Electrical Machines Questions and Answers
Lap winding is suitable for high current and low voltage generators while wave winding is suitable for high voltage and low current generators. >Lap winding is suitable for high current…
Induction Motor Interview Questions Answers
What are the advantages and disadvantages of Induction Motors? Advantages: It is simple and rugged in construction It is relatively cheap Induction motors require less maintenance Induction motor has high…
Deluge Valve Operation
A Deluge system (automatic High Velocity Water Spray System) is a fixed fire protection system, which totally floods an area with pressurized water through a system of piping with open…
S84 / IEC 61511 Standard for Safety Instrumented Systems
IEC 61511 is a technical standard which sets out practices in the engineering of systems that ensure the safety of an industrial process through the use of instrumentation. Such systems…
Fire Water Sprinklers Working Principle
Automatic Sprinklers Automatic sprinklers are thermosensitive devices designed to react at predetermined temperatures by automatically releasing a stream of water and distributing it in specified patterns and quantities over designated…
Fire Water Spray Systems Principle
A Water Spray System, for Fire Protection a different variant of Fire Sprinkler System. Such a system is used in places where fire is likely to rapidly spread out of…
Basics of Fire Detection and Alarm System
Introduction A key aspect of fire protection is to identify a developing fire emergency in a timely manner, and to alert the building's occupants and fire department. This is the…
Difference between Availability, Reliability & SIL
We often come across the above terms, and others, when we are talking about equipment and systems. All of them relate in some way to how well something will perform…
Deluge System for Transformer Protection Animation
Why Transformer Protection ? Let us take an example to be more specific and clear. In an oil cooled transformer, the oil is likely to catch fire after a certain…
Basics of Sprinkler System
The automatic sprinkler consists of assembly of a liquid filled glass bulb fitted in brass or bronze yoke with an deflector at outlet and threaded inlet connection. The glass bulbs…
