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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.
Types of Friction There are basically two types of friction, (a) Dry Friction ( b ) Fluid Friction Dry Friction: Dry friction (also called as coulomb friction man
The crank shaft of a high speed pump has a parallel shaft of 2.5 cm diameter and 48 cm in length. It carries three eccentrics each of 6 cm in diameter and uniform thickness of 1.8
(a) Why does engine overheat and what will happen if engine overheats? (b) Why engine does not start in wet or damp weather? (c) What may be the causes if engine dose not sta
Illustrate the steady state error for different types of systems. Check the stability of the system using Routh criterion S 6 + 4S 5 + 3S 4 - 16S 2 - 64S - 48 = 0
for an otto cycle, compression ratio=8.5:1,air inlet=15degree celsius and pressure=101.3kpa, maximum cycle temperature= 1800degree celsius, what is temperature after compression,te
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wire-frame entities-representing ellipse and parabolas
Fixed Support: At such support beam end is not free to translate or rotate at the fixed end there are three reaction horizontal reaction ( R H ), a vertical reaction ( R V ), an
ESSENTIAL S OF A GOOD BOILER: - Should be capable of producing the required Steam at the required pressure for minimum fuel required. - Should be capable of stan
Components &it function?
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