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SETS 6000 EO8: Main Propulsion Turbines and Boilers Answers (Engine, Operational)

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Amount of questions: 24.

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Name the two (2) different lubrication oil circuits of a steam turbine?
The front bearing circuit / The rear bearing circuit.
The reduction gear oil / The turbine shaft bearing oil.
The bearing and gear oil circuit / The governor oil circuit.
The thrust bearing and shaft circuit / The front and governor circuit.
What kind of steam is feeding the astern turbine fitted on the same rotor as the LP turbine?
Question image
Steam from the main steam manifold via manoeuvring stand.
Exhaust steam from the high pressure turbine.
Reduced superheated steam via a pressure reducer.
Regenerated steam via resuperheater.
Why is a thrust bearing required on this turbine?
Question image
To absorb the forward thrust of the propeller.
To absorb the vibrations.
To counterbalance the labyrinth action.
To avoid the rotor shifting due to imbalance in steam pressure.
Which alarm and shut-down device is fitted on the thrust bearing assembly?
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The low lub oil flow alarm.
The steam pressure reducing alarm.
The axial clearance alarm.
The cooling water alarm.
What kind of shaft seals are used on this high pressure turbine?
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Mechanical seals.
Vacuum seals.
Counterbalancing seals.
Labyrinth seals.
What type of high pressure steam turbine is shown here?
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A Reaction turbine.
A Zoelly turbine.
A Curtis turbine.
A Zoelly turbine with prebolted Curtis wheel.
Serious tube leakage in the air ejector condenser assembly will cause:
Loss of vacuum.
Fouled nozzles.
Clogged steam strainers.
Faulty steam pressure.
Which part in this diagram is the high pressure turbine?
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No. 1.
No. 6.
No. 4.
No. 2.
Which part in this diagram is the low pressure turbine?
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No. 1.
No. 2.
No. 3.
No. 4.
What is part No. 3?
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Turbine coupling.
Turbine bearing.
Turbine drive gear train.
Turbine electromagnetic clutch.
Which way does the steam pass through the system?
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From the condensor to the low pressure turbine.
From the low pressure turbine to the high pressure turbine.
From the high pressure turbine to the low pressure turbine.
From the supply valve to the high pressure turbine.
Turbo alternators perform which of the following tasks?
Supplying electricity on a motorship.
Supplying electricity from diesel engines.
Supplying electricity on steamships when the main boiler is shut down.
Supplying electricity on steamships when the main boiler is operating.
On a steamship at sea electricity is supplied by:
Gas turbines.
Diesel engines.
The main engine.
Turbo alternators.
Which of the following statements regarding main boilers is NOT true?
The superheated steam pressure could be as much as 60 bar.
The burners could be at the top firing down.
At least two safety valves will be fitted.
The feed water need not be very pure.
Regarding feed water, which of the following statements is NOT true?
It is fresh water.
It is turned into steam in the boiler.
Steam turns to feed water in the condenser.
Feed water in HP boilers is normally pumped with a single stage centrifugal pump.
Boiler feed water is water:
Mixed with fuel oil and burnt as waste oil.
Taken from the condenser and fed back to the boiler.
Used to cool steam back into water.
Used to cool steam turbines.
In a modern steam turbine, steam is prevented from leaking along the shaft by:
The blading.
High temperature packing.
A labyrinth seal.
The inlet nozzle.
The condenser in a steam plant is where:
Steam is turned back into water.
Water is turned into steam.
Low pressure steam is produced.
Electricity is supplied.
Which of the following statements regarding steam turbines is NOT true?
The HP turbine is smaller than the LP turbine.
The HP turbine receives the steam before the LP turbine.
From the HP turbine the steam then goes to the condenser.
The HP turbine is a faster rotating machine than a diesel engine.
In a steam plant, the steam turns to water in:
The LP turbine.
The boiler.
The turbo-feed pump.
The condenser.
High pressure steam turbines are:
Larger than low pressure turbines.
Smaller than low pressure turbines.
Directly coupled to the propeller shaft.
Powered by feed water.
Modern high pressure boilers produce which of the following?
Feed water.
Superheated steam.
Saturated steam.
Fresh water for drinking.
Superheated steam is steam:
That is mixed with water vapour.
That has been condensed.
That has been heated until it is "dry".
That can be used for heating the accommodation.
Distilled water taken from the condenser and pumped back to the boiler is called:
condenser water.
evaporated water.
feed water.
fresh water.

Welcome to the website where you can pass online the Seafarer Evaluation Training System (SETS) test on «Main Propulsion Turbines and Boilers». Practice like this will help you as a marine specialist improve your knowledge with the help of online studying and appraisal practice. SETS based on practical information and marine specialists experience.

SETS tests developed for evaluating seaman basic knowledge by company “Naval Education Services” is an evaluating online-tool, used for revealing any professional preparation needed in specific fields of knowledge, defined by STCW Section A-V/1-2.

SETS tests have proven themselves as good tools for the selection and recruitment process, as well as advancing the level of knowledge of the current officers and crew.

Current test contains SETS questions in area «Main Propulsion Turbines and Boilers». Those questions can be used for competence verification specialist capable of preventing accidental situations related with transporting safety, or also for self-examination.

«Main Propulsion Turbines and Boilers» subject includes theoretical and practical information about advanced training for work on any type of vessel. The test comprehensively evaluates knowledge of steam turbine operational principles and boiler thermodynamics. A significant portion focuses on troubleshooting scenarios for common malfunctions in main propulsion plants. Candidates must demonstrate an understanding of boiler water treatment, combustion control and safety system management. Several questions require the analysis of system diagrams, including feedwater circuits and steam flow paths to the turbines. The examination assesses the ability to correctly sequence the startup and shutdown procedures for a marine boiler. Knowledge of emergency protocols for situations like a loss of vacuum or a boiler furnace flame failure is rigorously tested. Practical calculations, such as determining boiler efficiency or turbine specific steam consumption, form a key part of the assessment. Successfully passing this test verifies the competency required to operate and maintain propulsion machinery on any type of vessel.

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Verified by
Vladimir Filatov
Vladimir Filatov
Chief Officer
About

Senior Mate with 12+ years of experience in the international merchant marine.

  • Development and implementation of navigation and on-board safety plans.
  • Supervising the work of the crew and assisting the captain in managing the vessel.
  • Participation in training of junior crew, ensuring compliance with safety standards.

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November, 19, 2025 1238 0
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