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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 4- pole DC motor is known to have an armature resistance of 0.5 Ω, and is operated as a separately excited motor. (a) When the motor is connected to a 250V DC supply with no
Q. Overall deformation of a component? The overall deformation of a component is a function of the applied load, the materials' creep rate, the maximum in-service temperature,
please give the simple step with example to solve the optimality test???
Moment of Force: Defin e Moment of Force? Describe moment center and moment arm. Also classify the moment. Sol.: It is turning effect produced by force, on the body, on wh
1) Factor of Safety is calculated by using which of the following set of values? [Select the one best answer from the choices given below.] Answer a. Yield Stress and Allowable St
Ask question #Minimum 100 words acceptedIf your requirement is for a sensor suitable for a heavy industrial application, with a linear characteristic, working in temperatures up to
Q. Describe about Carbon Steel? Steel having no specified minimum quantity for any alloying element (other than commonly accepted amounts of manganese, silicon, and copper) and
nc & cnc machines
Find distance through which the body will penetrates: A body having mass 25kg falls on the ground from height of 19.6m. The body penetrates into ground. Find distance through
Compute the diameter of a solid shaft: Compute the diameter of a solid shaft transmitting 150 kW at 25 rpm, if the maximum shear stress in the shaft is not to exceed 70 MPa. C
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