Common Problems in Refrigeration System
Under-charge : Low compressor suction and discharge pressure. High superheat at the compressor suction. (Possibility of overheating and oil breakdown at compressor delivery.) Large vapour bubbles in liquid sight glass.…
Types of Fire Detectors
Ionisation type Used where fuel or other combustible material produces various products of combustion much before the appearance of smoke or flames. A radioactive source, such as radium, ionises the…
Introduction to Fire
The object of the study is to know – reason of fire ( chemistry ) & to cut off the same to extinguish the fire. To need to know…
Safety aspects of battery room inspection
The gases given off from any battery on charge, whether lead acid or alkaline type, are explosive. All battery compartments should be well ventilated to remove gasses, which are emitted while…
How much salary in Merchant Navy and Ranks in Maritime
The ranking system onboard ensures smooth coordination of operation and is universally accepted by shipping companies across the globe. According to the ranks on ship, the salary in merchant navy…
