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a) State FOUR factors that affect the effectiveness of hydrodynamic lubrication as a means of reducing friction between components.
b) Under what conditions would boundary lubrication be used rather than hydrodynamic lubrication and what would cause this to happen?
c) Briefly describe THREE uses of lubricants other than for lubrication.
Schedule Evaluation The schedules are evaluated as per to the criterion weighted loss of slack. Now let t 0 si be the slack (time buffer) of job I as per to the initial sched
Selecting Dimension Commands The Linear Dimension Commands As the name suggests the Linear dimension commands are used to
a) What do ypu understand by production Planning and Control Function. Briefly mention the objective of PPC. b) There are 8 job in an auxiliary unit requiring processing on mach
Oxides These comprise alumina, magnesia, thoria, beryllia and zirconia. Other oxides that are utilized sparingly due to high cost comprise hafnia, ceria and yttria. Variety of
CO2 Welding CO2 Welding is a variation of GMAW. Here the inert gas is replaced by gas mixtures or carbon dioxide, which are chemically active. The carbon dioxide decomposes in
Applications of seam welding Lap seam welding is used for the manufacture of cans, buckets and water tanks and for welding thin walled large diameter pipes. Mash seam welding
limitations of first law of thermodynamics: There are some limitations of First Law of Thermodynamics. 1. When a closed system undergoes thermodynamic cycle, the average he
WELDER PERFORMANCE QUALIFICATIONS Requirement of Welder Qualification In performance qualification, the basic attempt is to establish the ability of the welder to dep
Q. Can you explain about Fuel Oil and Dextrin? Fuel Oil : It improves the mould ability of sand. Iron Oxide: It develops hot strength. Dextrin: It increases air sett
(Rigid body acceleration) A tank of water accelerates down an icy frictionless ramp of angle . What angle ( ) does the water make with the horizontal at equilibrium?
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