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Engineers Test Exam 11 > Book 29 Portable Monitor > Flashcards

Book 29 Portable Monitor Flashcards

1
Q

PM is comprised of a

A

Crossfire Upper Assembly, Stow a way 800 base, built in shut off, Master stream 1000 and tie down strap.

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2
Q

The inlet on the monitor consists of a

A

4” NH rocker lug swivel inlet.

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3
Q

Danger: ____ can cause portable monitors to slide or lift off of the ground which can result in injury or death.

A

low nozzle elevation.

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4
Q

Danger: to reduce the risk of instability, do not ______ with water flowing

A

attempt to move the monitor

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5
Q

Warning: Make sure the ____ are locked in position with ______ in contact with the ground

A

base legs / all leg spikes

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6
Q

Warning: Securely tie the monitor to an object capable of withstanding _____ of force.

A

900 lbs (400kg)

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7
Q

Crossfire upper assembly weights

A

17 pounds

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8
Q

Stow-a-way 800 base weights ____ including the integrated 4” in-line shutoff valve that weights _____

A

43.7 pounds / 23 pounds

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9
Q

The total weight of the PM is approximately

A

61 pounds

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10
Q

Automatic drain empties the water from a low point in the monitor piping to _____

A

prevent freezing and help empty hose lines.

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11
Q

The automatic drain valve is designed to close when the pressure in the monitor exceeds approximately

A

5 psi.

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12
Q

Crossfire upper assemble components

A

Carrying handle/ elevation pin stop/ automatic drain/ grease fitting/ Pressure gauge/ Elevation control/ Rotation lock/ Safety plunger/ Slide bar/ Pawls

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13
Q

Stow-a-way 800 base allows the monitor to be

A

positioned close the fire.

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14
Q

The legs are made of _______ and will _____

A

stainless spring steel and will flex when in use to compensate for small ground irregularities.

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15
Q

It is intended for maximum flows of

A

800 gpm

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16
Q

TFT has allowed LAFD to flow up to ____ as long as it is attached to a ____

A

1000 gpm / a loop of loaded 4” supply

17
Q

Stowaway 800 base components

A

inlet/ anchor strap & storage cover/ carrying handle/ anchor attachment point/ in line shutoff valve/ leg lock knob/ stainless steel leg.

18
Q

Quick connect swivel joint: a ____ engages in the slide bar to prevent accidental unlocking of the slide bar when under pressure

A

a safety plunger engages.

19
Q

Tie down strap: Is made of _____ and is ____ in length

A

nylon webbing and is 8 feet in length.

20
Q

Turn elevation hand wheel to make sure the elevation of the nozzle is above_____

A

35 degree safety stop.

21
Q

When the nozzle is at an angle of ____ the force acting sideways is equal to the force acting downward on the base.

A

45 degrees.

22
Q

At an angle of _____ (the angel at the elevation safety stop). Approx ____ of the nozzle reaction force is acting sideways on the base.

A

35 degrees / 82%

23
Q

Portable base leg spikes: The crossfire portable monitor has ____ on the legs and the base to resist sliding by digging in to the surface the monitor is sitting on .

A

5 or 6 tungsten carbide tipped spikes

24
Q

Replace any spike if the tip diameter exceeds

A

1/16” inch

25
Q

Secure portable monitor to a ____ with the tie down strap

A

10’ diameter loop of 4” hose

26
Q

Hose connection: Make he hose connection to the portable base and extend the hose straight back at least ____

A

10 feet.

27
Q

Before each use:

A

waterway is clear of obstructions, gaskets are in good repair, hose and nozzle are securely attached, all valves open and close fully and smoothly

28
Q

350 GPM?

A

105 PSI

29
Q

500 GPM?

A

110 PSI

30
Q

750 GPM?

A

115 PSI

31
Q

1000 GPM

A

125 PSI

32
Q

Master Stream 1000 is the ___ nozzle that is to be used with this appliance

A

ONLY

33
Q

Worm gear lubrication:

Turn the elevation handwheel to move the nozzle to its highest elevation and ______

A

pump grease (medium viscosity automotive) into the fitting in the worm gear housing until excess appears.

Engineers Test Exam 11 (11 decks)

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