CHIEF ENGINEER Unit 13 Q1

1 / 11

Which of the following is NOT a goal of Continuous Class Machinery Surveys?

B) To catch issues before they become major problems

D) To reduce the need for a full survey at once

A) To ensure continuous compliance with class standards

C) To allow machinery to operate without maintenance for extended periods

2 / 11

What impact does poor weather have on fuel efficiency compared to sea trial data?

C) It has no effect on fuel efficiency

B) It decreases fuel efficiency due to added resistance and rougher seas

D) It only affects fuel efficiency in port

A) It increases fuel efficiency by allowing the vessel to sail faster

3 / 11

Which of the following operational issues can cause a vessel’s fuel efficiency to be less than its sea trials?

C) Efficient fuel mixing

D) Minimal cargo load

A) Precise course adjustments

B) Engine wear and reduced performance

4 / 11

How do Continuous Class Machinery Surveys benefit vessel operators?

D) They eliminate the need for machinery maintenance

A) They reduce the vessel’s overall operational time

B) They allow machinery inspections to be spread over time

C) They require less reporting to authorities

5 / 11

What effect does a clogged strainer have on a centrifugal pump’s output?

B) It restricts fluid flow, reducing output

C) It has no impact on the pump

A) It increases output by filtering more debris

D) It improves fluid velocity in the pump

6 / 11

How does hull fouling affect a vessel’s fuel efficiency?

C) It increases drag, requiring more fuel to maintain speed

A) It improves fuel efficiency by adding weight to the hull

D) It decreases drag, improving fuel efficiency

B) It has no impact on fuel efficiency

7 / 11

Which of the following factors can reduce the fuel efficiency of a vessel compared to sea trial data?

D) Updated navigation equipment

B) Reduced crew size

C) Favorable sea conditions

A) Increased vessel weight due to cargo

8 / 11

How does air entrainment affect the performance of a centrifugal pump?

A) It increases the pump's output

C) It causes cavitation, reducing pump efficiency

D) It improves the pump’s suction power

B) It has no effect on the pump

9 / 11

What is the primary purpose of Continuous Class Machinery Surveys?

C) To overhaul machinery only when breakdowns occur

D) To eliminate the need for annual surveys

A) To perform a one-time inspection of all machinery

B) To conduct regular, scheduled inspections to maintain class status

10 / 11

Which of the following defects can reduce the output of a centrifugal pump?

C) Reduced pressure at discharge

D) Increased water temperature

A) Low suction lift

B) Impeller damage or wear

11 / 11

What aspect of vessel machinery is covered under Continuous Class Machinery Surveys?

D) Bridge navigation systems

C) Non-essential interior equipment

B) Critical machinery and equipment necessary for vessel safety and operation

A) Only fuel systems

Your score is