VISITED TO DOCKYARD

                                          

Yesterday was our visit to dockyard we have seen the beautiful floating dock and the ice (Internal Combustion Engine) shop with pumps description in the premises of navy where there is a great restriction for the entry of mobile phone and the suicide bombers.

When entered the ice (internal combustion engine) shop, we have seen the beautiful environment of the shop with a proper precision and the decision which I think is control by a one command.

There the class was separate into two group se1 (Senior Engineering) and se2 (Senior Engineering).

Main discussion

V type engine with a 10 cylinders engine and we have seen a bench for the overhauling of engine which can be feasibly rotated.The overhauling included a 5 men working on an engine rating 750 kw 4 stroke diesel generator, top overhauling included the engine only the cylinder head and it related part.

The overhauling we have seen the liner piston have crown and skirt and the piping of water and lubricating and the oil sump, water jacket in which the fresh water is circulated, crankshaft is the most interesting part and there is a portable machine which is used to check the choke of a pipe.

In a separate room we have seen the atomizer and the fuel oil pump adjust machine.

In pump shop

We have seen the reciprocating, screw, centrifugal pump. They both have positive and negative displacement.

Screw pump have low suction but discharge is high; used for the high viscosity fuel like diesel engine.

Whereas roto dynamic centrifugal pump is high suction but low discharge pump.

WRITTEN BY: ZEESHAN AHMED

TIME AND DATE: 9:36PM & 19 FEB 2009.