Test Questions To Consider Flashcards
What is required for single valve operations?
- SERMC CO approval
- VESSEL CO approval
- Personnel in space briefed on SV
- SV Chit signed off
- E-7 or above on station in space
- Adequate comms, lighting, and dewatering.
- Dive side on station until double valve is restored.
When can you launch standby diver as a working diver?
- No-D 60 few or less
- Same job and location
- Free of hazards as determined by first diver on job site
- UWSH or UCT work only. No salvage.
- Standby diver can rend outside an enclosed or confined space as a tender
What is normal operating temp of hydraulic tools?
80° to 120°F never exceeding 140°F
How can you verify CD integrity?
Tightening j bolts
Hammering/expanding DC plug
Use 550 to check for leaks
Whitewater
Milk squirted around edges to look for leaks
What are the two types of catholic protection?
Sacrificial anodes
ICCP Impressed current cathodic protection
What are the 4 parts of ICCP
Anode
Reference cell
Stuffing tube
Dielectric shield
Two types of CPP bolts
HYDRAULIC TORQUE
MOREGRIP
Two ways rope guards are attached?
Bolted
Welded
Two ways rope guards are attached?
Bolted
Welded
How many masker emitter belts are on a DDG?
3 PORT side
3 STBD side
What material is used in SRD repairs?
B.F. Goodrich HP-2 Elastolock
How thick shall a CD be at a minimum?
3/8”
What’s a CD and what types are there?
Installed externally to ship/sub hull at or below waterline to secure and dewater an area
Plug
Patch
Dry Chamber
What size J-Bolts are authorized?
5/8” and 3/8”
What size J-Bolts are authorized?
5/8” and 3/8”
