71. The length of splice is nearly . . . . . . . . for 13 mm diameter rope.
72. Speed of the chain conveyor in AM 50 . . . . . . . . m/sec.
73. Ropes used for Dozer are . . . . . . . .
74. The space factor for locked coil rope is . . . . . . . .
75. Which type of cables are used in portable and transportable apparatus.
76. Rope becomes fatigue due to repeated application of stress, called . . . . . . . .
77. Jack hammer drill also called . . . . . . . .
78. Coal cutting machine is powered by . . . . . . . .
79. The excessive wear of the winding rope is caused by the angle of contact is . . . . . . . . on the pulley.
80. CCM cut face gives better.
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