A cinquain is a five-line poetic form, of syllabic structure 2, 4,  6, 8, 2 - or, a five-line poem consisting of one noun, two  adjectives, three actions, four feeling words â¦ , and one noun  repeating the noun at the start.nswer by Ronirose. Confidence votes 11. A cinquain is a type of poem. A Cinquain has 5 lines. The 1st line is a noun. The 2nd line is two adjectives describing the noun. The 3rd line is three verds that have to do with the noun.
A Shear Relief Valve is a type of valve consisting of one or two shear pins used to set the relief pressure. The shear pins are chosen from several standard-sized pins installed on the shear relief valve. A relief valve is a valve that controls the pressure in a system so as to avoid certain accidents like equipment failure.
A safety Relief Valve is a pressure Relief Valve characterized by rapid opening or pop action, or by opening in proportion to the increase in pressure over the opening pressure, depending on the application and may be used either for liquid or compressible fluid.n overpressure event refers to any condition which would cause pressure in a vessel or system to increase beyond the specified design pressure or maximum allowable working pressure (MAWP). The primary purpose of a pressure Relief Valve is protection of life and property by venting fluid from an overpressurized vessel.