BACKGROUND Polyvinyl chloride (PVC) was discovered in the late nineteenth century. Scientists at that time found the new plastic material unusual in that it appeared nearly inert to most chemicals. …
An air handling unit, commonly called an AHU, is the composition of elements mounted in large, accessible box-shaped units called modules, which house the appropriate ventilation requirements for pu…
What is Meant by Air Conditioning ? Air-conditioning is that process used to create and maintain certain temperature, relative humidity and air purity conditions in indoor spaces. This process is …
The Vapor Compression Refrigeration Cycle is nearly 200 years old, but it does not seem ready to leave the scene any time soon. While some people have viewed this method as environmentally harmful …
In this HVAC Presentation is made up of 2 parts : Part 1 :- Components of the system and what they do Part 2 :- Diagnosing service issues , when to call in the technician HVAC Today we will s…
CSWIP 3.1 : Questions with Answers In these blog you can get PDF file of CSWIP 3.1 : Questions with Answers There are 7 Papers in PDF : Download PDF from the links are given Below Here are the few …
What is the Purpose of HVAC ? The main purposes of a Heating, Ventilation and Air-Conditioning (HVAC) system are to help maintain good indoor air quality (IAQ) through adequate ventilation with filt…
Air conditioning, often abbreviated as A/C (US), AC (US), or air con (UK), is the process of removing heat from an enclosed space to achieve a more comfortable interior environment (sometimes referr…
Pipe and Tube Classification The classification of pipes are schedule and nominal diameter. Pipe is typically ordered using the Nominal Pipe Size (NPS) standard and by specifying a nominal diameter …
What is Static Equipment Design ? Static Equipments are, as the name implies “Static” or “Stationary”. These are the type of equipments which don’t have moving parts like pumps or compressors. These …
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