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Mid-Year Theory Exam > Operating Pumps > Flashcards

Operating Pumps Flashcards

1
Q

What are the friction loss figures for FRV hoses?

A
  • 38mm is 220kpa @ 500lpm
  • 50mm is 220kpa @ 750lpm
  • 65mm is 55kpa @ 700lpm
  • 90mm is 5kpa @ 500lpm
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1
Q

What are the (5) friction loss rules?

DRISL

A

Diameter of hose
Roughness of hose interior
Independent of pressure
Square of the flow rate
Length of hose

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2
Q

What is the maximum operating pressure of the main pump?

A

1400 kPa

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3
Q

What is the maximum operating pressure of the 2nd stage/high pressure pump?

A

4000 kPa

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Mid-Year Theory Exam (10 decks)

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