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Working of Engine Lubrication System: The oil flows from oil pump into the distribution chamber, where it is divided into two parts. One part enters into the right crankcase cover and flows into the centrifugal rotor. Due to centrifugal action the impurities are collected at the periphery and clean oil goes inside the crankshaft to the crankpin. Through the opening on either side of the connecting rod at crank pin area, the oil flows up and lubricates piston, piston rings, piston pin and cylinder liner.
The second part of oil goes through one of studs to the cylinder head, hence it goes into the camshaft and comes out of small holes on the cam lobe area. This oil lubricates valve, spring, rocker arm etc. The oil also comes out from dowel pin, which has cam sprocket installed on to it. This oil lubricates the cam chain.
The working of the lubrication system of 125 cc is little bit different from 100 cc Motorcycle. An extra oil passage is provided which goes downside from oil pump and lubricates piston skirt and its nearby area. The second difference is the lubrication of gears on main and counter shaft. An extra passage for lubrication oil is provided to lubricate transmission gears.
Q. Describe Cold extrusion? • Cold extrusion is done at room temperature or near room temperature. • The advantages of this over hot extrusion are the lack of
Relationship between two specific heat ? Sol: dQ = dU + dW; for a perfect gas dQ at constant pressure dU at Constant volume; = mC v dT = mC v (T 2 - T 1 ) dW at
Spot welding of different metals-Stainless steel Stainless steel is having lower thermal conductivity compared to mild steel. Therefore, it requires less heat input. But, stain
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Expression for the normal and tangential stresses: By sing Mohr's circle, derive expression for the normal and tangential stresses on a diagonal plane of material subjected t
Which conducts heat faster steel copper or brass? Ans) Copper conducts heat faster than steel or brass. Any material that is good for conducting heat is also good for electricit
1. Produce the SW parts for the lugs, connector and tubes. Produce an assembly to FIT at the designated points. 2. Create your own, individual, blank, customised drawing te
Explain POINT ANGLE - Angle of drills It is also known as a cutting angle. Its most commonly used value for a large variety of materials is 118.Though,its varies from 80 to 140
Calculate the tension T in the rope: Q: A man raises 10 Kg joist of length 4m by pulling on rope, Find out the tension T in the rope and reaction at point A for the posit
explain fixed support
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