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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.
Geometric Defects Undercut Undercut represents a depression into the base metal adjacent to the toe of the weld and if it forms a notch, it is a potential danger for th
3. Design and draw a circuit using the cascade system to operate two cylinders (A and B) which, on the operation of a start valve, produces the sequence A – B + B – A+. The cylinde
Conventional Priority Rules The standard solution for production scheduling (routing and sequencing) difficulties is the utilization of priority rules. A priority rule is an o
We shutdown our furnace and always encountered crack on our piping at the weld joints. I investigated that upon shutdown the furnace cracking, our maintenance immediately remove th
SAFETY IN TIG WELDING-Gaseous and Metal Fumes Hazards The major toxic gases associated in TIG welding are ozone, nitrogen dioxide and phosgene gas. Metal fumes are also produced
Illustrate about the three authors of IGES In 1977, the three authors of The Initial Graphics Exchange Specification were recognized collectively for their contributions to the
explain the mig welding
Law of superposition:
Bench Vices: Bench vice is used to hold a job on a bench. It consists of a movable jaw, a fixed jaw, spindle and a lever. Figure shows a bench vice. The movable jaw is in the fron
Control Function in Production Management: Controlling is a sub system of the production system where a part of the output is monitored for feedback signals to give corrective
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