Mining Machinery - Study Mode

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[#216] The tubs attached to the rope by clips at regular intervals by this haulage . . . . . . . .

(A) Endless

(B) Gravity

(C) Main and tail

(D) Direct rope haulage

Correct Answer

(A) Endless

[#217] The shearing drum canbe raised or lowered in a vertical plane with the help of a . . . . . . . .

(A) Turret

(B) Boom

(C) Head

(D) Control unit

Correct Answer

(B) Boom

[#218] The ratio between drum dia to the rope dia is called . . . . . . . .

(A) Fill factor

(B) Factor of safety

(C) Capacity factor

(D) Bending factor

Correct Answer

(D) Bending factor

[#219] Space factor of locked coil rope is . . . . . . . .

(A) 30 - 40%

(B) 40 - 50%

(C) 50 - 60%

(D) 75%

Correct Answer

(D) 75%

[#220] The Alluminium body of the coal drill weights . . . . . . . .

(A) 17.5 kgf

(B) 23 kgf

(C) 21.5 kgf

(D) 24 kgf

Correct Answer

(A) 17.5 kgf