Pumps Chapter 4 pp 11-20 Flashcards
From the Pump Manual
Using fewer streams, using lower pressure, and using streams with smaller tips are all ways of ________ to the total amount of water taken?
Reducing
From the Pump Manual
What information is invaluable to the water supply officer?
static pressure, residual pressure, and quanity of water flowing
From the Pump Manual
When not discharging any water during a draft, one inch of mercury equalls how much lift?
approximately 1 foot
From the Pump Manual
During a draft, your suction gauge is reading high, what is the primary cause for this to happen?
denotes a stoppage( either strainer or hard sleeve resting on bottom)
From the Pump Manual
When pumping multiple line, the pump discharge shall be set for which line?
the line with the greatest pressure dictates the pump pressure
From the Pump Manual
If there is no increase of pump pressure with the increase of engine speed, this would indicate that the pump has reached?
capacity for that pumping situation
From the Pump Manual
What is the minimum intake pressure?
5 pounds
From the Pump Manual
Who should the operator notify when the hydrant or the pump has reached capacity?
the officer in charge of the line being supplied
From the Pump Manual
The water temperature gauge should be kept between what degrees when operating the pump?
160 degrees and 200 degrees
From the Pump Manual
You are operating on a box alarm when the operator notifies you that the engine is starting to overheat, as the OIC can you turn off the emergency response lights?
yes
From the Pump Manual
What may the pump operator use as an emergency substitute in the event the pressure gauge becomes inoperative?
The tachometer
From the Pump Manual
true or false The discharge gate can be closed before lowering the discharge pressure when shutting down.
False
From the Pump Manual
When shifting to neutral on the automatic transmission, the speedometer needle pointer should reach near zero(0) in how many seconds?
3 to 5 seconds
From the Pump Manual
When shall the centrifugal pump be drained?
when there is a danger of freezing
From the Pump Manual
By keeping water in the pump, the ________ will stay lubricated and prevent from drying out?
pump packings
