A tape 30 m long, 0.6 cm wide and 0.5 thick was used to measure a distance of 000 m at a temperature of 20°C with 120N tension force, mass of tape is 0.7 kg- determine coefficient of thermal expansion of a tape, if: X=? P-Po) (1000-999.75) = Po Standard tension = 50N Modulus of elasticity (E) = 210 kN/mm² 260x6 Standard temperature 35 °C S Correct measured distance = 999.75 m W²L гург 0125 = (120-5o) x 30x

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mm l
L-1000
A tape 30 m long, 0.6 cm wide and 0.5 mm thick was used to measure a distance of
1000 m at a temperature of 20°C with 120N tension force, mass of tape is 0.7 kg,
determine coefficient of thermal expansion of a tape, if:
Po
Standard tension 50N
Modulus of elasticity (E) = 210 kN/mm²
210x6²
Standard temperature 35 °C TS
Correct measured distance = 999.75 m
(1000-999.75)=(P-PO) XL
AE
W²L
гург
0125=(120-50) x 30x1²
(0.006 x00005) X2-
Transcribed Image Text:mm l L-1000 A tape 30 m long, 0.6 cm wide and 0.5 mm thick was used to measure a distance of 1000 m at a temperature of 20°C with 120N tension force, mass of tape is 0.7 kg, determine coefficient of thermal expansion of a tape, if: Po Standard tension 50N Modulus of elasticity (E) = 210 kN/mm² 210x6² Standard temperature 35 °C TS Correct measured distance = 999.75 m (1000-999.75)=(P-PO) XL AE W²L гург 0125=(120-50) x 30x1² (0.006 x00005) X2-
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