Summary
Highlights
The video begins its refresher by asking about common plumbing terminology and components such as the alternative name for a 'four Hub' and the process of 'crimping' pipes.
It then delves into questions about pipe fittings, specifically asking which fitting is used to join galvanized steel pipe with plastic pipe, and the characteristics of CPVC pipes regarding temperature resistance.
The video covers aspects of plumbing systems like the use of double offsets, where digestion occurs in a septic tank, and the exclusive application of the term 'stack' in vertical systems. It also identifies fixtures with a flush valve.
Further questions tackle topics such as the use of an expansion loop in piping systems, the definition of a fitting with a projecting collar, and identifying the valve with the highest frictional coefficient. It also asks about isometric drawing and indirect waste.
The refresher continues by defining the 'U' in UPVC, the function of a male thread fitting with a square head for closing, and different types of urinals, specifically the stall urinal. It also asks about minimum fixture drain sizes.
Finally, the video addresses the process of flushing cleaning to remove dirt, known as 'draining', and identifies a 'Y' connection used in fire lines for hose attachment as a 'Siamese connection'.