Exam (elaborations)
D/O PUMPER CDC Operations
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D/O PUMPER CDC Operations
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D/O PUMPER CDC OPERATIONSQUESTIONS & 100% VERIFIED
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Definition vof vLift v- vThe vvertical vdistance vfrom vthe vsurface vof vthe vwater vto vthe vmiddle vof vthe vintake.
Number vof vgallons vper vcubic vfoot v- v7.5 vGallons/ vfoot³
Formula vto vfind vthe vcapacity vof va vcircular vshaped vpool v- v7.5 vx vPi vx vr² vx vD
It vis vimportant vto vmonitor vthe vwater vlevel vin vthe vonboard vtank vbecause vwhat? v- vYou vneed vto vknow
vif vthe vincident vrequires vadditional vwater vbefore vthe vtank vis vempty.
For va vpumper vto vreach vit's vrated vcapacity vusing va vtraditional vstrainer, vit vis vdesirable vfor vit vto vhave
vhow vmany vinches vall varound vthe vstrainer? v- v24 vInches
The vdesign vof vany vrelay vpumping voperation vis vdriven vmainly vby vwhat? v- vThe vdesired vflow vat vthe
vfire vscene.
One vof vthe vgreatest vdangers vinvolved vin va vtandem vpumping voperation vis vto: v- vExceed vthe vrated
vpressure vof vthe vhose vor vpump.
When vshutting vdown va vconstant vpressure vrelay, vits vimportant vto: v- vStart vwith vthe vattack vpumper,
vand vwork vbackward vto vthe vsource vpumper.
The vmajor vadvantage vof va vreverse vlay vis vthat vit: v- vPermits vthe vpumper vto vboost vthe vhydrant
vpressure veasily. Definition of Lift - The vertical distance from the surface of the water to the middle of
the intake.
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