61. If the wire rope used in wet conditions, it should be . . . . . . . .
62. Rope is built up of strands and each strand consists of number of concentrically twisted wire laid in the form of halex round a central steel wire called . . . . . . . .
63. Six standed rope the space factor is between . . . . . . . .
64. It is the measure of energy increases per unit weight of liquid imparted to the liquid by the pump called . . . . . . . .
65. Number of cage chains in case of tandem cage . . . . . . . .
66. Lashing chain employed . . . . . . . . type of endless haulage.
67. Keps can be used in Koepe winder.
68. Under standard temperature and pressure conditions, the theoretical maximum height in meters to which water can be lifted using an air lift pump is . . . . . . . .
69. The head gear of . . . . . . . . are phibited by law.
70. The reason for langs lay rope never be used it gives to rope to . . . . . . . .
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