Wiktionary(0.00 / 0 votes)Rate this definition: 1  plate(Noun) A dish from which food is served or eaten. 2  plate(Noun) The contents of such a dish. 3  plate(Noun) A course at a meal. 4  plate(Noun) A flat metallic object of uniform thickness. 5  plate(Noun) A vehicle license plate. 6  plate(Noun) A decorative or food service item coated with silver.
Hose Bibb Vacuum Breaker Hose bibb vacuum breakers consists of a spring-loaded check valve that seals against an atmospheric outlet when the water supply is turned on. When the supply is turned off, the device vents to atmosphere, thus protecting against backsiphonage conditions. A diagram of a hose bibb vacuum breaker is illustrated below along with a typical installation: Standardized Information for Hose Bibb Vacuum Breaker No information available at this time.
Report Abuse. VCB:A vacuum circuit breaker is such kind of circuit breaker where the arc quenching takes place in vacuum. The technology is suitable for mainly medium voltage application. For higher voltage vacuum technology has been developed but not commercially viable.ating Newest Oldest. Best Answer: Vacuum circuit breaker(VCB)With rated current up to 3000 A, these breakers interrupt the current by creating and extinguishing the arc in a vacuum container.