A. IS THE MODULUS OF ELASTICITY FOR BENDING THE SAME AS FOR COMPRESSION OR TENSION PARALLEL TO THE GRAIN? EXPLAIN
B. ARE VALUES FOR SHORT, CLEAR BEAM APPLICABLE TO BEAMS OF LARGE SIZE? EXPLAIN
C.SINCE THE MODULUS OF RUPTURE IS CALCULATED USING THE USUAL FLEXURE FORMULA FOR STRESS (F=Mc/I) WHY CAN'T BE CALLED THE BREAKING STRESS?
D.EXPLAIN BRIEFLY WHY THE COMPRESSIVE STRENGTH OF WOOD LOADED "PARALLEL" TO ITS GRAIN IS HIGHER THAN THE COMPRESSIVE STREGTH OF THE SAME WOOD LOADED "PERPENDICULAR" TO THE GRAIN? (NOTE : THE DRESCRIPTION PERPENDICULAR TO THE GRAIN DOES NOT MEAN FLEXURE!)