1. The equation applicable to pressure loss in laminar flow of fluid . . . . . . . .
2. The wire rope factory receives from rolling mills coils of steel rods of . . . . . . . . diameter formed from steel ingots by repeated hot rolling.
3. Oremerod detaching hook consists of . . . . . . . . plates.
4. The number of impellers on the pump shaft does not exceed . . . . . . . . in order to prevent bending and reducing the length.
5. The angle between the vertical plane of the winding sheare and the rope when the cage is pit top or pit bottom called . . . . . . . .
6. In deep shaft, if drum winder used, it may be necessary to consider double layer coiling rope in order to accommodate all the rope on the drum and the fleet angle limited to . . . . . . . .
7. The haulage arrangement that operates between the working face and main loading points called . . . . . . . .
8. The ratio between load to effort is called . . . . . . . .
9. If the wire rope is coated with molten zinc called as . . . . . . . .
10. Steel rigid guides made of . . . . . . . .
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