CHIEF ENGINEER Unit 12 Classification Flashcards

CHIEF ENGINEER Unit 12 Classification

How does ultrasonic testing determine the thickness of a steel hull?

A) By reflecting sound waves off the opposite side of the material

Over what period are inspections typically spread out in a continuous hull survey?

B) 5 years

Why might a Classification Society be asked to conduct a survey?

A) To ensure compliance with international safety standards

How does a Classification Society ensure the structural integrity of a vessel?

B) By conducting regular surveys and inspections

During a special hull survey, which of these areas would likely be examined?

A) Main deck structural supports

Why is the inspection of compressors included in a continuous survey of machinery?

B) Compressors are essential for various mechanical functions and maintaining air pressure in systems

Why is ultrasonic testing preferred for measuring hull thickness?

A) It is fast, accurate, and non-destructive

What specific aspect of a new vessel’s construction would a Classification Society likely inspect?

B) The welding of hull plates

Which of the following is commonly inspected during a continuous survey of machinery?

B) Main engine

Which tool is used to measure the steel hull thickness using a physical indentation method?

B) Micrometer

Which of the following certificates is issued by a Classification Society?

B) Classification Certificate

What is an advantage of using ultrasonic testing over micrometers for hull thickness?

 

B) Micrometers are limited to accessible areas only

What is the typical interval for docking surveys for a vessel less than 15 years old?

B) Every 2 years

Why is it necessary for a Classification Society to review the vessel’s design plans before construction?

A) To ensure they meet class standards and specifications

How does a continuous hull survey differ from a special hull survey?

B) It involves scheduled inspections over time instead of a single comprehensive inspection

Which of the following systems related to hull stability is inspected during a dry dock classification survey?

B) Ballast tanks

Why are sea trials essential before a Class Certificate can be issued?

B) To confirm the vessel's stability, performance, and maneuverability

Which of the following is an advantage of a continuous hull survey?

B) It reduces operational downtime by spacing out inspections

Which of these systems, essential for fuel handling, would be included in a continuous survey?

A) Fuel transfer pumps

Which safety component is inspected on the hull during a dry dock survey?

B) Bilge keels

Which of the following is included in a special hull survey inspection?

A) Hull plating and weld seams

What is the purpose of inspecting ballast tanks during a special hull survey?

C) To check for corrosion and structural integrity

Which of the following is true about the scope of a Special Survey?

B) It is a thorough inspection that may require disassembly of parts of the structure and machinery

What does the issuance of a Class Certificate signify?

B) The vessel has met specific standards for structural integrity and safety

How often must a Class Certificate typically be renewed through periodic inspections?

B) Every 5 years, with annual surveys

What happens if a vessel fails a docking survey?

B) It must undergo repairs and be re-inspected

Over what period does the continuous survey of machinery typically take place?

C) 5 years

Which of the following items would be inspected during a special hull survey?

B) Cargo hold bulkheads

Which of the following is typically reviewed during an Annual Survey?

B) Key machinery, safety equipment, and hull condition

Which of the following areas is checked for leaks and structural integrity during a dry dock survey?

B) Sea chest and associated valves

What is the primary role of a Classification Society?

C) To set and enforce safety and structural standards for vessels

What is the first step a Classification Society takes in ensuring a new vessel is built to class rules?

B) Reviewing and approving the design plans

What aspect of the vessel is primarily inspected during a docking survey?

B) Underwater hull and associated equipment

Which of the following is typically the final step before a Classification Society issues a class certificate?

C) Sea trials and final inspection

Which underwater component is likely to be inspected during a classification survey in dry dock?

B) Propeller and shaft

How often is a Docking Survey typically required?

C) At intervals specified by the Classification Society, usually every 2 to 3 years

During a dry dock survey, what part of the vessel would be examined to check for possible water ingress and corrosion?

B) Rudder and associated fittings

Which underwater component is commonly inspected during a special hull survey?

B) Rudder and propeller

How does a continuous survey of machinery benefit vessel operations?

A) It minimizes the vessel’s time out of service by spreading inspections

For a vessel under 15 years of age, what is the maximum period allowed between two consecutive docking surveys?

B) 2 years

Why is a Special Survey more comprehensive than other surveys?

B) It ensures that the vessel meets the high safety standards for the next 5-year classification period

Which piece of machinery involved in electrical power generation is included in a continuous survey?

B) Auxiliary generator

Which of the following is NOT a responsibility of a Classification Society?

C) Hiring crew members

What is the primary focus of a Docking Survey conducted by a Classification Society?

B) To inspect the underwater portions of the hull and associated fittings

Which of the following is a key component inspected during a Docking Survey?

B) The condition of the hull below the waterline

What part of the anchoring system is inspected during a dry dock classification survey?

B) Anchor and anchor chain

What is the primary purpose of an Annual Survey conducted by a Classification Society?

B) To check key areas of the vessel’s structure and machinery to ensure continued compliance with classification rules

What is the primary purpose of a continuous hull survey?

B) To distribute hull inspections over a period, avoiding extensive downtimes

Which of the following machinery used in the vessel’s cooling systems is part of the continuous survey?

B) Freshwater cooling system pumps

Which auxiliary machinery would likely be inspected as part of a continuous survey?

A) Steering gear

Which of the following methods is commonly used to determine the thickness of a steel hull?

A) Ultrasonic testing

What is the primary purpose of a continuous survey of machinery on a vessel?

C) To systematically inspect machinery over time, spreading inspections across the survey cycle

Which of the following best describes the inspection frequency under a continuous survey of machinery?

B) Selected machinery is inspected periodically, completing the cycle over 5 years

What would likely be inspected during a continuous hull survey to check for corrosion?

B) Hull plating and welds

What external part of the hull is typically inspected for signs of biofouling during a dry dock survey?

B) Hull surface below the waterline

Which of the following activities does a Classification Society typically perform during the construction phase of a new vessel?

B) Conducting regular inspections of construction progress

Which of the following is a condition for a new vessel to receive a Class Certificate?

B) It must pass all inspections and meet design criteria set by the Classification Society

What role does a Classification Society play in the selection of materials used for the vessel’s construction?

A) It specifies and approves materials to meet class standards

What is the main purpose of a Special Survey?

B) To perform an in-depth examination of the vessel’s entire structure and systems every 5 years

Why must an Annual Survey be carried out every year?

B) To identify and address any wear, corrosion, or deterioration in critical parts of the vessel

Why are docking surveys required for vessels less than 15 years old at specified intervals?

A) To ensure operational readiness and structural integrity
1 / 61