Answer Posted / sathish

IS code 383 Reference

Maximum allowed for 3% in wet sieve analysis method

75 micron sieve ..used

example
wet sand samle oven heat by process
Then Dry sand 500 gms
IS sieved 75 micron
same value reduce 478
= 500-478 =22
=22/478*100
=4.60%

find the discharge of water through a horizental venturimeter having 400mm dia at the inlet main and 150mm dia at thorat.if the diffrential gauge between inlet and thorat shows a pressure head of 25cm mercury. assume coefficient discharge 0.98 and specfic gravity of mercury as 13.6.

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