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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.
(a) Evaluate the natural frequency of system shown in figure and show that it will be equal to (b) calculate equivalent stiffness of two springs connected in parallel.
Ac circuit having rl rc rlc. Series
A Small connecting rod 220mm long between the centres has a mass of 2kg and mass moment of inertia of 0.02 kg- m² about its centre of gravity. The centre of gravity is located at a
Q. What do you mean by Levelling Procedure? The Surveyor shall calculate required field adjustment in module elevation based on data from survey in conjunction with correspondi
Tempering and Stabilization: Tempering of tool steel in heat treatment is again a significant step. The quenching of such steels reasons the existence of untempered martensit
Q. Describe about Chain-wire and tape gauges? Chain, wire and tape gauges are fixed on structures like bridges and the weight is lowered to touch the water surface. Movable sti
an air conditioning system is to take place in an outdoor air at 10 degrees celcius and 30% 0f relative humidity at a steady rate of 45 m^3/min and to condition it to 25 degrees ce
Con e of Friction: When the body is having impending motion in direction of P , the frictional force will be limiting friction and the resultant reaction R wil
Define Jigs and Fixtures Jigs: A jig is a device in which a component is held and located for specified operations in such a way that it will guide one or more cutting tool
Explain construction and working of calomel electrode
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