Which is correct statement ? A. very serious in brittle materials and less serious in ductile materials B. very serious in ductile materials and less serious in brittle materials C. equally serious in both types of materials D. seriousness would depend on other factors E. none of the above...
A. has a head on one end and a nut fitted to the other B. has head at one end and other end fits into a tapped hole in the other part to be joined C. has both the ends threaded D. is provided with pointed threads E. requires no nut...
A. be across threaded portion of shank B. be parallel to axis of bolt C. be normal to threaded portion of shank D. never be across the threaded portion E. none of the above...
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