Engine Category > EO8-Main Propulsion Turbines and Boilers

Choose a question set and start learning or take an exam.

Engine Category > EO8-Main Propulsion Turbines and Boilers
7 questions
Search

About this collection

Videotel questions are grouped by professional topic, including machinery, electrical equipment, fuel and ballast operations. Choose a subject relevant to your preparation.

“Видеотел — Engine Category > EO8-Main Propulsion Turbines and Boilers” contains 7 questions across 1 collection.

Learning

Learning mode has no timer. After answering, you see feedback and the correct options. You can return to a question and repeat a topic.

Exam

A practice exam lasts up to 60 minutes and includes up to 50 questions from the selected collection. Correct answers and results appear after completion.

Sample questions and answers

These examples come from the published collection. Choose Learning to study questions in sequence, or Exam to check your knowledge.

What is part No. 3 ?

One correct answer

1) Turbine coupling.
2) Turbine bearing.
3) Turbine drive gear train.✓ Correct answer
4) Turbine electromagnetic clutch.

Why is a thrust bearing required on this turbine ?

One correct answer

1) To absorb the forward thrust of the propeller.
2) To absorb the vibrations.
3) To counterbalance the labyrinth action.
4) To avoid the rotor shifting due to imbalance in steam pressure.✓ Correct answer

What type of high pressure steam turbine is shown here ?

One correct answer

1) A Reaction turbine.
2) A Zoelly turbine.
3) A Curtis turbine.
4) A Zoelly turbine with prebolted Curtis wheel.✓ Correct answer

What kind of steam is feeding the astern turbine fitted on the same rotor as the LP turbine?

One correct answer

1) Steam from the main steam manifold via manoeuvring stand.✓ Correct answer
2) Exhaust steam from the high pressure turbine.
3) Reduced superheated steam via a pressure reducer.
4) Regenerated steam via resuperheater.

Which way does the steam pass through the system ?

One correct answer

1) From the condensor to the low pressure turbine.
2) From the low pressure turbine to the high pressure turbine.
3) From the high pressure turbine to the low pressure turbine.✓ Correct answer
4) From the supply valve to the high pressure turbine.

Before you start

Do I need to register to start?

Guest access lasts 23 minutes. Free registration lets you continue without limits, save progress and review mistakes in your account.

What language are the questions in?

Questions and answer options retain the language of the original bank. You can change the interface language separately.

Can I use my result as an official document?

No. This is independent practice. A result does not replace an examination, certificate or knowledge check by an authorised organisation.