Courses / 4th Class

4th Class Part B

Plant operation for the 4th Class certificate: boiler types and auxiliaries, water treatment, combustion, pumps, prime movers, refrigeration and safe operating practice.

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Practice paper in this course

Every question is original and written against the public syllabus objectives for this part. Free previews are available on each paper.

  1. 4BClass 4B practice examOriginal practice questions for the 4th Class Part B paper, with explanations.

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