What is the best sealant for PVC pipe?

What is the best sealant for PVC pipe? Epoxy Repair Should you use Teflon tape on PVC threads? Don’t use Teflon tape, Teflon paste or pipe dope. Do use a sealant. Teflon paste and pipe dope, just like Teflon tape, make threaded joints slippery. Their use on PVC fittings can be an invitation to over-torque. […]

What is a post project evaluation?

What is a post project evaluation? The purpose of the Post Project Review (PPR) is to review the completed project and find lessons learnt on what went well and what could be done better. This review is not a process or session to apportion blame for any issues affecting the project. What should be included […]

How does oil pressure gauge work?

How does oil pressure gauge work? A mechanical gauge uses a spring that is affected by the pressure of the oil. This pressure is what moves the oil pressure needle on your dashboard showing the oil pressure level in the engine. An electric gauge uses a sending unit and a circuit to send electric signals […]

What are groove welds used for?

What are groove welds used for? Welders commonly perform groove welds to make edge-to-edge joints, although groove welds also are used for corner joints, T joints and joints between curved and flat pieces. What is V groove in welding? A V-shaped weld groove formed by the combination of (a) butting members having single-bevel edge shapes, […]

What are the requirements for lockout/tagout devices?

What are the requirements for lockout/tagout devices? Standardized. Lockout and tagout devices shall be standardized within the facility in at least one of the following criteria: Color; shape; or size; and additionally, in the case of tagout devices, print and format shall be standardized. When can tagout be used in place of lockout? Tagout should […]

Why is ABS used on heavy vehicles?

Why is ABS used on heavy vehicles? ABS is a technology that prevents wheels from locking when the vehicle is overbraked. It can provide greater benefits for heavy commercial vehicles when compared with passenger cars because of the relatively poorer braking capabilities of larger vehicles. How can you determine if your vehicle is equipped with […]

How does the composition of a melt produced by partial melting compare with the composition of the parent rock?

How does the composition of a melt produced by partial melting compare with the composition of the parent rock? Partial melting occurs in rocks because the different minerals that compose rocks have different melting points. The melt take the compostion of the heated minerals, while the solid parent rocks remains with the solid minerals that […]

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