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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.
Fluid Friction: Fluid friction manifests when the lubricating fluid is introduced between contact surfaces of the two bodies. If thickness of lubricant or oil between the m
Volume fraction of fibres: The epoxy material is prepared to be stressed to its full strength. What must be volume fraction of fibres? Solution Here σ′ = 1200 MPa,
define elastomer.explain in details?
1.5kw/ton of refrigeration is required to maintain temp of -40c in the refrigerator.if the cycle works on carnot cycle.determine 1.cop,2.sink temp 3. heat rejejected to the sink/to
Clutch Complaints Nature of complaints could be that of following : (a) Clutch judder (jerking) (b) Clutch slipping (c) Half clutch noise
Deliverables: A QFD chart, showing the relationships between the customer requirements and the engineering specifications. (Refer to the Ullman QFD chart posted on My
ULTRASONIC WELDING This is a solid state welding process for joining similar or dissimilar metals by application of high frequency vibratory energy to work pieces held togethe
Explain the Intensive Properties of a System Intensive properties are those, which have similar value for any part of the system or the properties which are independent of the
Auto frottage is the method of
write notes on close-coiled springs ,open-coiled springs semi elliptical leaf springs ,quarter elliptical leaf springs .how to determine shear stress deflection stress energy and
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