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LEGIONELLA BACTERIA IN AIR CONDITIONING PLANT
AIR CONDITIONING SYSTEM ON-BOARD ON SHIP CONSIST OF AN AIR CONDITIONING PLANT AND AN AIR HANDLING UNIT (A.H.U). THIS AIR HANDLING UNIT CONTAINS AN AIR FILTER, EVAPORATOR COIL, HUMIDIFIER, HEATER/STEAM […]
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DETERMINATION OF LEAKY STARTING AIR VALVE
STARTING AIR VALVE IS FITTED ON THE CYLINDER HEAD OF EVERY UNIT TO ALLOW STARTING AIR TO ENTER THE CYLINDER WHEN THE ENGINE IS STARTED. IT IS OPERATED WHEN THE […]
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M/E DOESNOT START WHEN TELEGRAPH IS SET TO START
CAUSES AND REMEDIES :- ANY INTERLOCK IS ACTIVATED. AIR PRESSURE TO LOW :- COMPRESSOR TO BE STARTED AND CHECK THAT THEY ARE WORKING PROPERLY, ALSO CHECK WHETHER AIR IS LEAKING […]
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M/E CHAIN DRIVE INSPECTION
FOLLOWING INSPECTION IS CARRIED OUT IN CHAIN DRIVE :- MAKE GENERAL INSPECTION FOR LOOSE SCREWS AND BOLTS. INSPECT FOR DAMAGE IN L.O PIPES AND NOZZLES. CHECK NOZZLE FOR DEFORMATION AND […]
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METHOD OF GAS FREEING OF CARGO TANK
DILUTION METHOD OF GAS FREEING :- Dilution takes place when the incoming inert gas mixes with the original tank atmosphere to form a homogeneous mixture through the tank so that, […]
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EFFECT OF RUNNING TWO PUMPS IN SERIES OR IN PARALLEL
PUMPS ARRANGED IN SERIES :- WHEN TWO PUMPS ARE ARRANGED IN SERIES, THE TOTAL HEAD OF THE SYSTEM ADDS UP. SINCE EACH PUMP GENERATES A HEAD CORRESPONDING TO A QUANTITY […]
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VACUUM IN FWG NOT DEVELOPING
VACUUM INSIDE THE FRESH WATER GENERATOR IS DEVELOPED BY THE EDUCTOR WHICH SUCK OUT THE WATER AND NON- CONDENSABLE GASES OUT OF THE FWG TO CREATE THE VACUUM. THIS VACUUM […]
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WHY CROSSHEAD BEARING PRESSURE OF M.A.N B&W IS MUCH LOWER THAN THAT OF SULZER
CROSSHEAD BEARING HAS AN OSCILLATING MOTION AND LOWER PART IS ALWAYS LOADED. HENCE IT IS NOT EASY TO LUBRICATE THIS BEARING. M.A.N B&W ENGINES INJECTS L.O TO CRANKCASE AT ABOUT […]
