Chapter 10 Quiz Flashcards

1
Q

Most apparatus are designed so that the procedure for making the pump operational is performed entirely from

A

The cab of the vehicle

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2
Q

If a pump Is equipped with a ________ it can be open and set to circulator water back into the tank. This action provide some amount of cooling without wasting any water

A

Circulator bypass or booster cooling valve valve

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3
Q

What residual pressure should be maintained on the master intake gauge during prime in operations when operating from a pressurized supply source

A

20 psi

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4
Q

When the pumper is discharging water the intake gauge displays the

A

Residual pressure

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5
Q

There are a number of indicators that the pump is cavitating

A

The pressure gauge on the pump will fluctuate and hose streams may pulsate creating a distinctive popping or sputtering sound

The pump itself might make noises described as sounding like gravel passing through the pump

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6
Q

The entire priming action typically requires 10 to 15 seconds from start to finish. However when up to 20 feet of intake hose lifting a maximum of 10 feet it may take as long as 30 seconds 45 seconds and pumps larger than 1250gpm to accomplish this.

A

If a prime has not been achieved in this time. The prime in a temp should be stopped and the problem traced

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7
Q

The most common inability to prime is an _____ that prevents the primer from developing enough vacuum to successfully draft water

A

Air leak

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8
Q

Depending on the policies of a jurisdiction to suggest a discharge pressure maybe printed on a

A

FDC or contained in preincident planning information

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9
Q

However, if the draft is being established to supply water tenders for a shuttle operation, there may be several options.

A

Amount of water

Type or quality of water

Accessibility of water

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