. Railway mechanical engineer . 5 20 5 .. 110 220 440 volts volts volts .10 6 3 .20 10 5 . 35 IS 10 .45 25 15 . 80 40 20 Type AR Single Phase MotorsFuse ratingill amperes with different voltages Without rheostat With rheostat power 110 volts 80 220 volts4060 ino 175200 10 15 20 110 volts 40 60100175200 10 15 20 220 volts20 3 120 30 5 200 55 325 80 10 400 100 ,l;::;;;i 20 30 40 6810 The Resistance of Materials The Effect of Sudden or Abrupt Changes InSection on the Distribution of the Unit Stresses BY G. S. CHILES and R. G. KELLEYII. IN the common theory of Ijeams we assume that the elonga-tion
. Railway mechanical engineer . 5 20 5 .. 110 220 440 volts volts volts .10 6 3 .20 10 5 . 35 IS 10 .45 25 15 . 80 40 20 Type AR Single Phase MotorsFuse ratingill amperes with different voltages Without rheostat With rheostat power 110 volts 80 220 volts4060 ino 175200 10 15 20 110 volts 40 60100175200 10 15 20 220 volts20 3 120 30 5 200 55 325 80 10 400 100 ,l;::;;;i 20 30 40 6810 The Resistance of Materials The Effect of Sudden or Abrupt Changes InSection on the Distribution of the Unit Stresses BY G. S. CHILES and R. G. KELLEYII. IN the common theory of Ijeams we assume that the elonga-tion or shortening per unit of length of any fibre is pro-portional to the distance of the fibre from the neutralaxis of the cross-section, that is, that the stress distributionor intensity is linear. Professor Croker found by experiment* (optical method)the distribution of stress in rectangular beams with holescut through them. In the upper specimen of Fig. 7 the two-inch diameter hole is located at the center on the neutral axis,.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
