The value of Poisson's ratio for steel i...

The value of Poisson's ratio for steel is ……..

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`0.28` to `0.30`

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Explain Poisson's Ratio.

What is the temperature of the steel-copper junction is the steady state of the system shown in figure. Length of the steel rod = 15.0 cm, length of the copper rod = 10.0 cm, temperature of the furnace =300^(@)C , temperature of the other end =0^(@)C . The area of cross section of the steel rod is twice that of the copper rod. (Thermal conductivity of steel =50.2" Js"^(-1)m^(-1)K^(-1) , and copper =385" Js"^(-1)m^(-1)KJ^(-1) ).

What is the temperature of the steel - copper junction in the steady state of the system shown in Fig. Length of the steel rod = 15.0 cm, length of the copper rod = 10.0 cm, temperature of the furnace =400" "^(@)C , temperature of the other end =0" "^(@)C . The area of cross section of the steel rod is twice that of the copper rod. (Thermal conductivity of steel =50.2" J s"^(-1)m^(-1)K^(-1), and of copper =385" J s"^(-1)m-1" "K^(-1) ).

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The Young's modulus of steel is twice that of brass. Two wires of same length and of same area of cross section, one of steel and another of brass are suspended from the same roof. If we want the lower ends of the wires to be at the same level, then the weights added to the steel and brass wires must be in the ratio of:

KUMAR PRAKASHAN-MACHANICAL PROPERTIES OF SOLIDS -SECTION-C

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