A line was determined to be 95.25 m when measured with a 30 m steel tape supported throughout its length under a pull of 4kg at a mean temperature of 15°C. Tape used is of standard length at 20°C under a pull of 5 kg. Cross-sectional area of tape is 0.03 sq.cm. Coefficient of thermal expansion is 0.0000116/°C and E=2.10×106 kg(cm² ). The weight of the tape is 1 kg. What is the total distance correction due to temperature? ( Select ) meter What is the total distance correction due to tension? Select meter What is the total distance correction due to sag? Select ] meter What is the correct length? Pmeter

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Temperature Difference and Heat Transfer

Whenever there is a flow of heat flux resulting from a temperature gradient within the material or between two materials, there is heat transfer. Heat transfer primarily arises due to temperature differences between two bodies or within bodies. The term temperature gradient denotes temperature differences or variation of temperature due to change in some quantity. The fundamental use of the concept of temperature is found in the zeroth law of thermodynamics.