Marine BoilersThis book provides the information on boilers and the associated equipment, as used at sea, required by marine engineers taking the Steam Paper, Class Two, for the Department of Transport's Certificate of Competency for Marine Engineer Officers. Much of the information is given in the form of comprehensive answers to typical examination questions, with supporting diagrams that help the reader to understand and remember important machinery details. In this new edition the book has been updated throughout with new material on welded boilers, various types of water tube boiler, rotary air heater, water level alarm, consolidated type safety valve, hydraulic testing and various aspects of survey, maintenance and operational problems. |
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Common terms and phrases
air heater air registers allow amount attemperator auxiliary bell-mouthed blow boiler pressure boiler shell burner cleaning closed combustion air combustion chamber consists de-superheater deposits diameter tubes drain economiser end plates engine exhaust gases ensure feed water fitted flame fuel oil furnace gas stream gauge glass heat exchange high pressure inlet internal isolating valve joint kN/m² low pressure lower main engine manhole micro switches mild steel multi-loop oil fired operating orifice plates overheating passes placed plug prevent pump radiant heat reduce refractory material riveted safety valve saturated steam Scotch boiler screen tubes screw shown in Fig shut Sketch and describe smoke tubes soot blowers stay tubes steam and water steam drum steam temperatures stress suitable superheat temperature superheater tubes thickness tube plate type safety uptake vents vertical water cocks water cooled water drum water level gauge water tube boiler welded