Monday, 27 February 2017

Marine Lube oil Applications


The learning objectives of this section are to be acquainted with the many lubricating oil applications such as:

Compressor oils.
System and cylinder oils in low speed cross head engines and medium/high-speed engines.
Gear oils.
Hydraulic oils.
Turbine oils.
Grease and rust protection.

Saturday, 25 February 2017

Friction and Lubrication Principles - Type of lubrication


The learning objectives of this section are to be acquainted with the basic lubrication principles such as:

Friction and lubrication in general.
Fluid lubrication.
Boundary lubrication.

Extreme pressure lubrication.

Wednesday, 22 February 2017

Advantages and Disadvantages of Synthetic Oils




The learning objectives of this section are to provide general information regarding synthetic oils, their area of use, their individual properties and their Advantages versus their disadvantages.

Sunday, 19 February 2017

Base Oils and Types of Additives



The learning objectives of this video section are to provide an understanding of:

The different base oils.
The additives in the lubrication oils and the individual purpose of the additives.
The blending of additives into the base oil.

Tuesday, 14 February 2017

Crude Oil Properties and Refining Process for Base Oils

The learning objectives of this video section are to provide an understanding of:

The world demand for lubricants.
The refining process for base oils.

Crude oil properties.

Friday, 27 January 2017

COLREG Rule 34 Warning Signals for Vessels In Sight Of Each Other



Extract from RULE 34 Manoeuvring and warming signals

(a) When vessels are in sight of one another, a power-driven vessel underway, when  maneuvering as authorized or required by these Rules, shall “1le that manoeuvre by the following signals on her whistle:

one short blast to mean “1 am altering my course to starboard”;

two short blasts to mean “l am altering my course to port”;

three short blasts to mean “I am operating astern propulsion“.

(b) Any vessel may supplement the whistle signals prescribed in paragraph (a) of this Rule by light signals, repeated as appropriate, whilst the manoeuvre is being carried out:

(i) these light signals shall have the following significance:

one flash to mean ‘1 am altering my course to starboard“;

two flashes to mean “I am altering my course to port“;

three flashes to mean ‘I am operating astern propulsion“;

(ii) the duration of each flash shall be about one second, the interval between flashes shall be about one second, and the interval between successive signals shall be not less than ten seconds;

(iii) the light used for this signal shall, if fitted, be an all-round white light, visible at a minimum range of 5 miles, and shall comply with the provisions of Annex I to these Regulations.

(7) If whistles are fitted on a vessel at a distance apart of more than 100 meters, one whistle only shall be used for giving maneuvering and warning signals.


Extract from Annex 1

Manoeuvrlng light

Not withstanding the provisions of paragraph 2 (f) of this Annex the maneuvering light described in Rule 34 (b) shall be placed in the same fore and aft vertical plane as the masthead light or lights and. where practicable. at a minimum height of 2 meters vertically above the forward masthead light. provided that it shall be carried not less than 2 meters vertically above or below the after masthead light. On a vessel where only one masthead light is carried the maneuvering light, it fitted. shall be carried where it can best be seen. not less than 2 meters vertically apart from the masthead light.

Thursday, 26 January 2017

COLREG Rule 34 Signals When In Sight In A Narrow Channel



Extract from RULE 34 Manoeuvring and warning signals
(c) When in sight of one another in a narrow channel or fairway:

(i) a vessel intending to overtake another shall in compliance with Rule 9 (e) (i) indicate her intention by the following signals on her whistle:

two prolonged blasts followed by one short blast to mean ‘! intend to overtake you on your starboard side“;

two prolonged blasts followed by two short blasts to mean “1 intend to overtake you on your port side“;

(ii) the vessel about to be overtaken when acting in accordance with Rule 9 (e) (i) shall indicate her agreement by the following signal on her whistle:

one prolonged, one short, one prolonged and one short blast. in that order.

(d) When vessels in sight of one another are approaching each other and from any cause either vessel fails to understand the intentions or actions of the other. or is in doubt whether sufficient action is being taken by the other to avoid collision. the vessel in doubt shall immediately indicate such doubt by giving at least five short and rapid blasts on the whistle. Such signal may be supplemented by a light signal of at least five short and rapid flashes.

(f) If whistles are fitted on a vessel at a distance apart of more than 100 meters. one whistle only shall be used for giving manoeuvring and warning signals.