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Heat Transfer
You have two layer of material to provide insulation. They have heat transfer co-efficient (k1>k2). How will you obtain better insulation?
ronit_hansum
- Mar 17th, 2009
We use the material with low coefficient of heat transfer first then the material with high value of heta transfer coefficient
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Weight and Mass
Differentiate Weight and Mass
arun govind neelan
- Dec 24th, 2009
Mass is used to measure the quantity. Unit is kgWeight is a force = mass * 9.81
ronit_hansum
- Feb 16th, 2009
Mass is a fixed quantity. It remains the same anywhere on earth or moon. But weight is the force with which earth attracts everybody. Weight depends on the position of body on the surface or earth. ...
