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Social & Preventive Medicine Environment and Health 8a0d9c0e

Horrock's appar is used for-

A
Wind velocity
B
Chlorine demand
C
Water contamination
D
Coliform count
High-Yield Explanation
Ans. is 'b' i.e., Chlorine demand InstrumentUtilityHorrocks ApparatusChlorinator/ ChloronomeChloroscopeChlorine demand estimationMixing or regulating dose of chlorineMeasuring residual level of chlorine
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