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SGT Exam > Pump Manual > Flashcards

Pump Manual Flashcards

1
Q

How many inches of ‘Free Play’ are normal in the steering wheel of Apparatus?

A

2-3 inches

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2
Q

At what pressure is the governor set on apparatus air brake systems?

A

120psi

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3
Q

At what pressure will the low air indicator light come on in apparatus?

A

60 psi

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4
Q

What should the volt meter read on apparatus to indicate normal range?

A

13-14 volts

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5
Q

When engaging the PTO what mph should you expect to see on the speedometer?

A

10-15

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6
Q

If you are in charge of an Engine whose pump will not engage, what is NOT a likely reason?

A

Not enough water in the tank

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7
Q

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

A

Lift

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8
Q

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

A

Prime

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9
Q

A company has entered the second story of a building and is operating a 200’ 1 ½” line with a CVFSS nozzle, what is their engine pressure?

A

165 psi

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10
Q

1 inch x 1 inch column of water that is 2 feet high will exert how many pounds per square inch at its base?

A

.868

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11
Q

The rate of speed at which a liquid is moving in relation to some fixed point is known as what?

A

Velocity of flow

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12
Q

A pump in average good condition can cause enough vacuum so that atmospheric pressure can force water about how many feet?

A

26

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13
Q

What is the maximum layout of dual 3 inch lines when pumping the capacity of a 1250 gpm pump?

A

350 feet

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14
Q

What is the nozzle pressure and GPM for the foam eductor in the foam position?

A

Nozzle pressure = 200 psi, GPM = 95 gpm

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15
Q

The Friction loss for a monitor nozzle or wagon pipe is how many psi?

A

20

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16
Q

When preparing a pump for the draft operation, the transfer valve is placed in what position?

A

Volume

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17
Q

The total length of any hose line to be tested shall not exceed how many feet?

A

300

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18
Q

In the Air-Brake system on D.C.F.D. apparatus what is the maximum pressure that the governor is set at.?

A

120 psi

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19
Q

On D.C. Fire Department apparatus who is allowed to operate the “Emergency” Air for release of the Maxi-Brake Control.?

A

Fleet Maintenance

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20
Q

How often should the air tanks on apparatus be bled to remove all traces of moisture?

A

Daily

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21
Q

On Wet, Icy, or Snow covered roads the Jacobs Brake Control shall be in what position?

A

Off

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22
Q

In the packing glands on Department apparatus, how many drops per minute indicate that the proper amount of water is being allowed to enter the area for lubrication purposes?

A

10 to 20 drops

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23
Q

The impellers on the Halle pumps located on apparatus operate at what ratio?

A

2:1

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24
Q

What is the recommended method of relieving the heat from the pump housing on Department apparatus?

A

Tank-fill valve

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25
Q

When priming the pump how long should you pull the priming control while you are watching for a below-zero reading on the Master Intake gauge?

A

45 secs

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26
Q

This term expresses the rate of speed at which the liquid is moving in relation to some fixed point

A

Velocity of flow

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27
Q

Atmospheric pressure is reduced by how much for each 1000 feet of elevation above sea level?

A

.5 psi

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28
Q

A fire pump in excellent condition can cause enough vacuum so that atmospheric pressure can force water about how many feet?

A

28

29
Q

What is the maximum operating engine pressure?

A

300 psi

30
Q

In a metro standpipe system, up to how many minutes can it take for an exhauster take to fully expel the trapped air in the system?

A

5

31
Q

At how many psi is the relief valve supposed to be set?

A

160

32
Q

Which intake(s) are the most desirable for drafting?

A

The ones on the sides

33
Q

What is the maximum priming time?

A

45 seconds

34
Q

The low pressure indicator comes on at what pressure?

A

60 psi

35
Q

Some of the Fire and EMS Department’s apparatus have been equipped with a coolant recovery system. These devices consist of the standard cooling system, plus a 15 psi pressure cap, connected by a piece of flexible tubing to a coolant reservoir. Approximately how much antifreeze solution should the reservoir contain?

