6 ) The rate of filteration in stone sand filter is. I
पत्थर रेत फिल्टर में फिल्टरेशन की दर है।
A) 0.1 to 0.4 m3/hr/m2 1 0.1 to 0.4 m/hr/m2
B) 0.5 to 0.8 m/hr/m2 1 0.5 to 0.8 m/hrl
m2
оооо
C) 1 to 4 m/hr/m2 | 1 to 4 m/hr/m2
D) 5 to 15 m/hr/m² 1 5 to 15 m/hr/m2
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6 ) The rate of filteration in stone sand filter is. I
पत्थर रेत फिल्टर में फिल्टरेशन की दर है।
A) 0.1 to 0.4 m3/hr/m2 1 0.1 to 0.4 m/hr/m2
B) 0.5 to 0.8 m/hr/m2 1 0.5 to 0.8 m/hrl
m2
оооо
C) 1 to 4 m/hr/m2 | 1 to 4 m/hr/m2
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