CHP 21A

Water jetting at sea is totally impractical?

• Not true, pre-planning essential

• True

• Only on vessels with no fresh water

• Only on vessels with no power

Water jetting will get into all areas of a tank?

• No - pre-survey required

• Yes

• Only small tanks

• Only on wing tanks

Water jetting to confined spaces will create poor ________?

• Water fan

• Water flow

• Workmanship

• Visibility

What should be conducted to determine parameters of the contract?

• Quality test

• Labour requirements

• Initial survey

• Location of equipment

To assist with visibility, it is essential to have good ________ and ventilation?

• Heating

• Airflow

• Lighting

• Speed

Seawater can be used while water jetting at sea?

• Not true

• Only true on small jobs

• Only true with epoxy paint

• True

Skill and experience in water jetting operatives are essential for work at sea?

• Not true

• Only true for high standards

• True

• Only if instructed

Good programming of the works is essential?

• Yes

• Only if the contract is large

• No

• If the job is over 2 weeks

Working in confined spaces is ________ and ________?

• Light and noisy

• Dark and noisy

• Dark and quiet

• Light and quiet

The equipment must be in good working order?

• True

• Not true

• Only on big jobs

• Only on long sea runs