1. Civil Engineering
  2. Environmental Engineering
  3. The permissible hardness of water for lo...
Q.

The permissible hardness of water for low pressure boiler is

A. 150 mg/litre
B. 50 mg/litre
C. 350 kg/litre
D. 250 mg/litre
E. 450 mg/litre
Answer» B. 50 mg/litre
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