Introduction to Mining Engineering MCQs Questions & Answers | Mining Engineering

A. 0.5%

B. 1%

C. 2%

D. 3%

A. it is a weak zone of the mine

B. a slip or fault plane is the line of fracture of strata & very difficult to hold it

C. it indicates the weaker section of the district

D. none of them

A. underground haulage

B. locomotive

C. belt conveyor

D. scraper chain conveyor

A. room and pillar mining

B. shrinkage stoping

C. sublevel stoping

D. cut and fill stoping

A. less than 1 cu.m/ton of coal produced

B. more than 1 cu.m. but less than 5 cu.m

C. more than 1 cu.m. but less than 10 cu.m

D. more than 10 cu.m

A. detonator

B. explosive

C. coal cutting machine

D. side discharge loader

A. 100

B. 200

C. 300

D. 500

A. travelling road

B. gallery

C. drift

D. haulage road

A. expansion shell bolt

B. full column grouted bolt

C. split set bolt

D. swellex bolt

A. it usually starts when the tensile stress in a certain point of the roof over the gob exceeds its tensile strength

B. it starts when rocks over the gob area are in compression

C. it starts when the thickness of immediate roof increases

D. it usually starts when the tensile stress remains less or equal to the tensile strength