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A Single Cylinder Vertical Engine has a stroke of 40cm and a bore of 30cm. The connecting rod is 100cm long. The mass of the reciprocating parts is 140Kg on the expansion stroke with the crank at 30 degree from the T.D.C the gas pressure is 0.7MPa. If the engine runs at 250 r.p.m. , Calculate:
1) Resultant load on the gudgeon pin,2) Net force acting on the piston,3) Thrust on the cylinder walls, and4) The speed above which, other things remaining same, the gudgeon pin load would be reversed in direction.
A counter flow heat exchanger is used to cool 2000kg/hr of oil(Cp= 2.5 KJ/Kg K) from 105 o C to 30 o C by the use of water entering at 15 o C. If the overall heat transfer coeff
Micrometer (or Screw Gauge): There are two different types of micrometers - inside and outside micrometers. A micrometer also has two scales - Main scale and Vernier scale (Figure
Calculate the feed in Drilling Operation Calculate the feed in m/min if a drill makes 200 revolutions per minute and penetrates to a distance of 3 mm per revolution. Solut
Urine preservatives - Specimen collection: Urine preservatives : preservatives have different roles but are usually added to reduce bacterial action or chemical decompo
BOILERS: BOILERS : Boilers can be defined as closed pressure vessels that are used to generate steam at pressure much higher than atmospheric pressure by the transfer of he
Find the Maximum Allowable Size of the Milling Cutter Find the maximum allowable size of the milling cutter if it is to rotate at 65 rpm while the cutting speed is 20 m/min.
EQUIPMENT FOR RESISTANCE WELDING The equipment for resistance welding is different from that for arc welding for the following reasons: Resistance welding machines are complica
Find out the deflection: Find out the deflection (vertical) at a distance 'a' from the tip in Example Solution As in this case there is no load at the point where the
Evaluate stress in fibre: Example, the matrix material can be stressed to its full strength of 80 MPa, calculate the allowable % of broken fibres. What will be the stress in f
A Wilson-Hartnell governor is illustrated in given Figure. In this, the balls are associated by two springs that are known as main springs. The main springs are symmetrically arran
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