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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.
Find out the moment of inertia of a semicircle: Find out the M. I. of a semicircle ABM around its periphery AB and also around centroidal axes x and y as illustrated in Figur
what is swelling and shrinking
What do you mean by centrifugal casting ? How are the centrifugal method classified ?
PROBLEM 1 (30 points) Consider a Boeing 747-400 at weight close to the maximum takeo? weight (MTOW) cruising at Mach 0.82 at an altitude of 32000 ft. (a) How much thrust is needed
Pole core and pole shoe The pole cores are made of steel laminations that are insulated from each other and riveted together. Every pole core has a pole shoe having a curved su
This section shall apply to the general requirements for design, fabrication, erection, and testing of structural steels for supports, stairways, ladders and platforms. All stru
Q. Describe Polythionic Acid Corrosion? Although it is not typically thought of as high temperature corrosion, polythionic acid stress corrosion cracking occurs in areas where
Consider a fully developed laminar flow of a fluid through a 200 m long and 4 cm diameter horizontal and circular pipe. The density and the viscosity of the fluid are 1400 kg/m 3
TYPICAL JOINT DESIGNS THAT ARE USED IN ELECTRON BEAM WELDING Butt joint : Butt joint is the preferred joint as it involves only a small amount of machining prior to wel
Forced Air Cooling: A fan makes a difference between natural air cooling and forced air-cooling. The fan supplies the required air to carry away heat from the engine cylinder
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