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.Management Sciences
A. one smaller nut is tightened over main nut and main nut tightened against smaller one by loosening, creating friction jamming
B. a slot is cut partly in middle of nut and then slot reduced by tightening a screw
C. a hard fiber or nylon cotter is recessed in the nut and becomes threaded as the nut is screwed on the bolt causing a tight grip
D. through slots are made at top and a cotter-pin is passed through these and a hole in the bolt, and cotter spitted and bent in reverse direction at other end
E. none of the above
Related Mcqs:
- A hot short metal is_________________?
- A. brittle when cold B. brittle when hot C. brittle under all conditions D. ductile at high temperature E. hard when hot...
- The crest diameter of a screw thread is same as _____________________?
- A. major diameter B. minor diameter C. pitch diameter D. core diameter E. none of the above...
- The shear plane in case of bolts should_________________?
- 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...
- In standard taper roller bearings, the angle of taper of outer raceway is___________________?
- A. 5° B. 8° C. 15° D. 25° E. 40°....
- A tube has the following advantage over pipe_________________?
- A. lighter and easier to handle B. greater shock absorption C. smoother inside walls D. all of the above E. none of the above...
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