Introduction To Mining Engineering - Practice Test

[#311] Pocket and wing technique of pillar extraction is relevant to

(A) Room and pillar method

(B) Bord and pillar method

(C) Wongawilli method

(D) Shortwall method

Correct Answer

(A) Room and pillar method

[#312] Who out of the following is not an official but a competent person?

(A) overman

(B) mining sirdar

(C) shotfirer

(D) undermanager

Correct Answer

(C) shotfirer

[#313] In-situ ore of 1.5% Cu got diluted with waste rock of value 0.2% Cu. If the resultant extracted ore has 1.2% Cu. What is the percentage of dilution?

(A) 30

(B) 25

(C) 23

(D) 20

(E) 30

(F) 25

(G) 23

(H) 20

Correct Answer

(A) 30
(E) 30

[#314] P-5 explosives are used for

(A) pre-cut blasting

(B) solid blasting

(C) open cast blasting

(D) over burden blasting

Correct Answer

(B) solid blasting

[#315] Order the followings in decreasing stability of host rock: 1. Block caving 2. Cut & Fill 3. VCR stoping 4. Room & Pillar

(A) 1, 2, 3, 4

(B) 2, 3, 4, 1

(C) 4, 3, 2, 1

(D) 4, 2, 3, 1

Correct Answer

(A) 1, 2, 3, 4

Introduction To Mining Engineering - Study Mode

[#311] Pocket and wing technique of pillar extraction is relevant to

Correct Answer

[#312] Who out of the following is not an official but a competent person?

Correct Answer

[#313] In-situ ore of 1.5% Cu got diluted with waste rock of value 0.2% Cu. If the resultant extracted ore has 1.2% Cu. What is the percentage of dilution?

Correct Answer

[#314] P-5 explosives are used for

Correct Answer

[#315] Order the followings in decreasing stability of host rock: 1. Block caving 2. Cut & Fill 3. VCR stoping 4. Room & Pillar

Correct Answer