m (standardized length)
T_standard = 20°C (standardization temperature)
T_actual = 35°C (actual temperature)
α = 11.7 x 10^-6 / °C (coefficient of thermal expansion for steel)

Substituting the values:

L_actual = 30 x [1 + 11.7 x 10^-6 x (35 - 20)]
L_actual = 30 x 1.000345
L_actual = 30.01 m

Therefore, the actual length of the measured distance is 30.01 m.
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A 30 m steel tape was standardized at 20°C and measurements of distances were taken at 15°C. if the coefficient of linear expansion α of the material of the tape were 0.000112 per °C, then error due to temperature per tape length would bea)-0.00,00560 mb)+0.00,00560 mc)+0.00,16800 md)-0.00,16800 mCorrect answer is option 'A'. Can you explain this answer?
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A 30 m steel tape was standardized at 20°C and measurements of distances were taken at 15°C. if the coefficient of linear expansion α of the material of the tape were 0.000112 per °C, then error due to temperature per tape length would bea)-0.00,00560 mb)+0.00,00560 mc)+0.00,16800 md)-0.00,16800 mCorrect answer is option 'A'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about A 30 m steel tape was standardized at 20°C and measurements of distances were taken at 15°C. if the coefficient of linear expansion α of the material of the tape were 0.000112 per °C, then error due to temperature per tape length would bea)-0.00,00560 mb)+0.00,00560 mc)+0.00,16800 md)-0.00,16800 mCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A 30 m steel tape was standardized at 20°C and measurements of distances were taken at 15°C. if the coefficient of linear expansion α of the material of the tape were 0.000112 per °C, then error due to temperature per tape length would bea)-0.00,00560 mb)+0.00,00560 mc)+0.00,16800 md)-0.00,16800 mCorrect answer is option 'A'. Can you explain this answer?.
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