Kelias 95LEARNING SPACE
FREIGHT TRANSPORT

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Initial professional qualificationLithuania / EU · C / CE
5 / 300
QUESTION 005Not studied yet

What units are used to measure engine brake power?

General principlesCompared with sources

Answer

The SI unit of power is the watt (W); engine brake power is usually stated in kilowatts: 1 kW = 1 000 W.

A simple explanation

The kilowatt is a unit of power, meaning the rate at which work is done. 1 kW means 1 000 joules of work per second; it is not a quantity of fuel or engine torque.

REMEMBER

1 kW = 1 000 W.

Sources and checks

Editorial review: 2026-09-28.

Learning objective: Read kW correctly and distinguish a unit of power from a unit of torque. EU syllabus area: 1.1. W = J/s and the SI prefix kilo = 10³ were checked in OpenStax; no particular engine test procedure is described.

Answer compared with sources: 2026-09-28.

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Learning together and feedback

Try it together in 25–30 minutes

For an instructor and a small group: choose one C/CE freight transport topic in the Lithuania and EU context. Use your own devices, including a phone and a computer.

  1. 3 questions. In ‘Recall’ mode, first answer in your own words, then read the explanation and mark what needs more review.
  2. A lesson and a diagram. Discuss what they explain and which conditions matter.
  3. One scenario. Decide before revealing the solution. Explain the reasons for your chosen action.
  4. A few quiz questions. Read the explanation for each option. You can finish the quiz early; the remaining questions will be marked as unanswered.
  5. Discussion. Everyone names one useful point and one thing that needs correcting.

How can you share or suggest a correction?

You will find the question link and feedback field below this section. Lessons, diagrams and scenarios have their own ‘Copy link’ button. ‘Suggest a correction’ helps you prepare a note with the specific link and version label. Copy or download the text and pass it on for review.

Discuss: is it easy to find an answer and return to the question? Can you explain the reason and the limits of the rule's application? Which sentence is misleading? Flag any significant legal or safety uncertainty for checking before using the material.

Translated from the Lithuanian edition. The material concerns Lithuania and the EU; source-check dates refer to the Lithuanian answers.

Study materials for C/CE drivers: 300 questions with explanations, lessons, quizzes and practical scenarios. Based on Lithuania's and EU rules.

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