Why Does One Need to Have Knowledge of Chemistry?

The world in which we live is a chemical world. Our own body is a complex chemical factory that uses chemical processes to change the food we eat and the air we breathe into bones, muscle, blood, and tissues and even into the energy that we use in our daily living. When illness prevents some [...]

GENERAL KNOWLEDGE Pt. II

WHAT IS THE SLENDERNESS RATIO?
Columns used for construction have a definite value called the crippling load or buckling loadthe load at which the column bends or buckles but does not break. The effective length of the column is the length of an equivalent column of the same material and cross sectional area with hinged [...]