1st Year Millwright Lubrication Correct 100%
What is the correct level of lubrication in an oil bath for an anti-friction bearing? - ANSWER 1/3 of Lowest rolling element The constant level bottle ( Drop feed ) oiler must be installed on the proper side Of the bearing housing, why is this - ANSWER Putting it on the wrong side will draw in oil and fill the housing. List the three types of nozzles used in oil mist lubrication and their applications - ANSWER Spray fitting, Condensing fitting, mist fitting On Block lubrication systems a) the no-flow valves serves what purpose and b) rupture discs serves what purpose - ANSWER A)no-flow will Shut down machinery or provide a signal if flow is interrupted B)Rapture disc indicate blockage in final delivery lines When filling a pillow block housing with grease, the housing should be filled to what amount - ANSWER 1/3 lowest rolling element List the three types of dry solid lubricants and their application - ANSWER *Graphite - Pins and bushings where moisture is present *PTFE(Teflon) - Bonded to the surface of crank and rod bearings in large engine oil *Molybdenum Disulphide - Anti-wear additive in engine oil Proper grease selection depends on many factors, name 3 - ANSWER Speed, temperature, load Which lubricant is better oil or grease for high speeds - ANSWER Oil How should drums of lubricant be stored and for what reason - ANSWER On its side to keep tops clean Oil analysis is important, name 3 things it can tell us - ANSWER Type of metal in oil, Silicone in oil, change in viscosity If an oil sample indicates a change in viscosity what could be the reason for the change - ANSWER Oil is contaminated or oxidized Flushing or using a filter cart when installing new oil is recommended, why. - ANSWER Filter oil of contaminants When selecting a lubri
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- 1st Year Millwright Lubrication
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- December 1, 2023
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- 2023/2024
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- Questions & answers
Subjects
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what is the correct level of lubrication in an oil
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the constant level bottle drop feed oiler must