1. When the reduced level of the water source is higher than the reduced level of the consumer’s place, water is generally supplied _____.
[A] By gravitational system
[B] By pumping system
[C] Both
[D] None
Answer: Option A
2. Specific capacity or yield of wells, is generally expressed, as _____.
m^3/sec
m^3/hour/m^2/m
m^3/hour
m^3/hour/m^2
Answer: Option B
3. In pressure supply mains, water hammer pressure is reduced by providing
[A] Air valves
[B] Pressure relief valves
[C] Air valves
[D] All of the above
Answer: Option B
4. Turbidity of raw water is a measure of ______.
[A] Acidity of water
[B] B.O.D
[C] Suspended solids
[D] None
Answer: Option C
5. Surcharge storage zone of a reservoir is _____.
[A] Between dead storage and useful storage
[B] Also known as valley storage
[C] Below dead storage
[D] Above useful storage
Answer: Option D