1. Pumps operating is series boost the discharge, whereas pumps operating in parallel boost the head
2. Pumps operating in parallel boost the discharge, whereas pumps operating in series boost the head
3. In both cases there would be a boost in discharge only
4. In both case there would be a boost in head only
Pumps operating in parallel boost the discharge, whereas pumps operating in series boost the head
1. Ratio of heat and vapour diffusivities
2. Proportionality constant between vapour heat flux and sensible ehat flux
3. Ratio of actual evaportranspiration and potential evaportranspiration
4. Proportionality constant between heat energy used up in evaporation and the bulk radiation from a water body
Proportionality constant between heat energy used up in evaporation and the bulk radiation from a water body
1. Microscopic examination
2. Plate count of heterotrophic bacteria
3. Coliform MPN test
4. Identification of all pathogens
Coliform MPN test
1. r
2. πr/4
3. r/2
4. 0379 r
πr/4
1. Alzheimer’s disease
2. Mottling of teeth and embrittlement of bones
3. Methemoglobinemia
4. Skin cancer
Mottling of teeth and embrittlement of bones
1. immediately before chlorination
2. immediately after chlorination
3. after rapid sand filtration
4. before rapid sand filtration
before rapid sand filtration
1. alga-bacterial symbols
2. algal photosynthesis only
3. bacterial oxidation only
4. chemical oxidation only
algal photosynthesis only
1. device for distributing septic tank effluent to a soil absorption system
2. device for preventing overflow from elevated water storage tank
3. device for preventing crown corrosion of sewer
4. section of sewer which is dropped below the hydraulic grade line in order to avoid an obstacle
section of sewer which is dropped below the hydraulic grade line in order to avoid an obstacle
1. 1.00 m/s
2. 2.13 m/s
3. 3.13 m/s
4. 5.26 m/s
1.00 m/s
1. maximum hourly demand
2. Average hourly demand
3. maximum daily demand and fire demand
4. average daily demand and fire demand
maximum daily demand and fire demand