Workboat Engineer and Oiler, Revised Edition E, now comes in five volumes and is coil bound for ease of use. This series of books also contains study material for the National Rating endorsement for Oiler.

This series of books can help every limited-tonnage Engineer Officer candidate and/or Oiler rating to prepare for his/her National USCG professional exam leading to one of the following endorsements:

• Chief Engineer (limited) [See 46 CFR §11.518]
• Assistant Engineer (limited) of motor vessels (NOT steam or gas-turbine propelled vessels) [See 46 CFR §11.522]
• Designated Duty Engineer (DDE) of motor vessels (NOT steam or gas-turbine propelled vessels) [See 46 CFR §11.524]
• Chief Engineer, Offshore Supply Vessels (OSV) [See 46 CFR §11.553]
• Assistant Engineer, Offshore Supply Vessels (OSV) [See 46 CFR §11.555]
• Engineer of Uninspected Fishing Industry Vessels. [See 46 CFR §11.530]

Chapters in Book 4

• Chapter 16 Electricity, Electronics and Control Engineering....... E-1
• Chapter 17 Electrical Questions and Answers........ EQ-1
• Chapter 18 Refrigeration and Air Conditioning......... REF-1