SSC JE Mechanical Engineering 2014 Set 2 Paper

Question : 140 of 200

Marks: +1, -0

In a 1 = 100 scale model of a harbour, time which corresponds to the prototype tidal period of 12 Hrs will be in Hr:

Solution:

Given

L_\r= 1 : 100

T_P = 12

hrs
using froude scale law

T_\r=T_\m/T_P=√L_r

√{1/100}

T_m=T_P/√100=1.2

hrs

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