Air bottle and its mountings 4 marks important ques
Air bottle and its mountings Sketch and label the air bottle and its mountings. For more click here IMO website link click here
Air bottle and its mountings Sketch and label the air bottle and its mountings. For more click here IMO website link click here
Centrifugal vs reciprocating pump List out the differences between Centrifugal vs reciprocating pump. Centrifugal pump Reciprocating pump It is one of the rotary pumps which used kinetic energy of impeller. It is a positive displacement type pump which is forced by piston. It continuously discharges the fluid. It does not discharge the fluid continuously. In …
Centrifugal vs reciprocating pump important ques 6 m Read More »
Centrifugal pump Explain the working principle of a Centrifugal pump with a simple diagram. When a certain mass of liquid is made to rotate by an external force, it is thrown away from the central axis of rotation and a centrifugal head is impressed which enables it to rise to a higher level. The centrifugal …
Working principle of a Centrifugal pump. important ques 6 marks Read More »
Duplex filter Draw and Explain a Duplex filter. The DUPLEX strainer is a single housing assembly with an opposing Inlet-Outlet flange. Each housing assembly comprises 2 identical filter chambers both to a centre ball valve diverter chamber. By operation of a single lever, the floor can be diverted from one filter chamber to the second …
Draw and Explain a Duplex filter. 6 marks important ques. Read More »
Bunkering operation What are the safety practices followed during Bunkering operation? Proper quantity check of existing bunker and make a bunker plan accordingly. Safe quantity to be 95 % of the volume of a particular the tank. Bunker line valve to be lined up properly as per the bunker plan before starting bunker and other …
What is MARPOL Annexure-VI? MARPOL Annex VI, first adopted in 1997, limits the main air pollutants contained in ships exhaust gas, including sulphur oxides (SOx) and nitrous oxides (NOx), and prohibits deliberate emissions of ozone depleting substances (ODS). MARPOL Annex VI also regulates shipboard incineration, and the emissions of volatile organic compounds (VOC) from tankers. …
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Define- Propeller drop. The propeller shaft in the aft peak tank is provided with inboard and outboard seals. These seals contain nitrile rubber or viton lip seal, which seals against the cast iron propeller shaft. After a few years it creates grooves on them and naturally looses sealing and sea water easily find its way …
What is Pintle Clearance? Pintle is the pin or bolt that hinge the rudder to the gudgeons on the sternpost or rudderpost. The clearance between the pintle and its bush is called pintle clearance. For a newly built ship, the standard clearance is 1.5 mm. For a ship in service, Maximum allowable clearances between pintle and bush is …
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Define- Hunting Gear. Hunting Gear is a feedback mechanism of steering gear which repositions the floating lever of hydraulic pump as the tiller moves to the desire position. Hunting gear floating lever mechanism is required to bring the rudder to the ordered position. This mechanism is required to position the rudder in its ordered position …
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