A

One quart

36
Q

The District of Columbia Fire and EMS Department pumping apparatus are equipped with Hale Midship Centrifugal Pumps. What capacity are these pumps?

A

1250 gpm
1500 gpm

37
Q

What is static pressure?

A

The pressure exerted by a motionless mass in equilibrium

37
Q

Hale centrifugal pumps are equipped with what type of priming pump?

A

Rotary vane positive displacement priming pump

38
Q

How much does one US Gallon of water weigh?

A

8.35 pounds

39
Q

A container having inside measurements of 12”x12”x12” (one cubic foot) filled with water weighs ____ pounds.

A

62.5

40
Q

Layers of liquid move at different speeds, starting with little or no movement where the liquid is in contact with the solid boundary, and achieving greater and greater velocities toward the center of the flowing stream. This is called:

A

the laminar effect.

41
Q

When taking Pitot reading, the opening of the Pitot tube should be held in the center of the stream, with the tube opening:

A

approximately ½ the diameter of the orifice being tested away from the face of the orifice.

42
Q

Engine pressure for combination sprinkler/standpipe systems is ____ psi until notified that a higher pressure is needed.

A

175

43
Q

When an eductor is placed in service, the pressure at the eductor should be ____ psi and the length of line from the eductor to the nozzle limited to ____ feet.

A

200, 200

44
Q

In the operation of a pumper from a hydrant the available water supply is considered as having been fully used when the intake gauge pressure drops to ____ psi.

A

5

45
Q

When testing fire hose in the DCFD the following NFPA Standard shall be followed:

A

1961

46
Q

When using a two-pump operation the supply company, until notified that a higher pressure is required, shall use ____ psi as the initial pressure. This pressure would be increased to ____ psi if pumping through a hydrant valve.

A

125, 150

47
Q

On apparatus equated with air brakes the air tanks should be bled to remove all traces of moisture:

A

At least daily

48
Q

Dynamic Pressure is defined as:

A

The pressure exerted by a body or mass in movement

49
Q

How far from the end coupling do you tie in a hose rope to secure it, while testing?

A

10-15 Inches

50
Q

What pressure do you fill your hose at, when checking for leaks prior to testing? And for how long do you wait?

A

45 psi and 5 min

51
Q

Mercury weighs how much more times than water?

A

13.546

52
Q

The transfer valve shall be placed in the pressure position if supplying under_____gpm.

A

500

53
Q

The DC FEMS Dept. when writing specifications for the purchase of pumping apparatus, requires the standard_____ hour acceptance test.

A

3

54
Q

Which intake is the most desirable, the least time required to prime, & most convenient, from an operating standpoint, when drafting?

A

The Officer’s side intake, opposite the pump panel

55
Q

When should service tests be performed on all pumping apparatus of the DCFD, in service or reserve, to determine their condition?

A

Annually & after any extensive repairs

56
Q

What is the correct GPM for the foam eductor ( foam position ) ?

A

95 GPM

57
Q

When operating the priming pump, increase engine speed to what RPM to assist the electrical load on the system?

A

1300 RPM

58
Q

According to the Order Book all pumping apparatus shall be tested how often?

A

At least once a year

59
Q

Normal atmospheric pressure at sea level is what?

A

14.7 psi

60
Q

What does the H stand for in hydraulics?

A

The H is for the head in feet

61
Q

Hard sleeve assembly shall be submerged at least:

A

18”

62
Q

What does the term pump “runs away from water means”?

A

Cavitations

63
Q

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

A

6” hard sleeve, 10’ long

64
Q

When operating the PTO wait between HOW MANY seconds between shifting from neutral to drive or 1-4?

A

3 to 5 seconds

65
Q

What does “PDM” stand for when referring to TPM Relief Valves?

A

Pressure Master Device

66
Q

What kind of braking systems do all new fire department apparatus have?

A

S-cam

67
Q

A pump in excellent condition has a maximum draft of ___ feet. A pump in good condition ___ feet.

A

28,26

SGT Exam (11 decks)

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