Term
| Saws or grinders underwater must have a |
|
Definition
|
|
Term
| Explosive actuating tools underwater can be used to: |
|
Definition
Provide an air connection to a vessel or container
Patch vessels for salvage
Attach a threaded Stud
Attach timber to steel |
|
|
Term
|
Definition
| A smaller hole made to allow a larger drill bit to cut properly and easily. |
|
|
Term
|
Definition
| Firmly to not allow it to go easily. |
|
|
Term
| When operating a breaker you should put your: |
|
Definition
| weight into the drill to be most effective. |
|
|
Term
| A grinding wheel can only be used underwater and on surface if: |
|
Definition
It is Non-Porris
OR If the wheel has been dried out and tagged. |
|
|
Term
| The same carbide cutter bits are suitable for all metals when using a die grinder: TorF |
|
Definition
| False (different bit for aluminium) |
|
|
Term
Small Piston has a 14cm Dia with 12lbs of Force and moves 5.5"
Large Piston has a 30cm dia.
Give the distance and pounds of force on the large piston. |
|
Definition
|
|
Term
| A device used to control the flow of hydraulic fluid: |
|
Definition
| Hydraulic flow control valve |
|
|
Term
| Oil compresses __.__% at 1000psi |
|
Definition
|
|
Term
| Oil compresses __.__% at 1000psi |
|
Definition
|
|
Term
|
Definition
| Holds pressure, awaiting demand from tools. Saves compressors starting up repeatedly. |
|
|
Term
| Hydraulic Tools use __" id hose |
|
Definition
|
|
Term
| Types of Hydraulic Pumps: |
|
Definition
Gear Pump
Axial Pump
Rotary Pump |
|
|
Term
|
Definition
low as 100rpm
4000-5000psi
90%-95% effeciency
Laid down to destroke. |
|
|
Term
| Gear and Rotary Pump features: |
|
Definition
2500-3000psi
80% deficiency
low as 500rpm |
|
|
Term
|
Definition
| Thickness, resistance to flow |
|
|
Term
|
Definition
| Temperature in which oil flashes to flame |
|
|
Term
|
Definition
| Temperature in which oil burns steadily |
|
|
Term
|
Definition
Guage for oil
Lower number = Lighter oil |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
| Spool Valve has 2 common positions. |
|
Definition
Open Center System
Closed Center System |
|
|
Term
| When is a closed center system used. |
|
Definition
| On a device running on a battery, saves energy. |
|
|
Term
| What does the open center system do? |
|
Definition
| Allows oil to run through the tool at all times, keeping it warm and ready for use. |
|
|
Term
|
Definition
Open Bottom Parachute Type
Enclosed Cylinder |
|
|
Term
| Open bottom type lift bag features: |
|
Definition
Restraining Line
Manual Dump Line. |
|
|
Term
| Enclosed bottom type lift bag features: |
|
Definition
Cylinder Type
Very Stable
Pressure Relief 2psi greater than over bottom pressure.
-Not for ascent pulls
-Best for shallow water. |
|
|
Term
|
Definition
Test dump valves
examine stitching and seems
Lift strap check
Test WLL |
|
|
Term
|
Definition
ensure air line has no kinks
secure bottom line
secure manual dump line
stay in a safe location
ensure umbilical are not across the load. |
|
|
Term
| Single wire braid psi rating |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
| Teflon core lines are meant for: |
|
Definition
|
|
Term
| High pressure hydraulic tools such as jacks and flange spreaders usually operate at what pressure? |
|
Definition
|
|
Term
| Best tool for under 15 feet of water used to remove a large quantity of bottom material would be: |
|
Definition
|
|
