ETO

All ships should under go drydock twice in 5 years, and time difference between two continues drydock cannot be more than 36 months.This comprise maintenance of the hull, propeller, rudder and other parts which...

Conventions:- SOLAS – Came in force on 25th May 1980 MARPOL – Adopted in 1973, Protocol-78, Came in force from 2nd oct. 1983. STCW – Came in force from 28th April 1984. MLC – Adopted in 2006, Came...

MARPOL 1) 1st  March 2018 – Data collection system for fuel oil consumption on ships. IMO documents : MARPOL Annnex 6, regulation 22, 5000GT & above. Entry in to force(EIF) under tacit acceptance procedure : 1st March...

Q. What is the meaning of power factor? Ans- Power factor is the cosine of the angle between voltage and current waveform. Q. How can it be improved? Ans- Power factor improvement capacitor banks are used if...

MSB to be installed on the raised platform. The location where the MSB is installed should have good ventilation, illumination & affected by minimum vibration. No water or the oil pipes should pass above the MSB. There...

(a) Explain about BJT (Bipolar Junction Transistor),Uni-junction transistor. (b) Describe about NPN and PNP transistor with sketch. (c) Describe about Thyristor,GTO(gate turn off thyristor) (d) Describe about MOSFET operation, Snubber circuit. (a) BJT (Bipolar Junction Transistor) Three terminal device,...

Q Explain with the aid of sketch, the working principle of IGBT(Insulated Gate Bipolar Transistor) in varying motor speed control This type of converter used for induction motor drives, uses transistors as switching devices.Unlike thyristors,...

MEO ORAL PRESENTATION AND PREPARATION GUIDE Whatever you’re thinking, is being thought or had already been thought somewhere else. What makes the difference is in your way of presenting it.                                                                                                              -Junaid Raza Contents: 1. Things to carry 2. Outfits 4....

There has been too much puzzle with regards to the notations used for the Marine Diesel Engines. One can consult the engine manual & find out what such notations means. However, this article will provide explanation for...

Vacuum switchgear follows the principle that it is virtually impossible for electrical current to flow in a vacuum. Therefore, the main contacts disconnected inside the vacuum bottle. The typical contact material consists of a tungsten matrix impregnated...