Question 1 of 15

Which of the following statements is true regarding risk assessments?

• A risk is always a reason to postpone Hot Work.
• A risk assessment should be carried out by a single person, even when the whole team is available.
• Risks are measured in two categories, low and high.
• The purpose of a risk assessment is to recognise when a task, or part of a task, is too dangerous to proceed.

Question 2 of 15

Who has the right to stop unsafe work?

• The chief engineer only.
• The Master only.
• Anyone onboard.
• The fire watch only.

Question 3 of 15

Which of the following statements is true regarding designated hot work areas?

• The fire detection system in a designated Hot Work area must be equipped with a timer for switching off the system temporarily when the job is carried out.
• The designated Hot Work area should be equipped with clean clothes for the staff.
• Designated Hot Work areas should be equipped with a heat detector rather than a smoke detector.
• Hot Work within designated hot work areas never require a PTW.

Question 4 of 15

What is important regarding spare welding electrodes?

• They should be pre-heated before use.
• They should be bent to the right angle in order to reach the welding spot.
• They should be kept dry in their container until required for use.
• They should be easily accessible to avoid delay in the current work.

Question 5 of 15

Welding equipment must be checked thoroughly before each use unless it was inspected within the last week. Is this statement true or false?

• True
• False

Question 6 of 15

What information is important to give to a contractor before they commence hot work onboard?

• How to notify if an emergency should arise.
• How to use an ARC welder.
• Where closest fire-fighting equipment is located.
• How the vessel's emergency alarms sound like and where to go in case of an emergency.

Question 7 of 15

Who is supposed to prepare the permit to work (PTW)?

• Officer of the Watch (OOW).
• The Master.
• Person performing the work.
• Task supervisor.

Question 8 of 15

Which of the following statements is true regarding staff carrying out hot work?

• They must start as fire watch before moving on to any other position.
• They don’t have to consider the risk assessment.
• They should have at least 6 months training on a shipyard.
• They should be adequately trained.

Question 9 of 15

Is the ship permitted to have multiple hot work permits in force at one time?

• No, only one Hot Work operation is allowed at a time.
• Yes, if the vessel has the resources to carry out each Hot Work operation according to applicable regulations and procedures.
• Yes, but only if they occur in the same department.
• Yes, if all Hot Work operations are included into the same permit.

Question 10 of 15

Which of the following statements is true regarding respiratory hazards?

• If carrying a personal oxygen indicator, no atmosphere checks need to be carried out before entering the space.
• Rust can create an oxygen deficient atmosphere in an enclosed space.
• The presence of nitrogen in a tank should be determined by entering the first platform in the tank to smell and measure the oxygen level.
• You can detect the respiratory hazards as a thin fog in the air.

Question 11 of 15

How can voltage drop in transmission be avoided?

• By an appropriate cross-section.
• By using cables with low conductivity.
• By having cables with thicker insulation.
• By always having maximum length cables.

Question 12 of 15

What should you do if a backfire occurs?

• Close the fuel gas valve on the blowpipe and then immediately shut off the oxygen gas at the blowpipe valve.
• Close the fuel gas valve at the gas cylinder.
• Close the oxygen valve at the gas cylinder.
• Close the oxygen valve on the blowpipe and then immediately shut off the fuel gas at the blowpipe valve.

Question 13 of 15

After hot work is completed the fire watch may be required to be kept at the location for 30 minutes to ensure no fire breaks out. Is this statement true or false?

• False
• True

Question 14 of 15

What actions should be taken if you notice an increased temperature in a gas cylinder?

• Finish the weld before taking any action to seal the metal.
• Prolong the cooling of the cylinder by immersion or with copious amounts of water.
• Evacuate the area.
• Consider dumping the cylinder overboard.

Question 15 of 15

Which of the statements below is NOT true?

• Before carrying out Hot Work in an enclosed space, the surrounding spaces must be checked for flammable gases as well.
• A system of spot checks to ensure that permits are being followed should be in place.
• The purpose of a welding curtain is to protect persons nearby from the welding arc light.
• It is the responsibility of everyone onboard to follow the instructions in the PTW.