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A steel rod of 20 mm diameter passes centrally through a copper tube of 50 mm external diameter and 40 mm internal diameter. The tube is closed at each end by rigid plates of negligible thickness. The nuts are tightened lightly on the projecting parts of the rod. If the temperature of the assembly is raised by 50oC, Find the stress developed in copper and steel. Take E for steel and copper as 200 GN/m2 and 100 GN/m2 and α for steel and copper as 12 x 10 -6/ oC and 18 x 10 -6 per oC .
A machine machines parts in exactly 1.5 minutes. The machine requires tool change according to an exponential distribution with a mean of 12 minutes between occurrences. The tool c
Illustrate theories in planning a machining sequence A component requires several machining operations to bring it to a final shape. The sequence of these operations are arran
(a) An engine uses 6.5 Kg of oil per hr of a calorific value 30,000 kJ / kg. If the B. P. of the engine is 22KW and mechanical efficiency 85%. Calculate (i) Brake thermal eff
Illustrated about the term bending moment? Bending Moment The critical section for bending moment for masonry or concrete block walls is half-way between the centre line and
Loose piece pattern This type of pattern is also used when the contour of the part is such that withdrawing the pattern from the mould is not possible. Hence during moulding th
Write the velocity relationship in orthogonal cutting. A bar of 75 mm dia. is reduced to 73 mm by a cutting tool while cutting orthogonally. If the mean length of cut chip is 73.5
Information Phase: Step: To secure all and complete information and gather facts and from best sources. Our project is selected based on the current problem face by the
Terminal Nut: This is a detachable type of terminal nut. The high tension (HT) cord is connected here. This is also available in non-detachable type. Figure: Spark Plug
Q. Describe about Carbon Steel? Steel having no specified minimum quantity for any alloying element (other than commonly accepted amounts of manganese, silicon, and copper) and
Are the types of pumps selected (base mounted, in-line)? Locate pump on discharge side of boiler. Flexible connector used. Valving indicated, isolation valve on suction and dis
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