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WHY OIL TANKER HAS LESSER FREEBOARD THAN GENERAL CARGO SHIPS
OIL TANKERS HAVE LESSER FREEBOARD THAN GENERAL CARGO SHIPS WITH THE SIMILAR LBP. THEY ARE CONSIDERED TO BE SAFERSHIPS FOR THE FOLLOWING REASON : THEY HAVE MUCH SMALLER DECK OPENINGS […]
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BOILER WATER SWELLING AND SHRINKAGE
BOILER WATER LEVEL IS VERY IMPORTANT TO BE CAREFULLY MONITORED AND SHOULD BE MAINTAINED FOR SAFE AND EFFICIENT WORKING OF THE BOILER. BUT TWO PHENOMENON SHOWS INCORRECT READING OF BOILER […]
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BULKHEAD DIVISION OF CLASS FOR FIRE
THERE ARE 3 CLASS OF DIVISION :- “A” CLASS DIVISION :- ARE THOSE DICVISION FORMED BY BULKHEADS AND DECKS WHICH COMPLY WITH THE FOLLOWING : THEY SHALL BE CONSTRUCTED OF […]
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WHY RUDDER IS TESTED FROM 35 DEGREE ON ONE SIDE TO 30 DEGREE ON OTHER SIDE
When rudder is on starboard 35 and then order is given to port 30 or 35, the variable discharge pump gets huge error signal gives maximum pumping rate but when […]
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LUB OIL TEST
TBN TEST :- BY PRESSURE RISE OF A TEST MIXTURE PLACED IN A SPECIAL INSTRUMENT . IT IS DUE TO CALCIUM REACTING WITH REAGENT. 10 ML OF SAMPLE+ 10 ML […]
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FUEL CAM LEAD
IN A FUEL PUMP SYSTEM THERE ARE 2 TYPES OF LEAD, FUEL PUMP LEAD FUEL CAM LEAD IN THIS SECTION WE WILL BE DISCUSSING ABOUT FUEL CAM LEAD. FUEL CAM […]
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CALCULATION OF IHP & BHP USING INDICATOR DIAGRAM
FIND THE AREA OF THE INDICATOR DIAGRAM USING A PLANIMETER. LET THE AREA OF THE DIAGRAM BE “A”. NOW MEAN INDICATED PRESSURE, M.I.P, P(i)= A/(L*C) WHERE A= AREA OF INDICATOR […]
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REMOTE WATER LEVEL INDICATORS
REMOTE WATER LEVEL INDICATORS ARE USED TO SHOW THE LEVEL OF WATER INSIDE THE BOILER IN A CONVENIENT PLACE LIKE ECR THERE ARE 2 TYPES OF REMOTE WATER LEVEL INDICATORS […]
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REFRIGERANT CHARGING
THE REFRIGERANT CHARGING IS DONE WHEN REFRIGERATION EFFECT OF REFER/ AC SYSTEM DECREASES DUE TO LEAKAGE OF GAS. BUT BEFORE REFRIGERANT IS CHARGED THE LEAK MUST BE DETECTED AND RECTIFIED. […]
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SLACKEN TIE ROD DETECTION
TIE ROD WHEN SLACKENED THEY DON’T TAKE PROPER LOAD. SLACKENED TIE ROD CAN BE DETECTED BY FOLLOWING METHODS :- THE CYLINDER JACKETS ADJACENT TO THE SLACK TIE RODS CAN BE […]
