In which year, the book entitled 'Principles of Scientific Management' was published?

The correct answer is C. 1911.

Frederick Winslow Taylor's book, "Principles of Scientific Management," was published in 1911. The book is considered a seminal work in the field of management and is credited with helping to lay the foundation for modern industrial engineering.

Taylor's work focused on the idea that scientific principles could be applied to the workplace to improve efficiency and productivity. He developed a number of techniques, such as time and motion studies, to analyze work tasks and identify ways to improve them.

Taylor's work was controversial at the time, but it has since been widely adopted by businesses around the world. His principles continue to be an important part of management theory and practice.

Here is a brief explanation of each option:

• Option A: 1901. This is incorrect because Taylor's book was not published in 1901.
• Option B: 1903. This is incorrect because Taylor's book was not published in 1903.
• Option C: 1911. This is the correct answer because Taylor's book was published in 1911.
• Option D: 1912. This is incorrect because Taylor's book was not published in 1912.