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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.
#question. Select a standard rolled steel I-section for the simply supported beam shown in figure below. Select an appropriate factor of safety and material strength. Include ref
Explain Clamping Devices A clamp is a device that holds the work piece firmly against the locators provided and also resists all forces generated by the cutting action of
State the scope of thermodynamics in thermal engineering. Thermal engineering is a very significant associate branch of mechanical, chemical, environmental, aerospace, marine,
a) A pair of 20 degree full depth involute spur gears having 30 and 50 teeth respectively of module 4mm are in mesh. The smaller gear rotates at 1000 rpm. Determine- 1) Contact
A 68.0 kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.780 and 0.430, respectively. (a) What horizontal pushing force i
Describe motion in two dimension?
Q. Define Current for electrical resistance welding? - With other parameters kept constant, the temperature in resistance welding is regulated by controlling the magnitude a
Shear and Moment Diagrams Determine the analytical solution for the maximum stress of the beam shown; compare with stress results from Solid Works. Draw shear and moment diagra
brief description of resonant cavities
Commutator The function of a commutator is to change alternating current induced in the armature into unidirectional current. The commutator is of cylindrical shape and is made
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