The maximum permissible colour for domestic supplies based on cobalt scale, is

Related MCQs

• The maximum permissible hardness for public supplies is
• The maximum permissible nitrites in public water supplies, is
• Maximum threshold number permitted for indicating the odour of public water supplies, is
• Maximum permissible velocity 1.5 m/sec, is adopted in drains
• The dilution ratio at which the odour is hardly detectable is generally called threshold odour number and for public supplies it should not exceed
• If d is the diameter of the pipe, p is the total internal pressure, f is the permissible tensile stress and n is the effective of the joint, the thickness t of metal pipe, is
• The average domestic consumption under normal conditions in an Indian city per day per person, is
• As per IS : 1172-1963, water required per head per day for average domestic purposes, is
• For detecting the nitrates in sewage, the colour may be developed by adding
• If q is the average sewage flow from a city of population P, the maximum sewage flow