Pumps Appendix A & B Flashcards Preview

03. Pump Operating Procedure > Pumps Appendix A & B > Flashcards

Flashcards in Pumps Appendix A & B Deck (25)
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1
Q

From the pump manual:

What is “the sum of all pressures in a given area” known as?

A

Absolute Pressure

2
Q

From the pump manual:

The pressure exerted by a given head of water acating against the discharge effort of a pump is defined as:

A

Back Pressure

3
Q

From the pump manual:

What is an appliance designed to completely occlude an opening such as a pumper’s discharge outlet, pumper’s intake opening, or a hydrant opening?

A

Blind Cap

4
Q

From the pump manual:

What does the phrase pump “runs away from the water” mean?

A

Cavitation

5
Q

From the pump manual:

What is the action of taking water from a body of water that is open to atmospheric pressure and lies below the intake level of the pump.

A

Drafting

6
Q

From the pump manual:

Dynamic Pressure is defined as:

A

The pressure exerted by a body or mass in movement

7
Q

From the pump manual:

What is the resistance to motion of moving objects or surfaces that touch?

A

Friction Loss

8
Q

From the pump manual:

In the pump manual what is the meaning of head?

A

Vertical distance between two horizontal levels in a liquid is known as head.

9
Q

From the pump manual:

The height in feet that a pump is located above the surface of a body of water, as in a draft operation is?

A

Lift

10
Q

From the pump manual:

What are the dimensions of the “hard sleeves” carried on D.C. FEMS apparatus?

A

6” hard sleeve, 10’ long

11
Q

From the pump manual:

The act of removing air from a pump and replacing it with water is called?

A

Prime

12
Q

From the pump manual:

What is the meaning of relative pressure?

A

Pressure that is present in a given area not including atmospheric pressure (PSIG)

13
Q

From the pump manual:

What is static pressure?

A

The pressure exerted by a motionless mass in equilibrium

14
Q

From the pump manual:

In fire service work this word generally means an area which contains less than 14.7 pounds per square inch.

A

Vacuum

15
Q

From the pump manual:

What is the principle used in the design for eductors?

A

Venturi

16
Q

From the pump manual:

What is the term used to describe the movement of water through a pipeline or hose that is suddenly stopped, therefore creating a pressure wave that will travel back through the line?

A

Water Hammer

17
Q

From the pump manual:

Normal atmospheric pressure at sea level is:

A

14.7 psi

18
Q

From the pump manual:

Mercury is __________ times heavier than water.

A

13.546

19
Q

From the pump manual:

One foot of water head equals how may psi?

A

0.434

20
Q

From the pump manual:

What does one cubic foot of water equal?

A

7.481 US gallons

21
Q

From the pump manual:

How much does one US Gallon of water weigh?

A

8.35 pounds

22
Q

From the pump manual:

Thirty inches of mercury equals _____ feet of water.

A

33.9

23
Q

From the pump manual:

When in a TWO PUMP OPERATION a pressure of ___ psi or ___ shall be used by the pumper until notified of conditions that would require a higher or lower pressure.

A

125 and 150

24
Q

From the pump manual:

You are the wagon driver of E-1 that is supplying a ladder pipe flowing 1000 gpm with a calculated pump pressure of 210 psiand a 2 1/2” attack line flowing 210 gpm with a calculated pump perssure of 70 psi. Youwould be required toset your maximum pump pressure to ___psi and gate down the otherline(s) to ___psi.

A

210 and 70

25
Q

From the pump manual:

___psi is the standard coeficient used for a relay formula

A

20 psi