Mining Machinery - Study Mode

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[#171] The phosphorous percentage in wire ropes . . . . . . . .

(A) 0.4

(B) 0.48

(C) 0.033

(D) 0.014

Correct Answer

(D) 0.014

[#172] The diameter of the groove of the head gear pulley should be . . . . . . . . of the rope diameter for the locked coil ropes.

(A) 80%

(B) 90%

(C) 100%

(D) 110%

Correct Answer

(D) 110%

[#173] The number of units the shear posses . . . . . . . .

(A) 2

(B) 3

(C) 4

(D) 5

Correct Answer

(B) 3

[#174] The cutter boom mounted on . . . . . . . . on the continuous miner.

(A) Barnet

(B) Purret

(C) Surej

(D) Turret

Correct Answer

(D) Turret

[#175] In shaker conveyor which of the following action is observed.

(A) Frictional motion

(B) Cradle movement

(C) Jigging movement

(D) Quick forward and slow backward movement

Correct Answer

(C) Jigging movement