Book 29 Ch 9 Portable Monitor

Question 1

To protect against sliding: Securely tie the monitor to an object capable of withstanding ____ lbs (400 kg) of force

Answer 1

900

Question 2

The Crossfire Upper Assembly weighs ___ pounds

Answer 2

17

Question 3

Stow-A-Way 800 Base weighs ____ pounds

Answer 3

43.7

Question 4

Integrated 4” in-line shutoff valve that weighs ___ pounds Combined

Answer 4

23

Question 5

Total weight of the portable monitor is approximately ___ pounds.

Answer 5

61

Question 6

AUTOMATIC DRAIN - The valve is designed to close automatically when the pressure in the monitor exceeds approximately __ psi and open again when the pressure drops to that point.

Answer 6

5

Question 7

STOW-A-WAY 800 BASE - It is intended for maximum flows of ____ gpm

Answer 7

800

Question 8

STOW-A-WAY 800 BASE - Task Force Tips has allowed the LAFD to flow up to 1000 gpm with the portable base as long as it is __________ to a loop of loaded 4” supply hose

Answer 8

Attached

Question 9

Portable Monitor - TIE-DOWN STRAP - The strap is made of nylon webbing and is __ feet in length

Answer 9

8

Question 10

INSTALLING UPPER ASSEMBLY ON BASE - turn elevation hand-wheel to make sure the elevation of the nozzle is above the ___ degree safety stop

Answer 10

35

Question 11

ELEVATION CONTROL AND STOP PIN - At an angle of 35 degrees, (the angle at the elevation safety stop), approximately ___% of the nozzle reaction force is acting sideways on the base

Answer 11

82

Question 12

PORTABLE BASE LEG SPIKES - The Crossfire portable monitor has (__ or __) tungsten carbide tipped spikes on the legs and the base to resist sliding by digging into the surface the monitor is sitting on

Answer 12

5 or 6

Question 13

Spikes must be sharp to provide resistance to sliding. Replace any spike if the tip diameter exceeds _____ inch

Answer 13

1/16

Question 14

HOSE CONNECTION - Make the hose connection to the portable base and extend the hose straight back from the portable base at least ___ feet

Answer 14

10

Question 15

Monitor Friction Loss:
350 GPM ____
500 GPM ____
750 GPM ____
1000 GPM ____

Answer 15

105
110
115
125

Question 16

______ ______ Lubrication - Turn the elevation handwheel to move the nozzle to its highest elevation and pump grease (medium viscosity automotive) into the fitting in the worm gear housing until excess appears

Answer 16

Worm Gear

Question 17

The Cross-Fire Monitor shall be secured to the hose at what location?

Answer 17

First Coupling

Question 18

The Cross-Fire Monitor strap can be stored _____________ when not in use?

Answer 18

Inside the Monitor