Water Supply and Sanitary

131) which of the following method of analysis of water distribution system is most suitable for long an narrow pipe system?

Discuss in Comment

equivalent pipe method

132) The commonly used material for water supply pipes, which has the properties of being strong, not easily corroded and long life but is heavy and brittle is

Discuss in Comment

cast iron

133) Disinfection efficiency is

Discuss in Comment

reduced at higher pH value of water

134) The percentage of chlorine in fresh bleaching powder is about

Discuss in Comment

30 to 35

135) Double filtration is used

Discuss in Comment

to increase the filtration capacity of slow sand filters

136) In water treatment, rapid gravity filters are adopted to remove

Discuss in Comment

bacteria and colloidal solids

137) Which of the following values of pH represents a stronger acid?

Discuss in Comment

2

138) The product of ions and OW ions in a stronger alkali is

Discuss in Comment

10 -14

139) Standard EDTA (ethylene diamine tetra acetic acid) solution is used to deterrnine

Discuss in Comment

hardness in water

140) The polluted water is one which

Discuss in Comment

consists of undesirable substances rendering it unfit for drinking and domestic

Subject Notes

→ Hydraulics → Structural Design-RCC → Irrigation Engineering → Highway Engineering → Engineering Survey → Water supply & sanitary → Soil Mechanics → Mechanics and structure → Construction Management → Building Construction → Estimating and Costing → Engineering Drawing → Building Material → Airport Engineering

Objective Box

→ Airport Engineering → Building Construction → Construction Management → Construction Materials → Engineering Drawing → Engineering Survey → Estimating and Costing → Highway Engineering → Fluid & Hydraulics → Soil Mechanics → Structural Design - RCC → Water Supply and Sanitary → Irrigation Engineering → Mechanics and Structure → Civil MCQ Set 1 → Civil MCQ Set 2 → Civil MCQ Set 3 → Civil MCQ Set 4

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