class II

Modern A.V.R. (Zener Bridge) Voltage through the Zener diodes remains almost constant independent of current variations.Smoothed D.C. output is applied to the voltage reference bridge.This bridge is balanced at the correct generator voltage output with no potential difference...

central electronic control system is the brain of the system which monitors and evaluate the general condition to keep the operating parameter within limits and keep the performance of the engine better.The intelligent engine provides flexibility in operation...

Q. How do the provisions of 2010 amendments to STCW Convention intend to improve the technical and interpersonal competence of seafarers? Answer:- 1. Change of competency tables: a. Need for deck officers to be competent in use...

The fuel is supplied by the fuel pumps to the fuel injectors or fuel valves. For the fuel to burn completely at the correct time it should be broken up into tiny droplets in...

A relay is an electromagnetic switch device which utilizes very small electric current that can turn on or off a much larger electric current. The heart of a relay is an electromagnet. A relay is...

Automatic identification systems (AIS) are developed to provide information about the ship to other ships and to coastal authorities automatically. Regulations for carriage of AIS Regulation 19 of the SOLAS Chapter V - Carriage requirements...

Q Explain Reefer system on the ships. Main Components of the Refrigeration plants Any refrigeration system works with different components inline to each other in the series. The main components are: Compressor: Reciprocating single or two stage...

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,...

Q. Explain latest developments in Marine “Tribology”. Explain the inferences you may draw from a main engine lub oil analysis report with the proposed corrective action in each case. Answer:- Tribology is the science & engineering...

For the large bore diesel engine, a combined cycle plant setup has so far been based on a standard design and, thereby, also standard performance of the diesel engine, leaving waste heat recovery (WHR) to boiler and...