A Pump Is Used to Circulate SAE 10W Oil at 30

question 22

Multiple Choice

A pump is used to circulate SAE 10W oil at 30 ^$\circ$ C in an engine.What is the minimum pressure the pump must provide if it is to achieve a flow rate of 1L/s along a tube that is 1 m long with an inner diameter of 2 cm?

• A)1/8 atm
• B)1/4 atm
• C)1/2 atm
• D)3/4 atm
• E)1 atm

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