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Nice explanation sir. Thanks for the valuable information. Sir I have a question ..... Why earlier in Sulzer engine jack bolts for the main bearing are inclined?
Hello Pawan , Sulzer engine jack bolt for main bearing is inclined so that to ensure that the shaft bending stress is less at the centre as the hole can be cut more closer to the centreline of the crankshaft which provides better crankshaft alignment and less bending stress. If you want to more soon video regarding this topic will be uploaded u will get more clear idea. Till then please share my other video in your facebook and whatsapp status.
Tie rods should be as near as possile to the center line. since bending moment = force * distance. Jack bolt is an arrangment which holds the top cover of main bearing in position. By eliminating the requirement of bolts to hold it and reduces the width of top cover, so that tie rod can be bought close to the center line of engine.
I have a question. Any who knows the answer should kindly share please. Why is low expansion foam no longer allowed as the only fixed fire fighting system onboard ships?
Low expansion foam is used on deck for extinguishing the fire (mainly for open area fire) but co2 is used for closed area fire (such as engine room ,cargo hold,pump room etc) so normally you will find 2 extinguishing system onboard
Too good sir well done
really very simple and excellent explanations thank you so much sir
Thank you Shivam for your lovely response!!!!
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very nice and informative. well understood with ur explanations.
Thank you Suraj!!!
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Marvelous explanation.Thank you
Very interesting and informative bhai. Wish you all the best. Thanks.
Very well explaied plz keep on enlightning us
We will keep trying!!!!!
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Mallu ki bakchodi yaha bhi khatam nhi ho rhi...Mallu
Nice video sir
Thank you for your support and appreciation Manish Malhotra!!!!
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@@MarineEngineeringHub I do sir !!!
Thank you, subscribed.
Greatly explained
Glad it was helpful!!!!!
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Kindly make a video on fixed dcp system on board ship sir
thanks for the explanation...could u pls share throw length of a foam applicator and a foam monitor.
thank you bos
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Marine Engineering Hub okayy i already pass my 3rd class oral exam yesterday . thank you for some of ur video made me cleared of some topic :)
Regulations are much oriented towards cargo tanks for oil and chemical tanker and not about cargo holds of car carrier ship.
What is line after foam pump discharge back to tank with safety valve. Is it safety valve for pump?
sir how is the orifice meter changed from low to high expansion is it done manually by going to the proportionator? plz reply
sir when this foam system is released after detecting of which detector .......
this system is the same in all tip of ships ?
Too good
Thank you for your response.!!!! Please do share our video on your facebook and whatsapp group!!!!
Nice explanation sir. Thanks for the valuable information. Sir I have a question ..... Why earlier in Sulzer engine jack bolts for the main bearing are inclined?
Hello Pawan ,
Sulzer engine jack bolt for main bearing is inclined so that to ensure that the shaft bending stress is less at the centre as the hole can be cut more closer to the centreline of the crankshaft which provides better crankshaft alignment and less bending stress.
If you want to more soon video regarding this topic will be uploaded u will get more clear idea.
Till then please share my other video in your facebook and whatsapp status.
Tie rods should be as near as possile to the center line. since bending moment = force * distance. Jack bolt is an arrangment which holds the top cover of main bearing in position. By eliminating the requirement of bolts to hold it and reduces the width of top cover, so that tie rod can be bought close to the center line of engine.
Sir,,,my question
'3'compounds are needed to make foam are water,foam AFFF Or air...
So you tell me from where to get air compound....
While coming out at the end !!!!
Air suck in to form mixture with foam liquid to come out as foam
I have a question. Any who knows the answer should kindly share please.
Why is low expansion foam no longer allowed as the only fixed fire fighting system onboard ships?
Low expansion foam is used on deck for extinguishing the fire (mainly for open area fire)
but co2 is used for closed area fire (such as engine room ,cargo hold,pump room etc)
so normally you will find 2 extinguishing system onboard
Why isolation valves are provided in fixed foam systems?
sir, is it necessary to stop the ventilation fan of engine room when fixed foam is activated?
Of course
Can we find sprinkler, foam, hypermist all in a single ship? Plz reply
yes
Sir, what is foam applicator
High expansion is for deck and low expension is for engine room.
No opposite
As high expansion tends to get away with wind so the expansion ratio is kept less!!!!
No bro. The reverse is actually the case.