Mining Machinery - Study Mode
[#246] . . . . . . . . of the circumferance of the rope is in contact with the groove of the head gear pulley.
Correct Answer
(B) $$frac{1}{3}$$
[#247] The plates in oremerod safety hook is assembled on a centre pivot and a copper rivet . . . . . . . . mm diameter passes through a small hole of all the plates when assembled.
Correct Answer
(C) 16
[#248] The length of splice is nearly . . . . . . . . for 13 mm diameter rope.
Correct Answer
(B) 6 - 9 m
[#249] Speed of the chain conveyor in AM 50 . . . . . . . . m/sec.
Correct Answer
(C) 1.1 m/sec
[#250] Ropes used for Dozer are . . . . . . . .
Correct Answer
(A) Regular lay