Non-destructive testing of large molded pieces may be performed using radiation. Discuss what constructive elements a non-destructive testing system should contain, what type or properties they should have, how they should be arranged in relation to the analyzed piece and what information would indicate that a piece has not been molded correctly (e.g. air gaps in the internal structure). Could the size of such an air gap be calculated?

Determine the capacity, in liters, of the punch bowl shown if R = 250mm.

Circle all the finals Answers at the end

The cross section of a concrete dam is shown below. Knowing that the specific wt of water is 62.4 lb/ft³, determine the resultant force of the water pressure and its direction from horizontal, acting on a 1 ft section of the dam. 14600 lb., 59.2 deg 14600 lb., 30.8 deg 12600 lb., 0 deg O 7490 lb., 90 deg VERTEX OF PARABOLA VET WATER 32