Flash And Fire Point Test

EXPERIMENT NO. 6 FLASH AND FIRE denominate bear witness FOR ASPHALT BY CLEVELAND OPEN form RELATED THEORY FLASH POINT twinkling specify is the low temperature corrected to a barometric insistency of 101.3 kPa (760 mm Hg), at which application of a test burst turn up fathers the vapor of a specimen to ignite under see conditions of test. The secular is deemed to have flashed when a large flame appears and today propagates itself over the surface of the specimen. Note: Occasionally, particularly near the touchable flash point, the application of test flame will prepare the blue halo or an enlarged flame; this is not a flash and should be ignored. FIRE POINT It is the lowest temperature at which a specimen will sustain burn mark for 5 seconds. A flammable material is the one, which form flames, solely does not sustain fire while a ignitable material is the one, which sustains fire/burning. SOURCES OF BITUMEN Bitumen is generally obtained fro m the following three sources; i) by nature occurring (in due west Indies). ii) Extracted from Limestone and Sandstone (procedure adopted in USA). iii) From Oil Refineries (this is the study source of bitumen in Pakistan). ASPHALT CEMENT (AC) asphalt cementum shall be crude asphalt or a salmagundi of refined lucid asphalt and refined solid asphalt, nimble from crude asphaltic petroleum. It shall be free from admixture with some(prenominal) residues obtained by the celluloid distillation of coal, coal tar or paraffin and shall be homogeneous and free from water. |Temperature Condition |* Asphalt Grade | |Cold, symbolize annual air temperature |AC-10 | |< 7 °C (45 °F) |AR-4000 ! | | |80 / light speed pen...If you want to get a full essay, order it on our website: OrderEssay.net

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