As per Indian standard 516 pace rate of C. T. M must be 140 kg/cm 2/minute. so what is meaning of this given below:
surface area of cube 15 cm dimension= 225 cm 2
so in one minute load applied on cube :140*225=31500 kg/minute
Than in one second it is : 31500/60=525 kg/second
one kilogram = 9.81 N (10 Newton)
so = 525*10= 5250 N/second
one newton= 0.001 kn
=5250*0.001=5.25 kn/second
If we use 10 cm cube than in this case surface area change and we calculate it will be come 2.33 kn/second.
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