Pump Operations and Hydraulics - Chapter 12 || with Errorless Solutions 100%.

Which of the following takes water from a hydrant or static source at the beginning of a relay operation? A: Relay Pumper. B: Primary Pumper. C: Fire Attack Pumper. D: Water Supply Pumper. correct answers D: Water Supply Pumper. Which of the following should be the pumper with the largest pumping capacity? A: Relay Pumper. B: Primary Pumper. C: Fire Attack Pumper. D: Water Supply Pumper. correct answers D: Water Supply Pumper. Which of the following receives water from the source pumper, raises the pressure, and supplies water to the next apparatus? A: Relay Pumper. B: Primary Pumper. C: Fire Attack Pumper. D: Water Supply Pumper. correct answers A: Relay Pumper. Which of the following can be done if the amount of flow through a relay operation needs to be increased? A: Transition to a different water source. B: Decrease the time spent on relay operations. C: Increase the time spent on relay operations. D: Increase the diameter of the supply hose or the number of hoselines. correct answers D: Increase the diameter of the supply hose or the number of hoselines. Centrifugal pumps are rater to pump at their maximum volume capacity at? A: 100 psi (700 kPa) at draft. B: 150 psi (1050 kPa) at draft. C: 250 psi (1750 kPa) at draft. D: 275 psi (1925 kPa) at draft. correct answers B: 150 psi (1050 kPa) at draft. When pumpers in the relay operation increase their pump discharge pressure...? A: Volume will always be increased.