collection work Quiz

What is the primary purpose of an intake structure?

• To store water

• To purify water

• To collect water from the source

• To distribute water to consumers

What is the maximum permissible head loss through a bar screen in a shore intake?

• 5 cm

• 10 cm

• 15 cm

• 20 cm

What is the inclined angle range for a bar screen in a shore intake?

• 30° - 60°

• 0° - 30°

• 90° - 120°

• 60° - 90°

Which factor does NOT affect the choice of type of intake structure?

• Water source dimensions

• Construction costs

• Water source pollution

• Water temperature

What is the purpose of intake conduits?

• To purify water

• To transmit raw water to the lift pump

• To distribute water to consumers

• To store water

What is the design flow formula for maximum flow in intake conduits?

• Qd (max) = 1.1 * Qmm

• Qd (max) = Qmin * 2

• Qd (max) = 1.1 * Qavg

• Qd (max) = Qavg / 2

What is the minimum number of pipes required in intake conduits?

• 1

• 4

• 2

• 3

What is the purpose of a raw lift pump (R.L.P)?

• To raise raw water to the treatment plant

• To store water

• To distribute water

• To purify water

What is the maximum number of pumps allowed in a system?

• 5

• 8

• 10

• 12

What is the formula to calculate friction losses through intake conduits?

• h f = fLV²/2g Ф

• h f = 10.675 *L* (Q/c)1.852 Ф-4.87

• h f = 0.1 * L

• h f = Q / (n*π*Ф²)