The maximum permissible nitrites in public water supplies, is

Related MCQs

• The maximum permissible hardness for public supplies is
• The maximum permissible colour for domestic supplies based on cobalt scale, is
• Maximum threshold number permitted for indicating the odour of public water supplies, is
• The dilution ratio at which the odour is hardly detectable is generally called threshold odour number and for public supplies it should not exceed
• Maximum permissible velocity 1.5 m/sec, is adopted in drains
• Hard water for public water supply is discarded because
• If V is total consumption of water in litres for a population of N individuals, per capita consumption or water allowance for the water supply Q, is given by
• 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 best process of disinfection of public water supply, is by
• For maximum alkalinity of water, pH value should be