Introduction To Mining Engineering - Study Mode

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[#176] Who out of the following is duly appointed in writing by the Manager as competent person to supervise the operation, plant or equipment?

(A) Shotfirer

(B) Surveyor

(C) Ventilation officer

(D) Safety officer

Correct Answer

(A) Shotfirer

[#177] As per MMR 1961, mine plan of a mine having large opencast working shall be on a scale having a representative factor of

(A) 200 : 1

(B) 2000 : 1

(C) 1000 : 1

(D) 4000 : 1

Correct Answer

(B) 2000 : 1

[#178] Match the following: Mining system Face supports a. Mechanized longwall in flat seam 1. Cable bolting b. Blasting gallery method 2. Shield support c. Mechanized longwall in steep seam 3. Alpine breaker line support d. Wangawilli method for 3 m thick coalseam 4. Troika shield support

(A) a-2, b-1, c-4, d-3

(B) a-4, b-1, c-3, d-2

(C) a-4, b-2, c-3, d-1

(D) a-2, b-3, c-4, d-1

Correct Answer

(A) a-2, b-1, c-4, d-3

[#179] Which of the following excavator will be used for a bench height of 20 m to 30 m in soft rock formation?

(A) drag line

(B) shovel

(C) payloader

(D) bucket wheel excavator

Correct Answer

(D) bucket wheel excavator

[#180] Resuing stoping method is adopted when ore body is

(A) Flat and thick

(B) Very steep and thick

(C) Flat and thin

(D) Very steep and thin

Correct Answer

(D) Very steep and thin