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Q. Describe the term ‘Critical Insulation thickness'. What is its significance? Derive an expression for the critical insulation radius of a spherical system.
A bar of square cross-section connects two metallic structures. One structure is maintained at a temperature of 200o C and the other at 50o C. The bar is 20mm x 20mm in cross section and 100mm long and has a thermal conductivity of 60W/mK. The ambient air is at 20o C and heat transfer coefficient between the bar and the ambient is 10W/m2K. Derive an expression for the temperature distribution along the bar & calculate the steady state heat flow rate from the bar to the surrounding.
Formula for maximum power transmitted by belt: Derive formula for maximum power transmitted by belt when centrifugal tension is considered. Sol: Let T 1 = Tension on
how to design a steel connecting rod using minimum weight and thickness?
a.The closest point to discharge treated effluent is a lake, but the pipeline is extended so it discharges into the river draining the lake. This allows a conventional secondary tr
Rigid and linearly elastic material: A rigid material is one which is having no strain regardless of the applied stress. A linear elastic material is one in which strain is
A biaxial rosette is shown at right. Derive equations to correct for transverse sensitivity effects for the case in which the two strain gage elements exhibit different gage factor
Illustrates about the effect of wall movement on earth pressure? Effect of wall movement on earth pressure About fifty years ago Terzaghi conducted a series of tests on larg
compressor’s volumetric efficiency can also depend on the compressor’s ratio.
Find the magnitude of force: Q: The two parallel forces are acting at point A and B respectively is equivalent to force of 100 N acting downwards at point C and coupl
Types of stresses: In general stress is divided in to three group as: various types of stresses may be classified as: 1. Simple or direct stress (Tension, Compressi
how to calculate flow rate of liquid nitrogen? melting point(-210deg) boiling point(-195.8deg) critical temp(-149.9deg) relative density(0.8) specific gravity(808.5kg/m^3) rel
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