This Blog is dedicated to all Marine Engineers preparing for MEO class IV exams. The questions covers all functions (Ship Stability, Marine Electro Technology, Marine Engineering Knowledge, Marine Safety and Marine engineering Practice).
2. Which of the following is a proper practice to follow in the event of discovery of a small soot fire in exhaust gas boilers? choose one Repeated soot blowing Stopping cooling water circulation Reducing main engine speed Opening the inspection doors and extinguishing the fire
3. The boiler water alkalinity in a coil-type auxiliary boiler should be maintained at the pH recommended by the boiler manufacturer to choose one precipitate silica from solution reduce corrosion in the heating coil prevent clogging and erosion in the coil maintain zero water hardness
4. What does the NLGI number of a grease indicate? choose one The oxidation resistance of the grease The consistency of the grease i.e how fluid or non fluid Demulsibility of the grease The shelf life of the grease
5. Which of the bearings listed is most widely used for main and connecting rod bearings of modern diesel engines? choose one Steel-lined Poured babbitt, self-aligning Split roller Precision insert
Score = Correct answers:
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