51. A dimension less number used to characterise the turbo machinery, normalises impellars to in revolutions per minute to that of a geometrically similar impeller, if it where to deliver 1 gallon per minute against 1 foot of hydraulic head . . . . . . . .
52. All the chains must be connected at least once in . . . . . . . . months.
53. In a few cases a Jack hammer may be mounted on . . . . . . . .
54. 'Marrying' the word used in . . . . . . . .
55. In squiral cage motor and slip ring induction motor . . . . . . . . is similar.
56. On level road or raising in bye the tension bogey of endless haulage should be placed near the . . . . . . . .
57. A cage which can accommodate two tubes called . . . . . . . .
58. Detaching hooks are not employed in . . . . . . . . winding.
59. Rock and pinion is used for . . . . . . . .
60. Now a days use of CCM has become obsolate due to introduction of
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