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A steel tube of 30 mm external diameter and 20mm internal diameter encloses a copper rod of 15mm diameter to which it is rigidly joined at each end. If at a temperature of 10o C, there is no longitudinal stress, evaluate the stresses in the rod and the tube when the temperature is raised to 200o C. Take E for steel and copper are 2.1 x 105 N/mm2 and 1x 105 N/mm2 respectively. The value of coefficient of linear expansion for steel and copper is given as 11 x 10-6 per degree C and 18 x 10-6 per degree C respectively.
(i) Use the GOAL SEEK tool in MS EXCEL to solve the following equation and determine the TWO roots of this equation between 0 X 4 -8x 3 -x 2 -14x+21=0 (ii). Use the SOLVER t
vr1=vr2 why???
what do you understand by two like and unlike parallel forces?
Explain the Newer Machining Processes In recent years a number of new material have been developed which are being commonly used in space research missiles and nuclear indu
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If Taylor's tool life constants for a provided operation are specified of n = 0.5 and c = 400, what is the percentage increase in tool life when the cutting speed is reduced by hal
Working of boiler : Water is filled in boiler shell through the feed valve up to 2/3 rd of shell. Water flows down through the down take header by means of descending wa
Q. Safety considerations in multi-unit plants? Segregation of process units within large or multi-unit plants is necessary in order to reduce the risk of a fire spreading. This
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