Coal India (CIL) Management Trainee (MT) Question Papers on Mining Engineering

Coal India (CIL) Management Trainee (MT) Question Papers on Mining Engineering

 

Q1: Run away switch is used in connection with

E. Direct rope Haulage

F. Endless Haulage

G. Gravity Haulage

H. Tail rope Haulage

Correct Answer: A

Q2: Side Discharge Loader is a

A. Crawler mounted machine

B. Tyre mounted machine

C. Both A and B

D. Rail mounted machine

Correct Answer: A

In a surface mine, sound pressure level at a location generated by operation of a dozer and a

drill respectively are 80 dBA and 60 dBA, when operated independently. The sound pressure

generated by the dozer compared to the drill is higher by a factor of

(A) 10

(B) 20

(C) 100

(D) 200

Answers- A

As per the Indian Electricity Rules 1956, the maximum permissible length of a flexible cable

used with an electric rope shovel in m is

(A) 100

(B) 200

(C) 300

(D) 500

Answers- C

The equipment that is NOT used in hard rock metal mining drivage is

(A) road header

(B) drill jumbo

(C) jack hammer

(D) dint header

Answers- D

The roof bolt that follows the principle of point anchorage is

(A) expansion shell bolt

(B) full column grouted bolt

(C) split set bolt

(D) swellex bolt

Answers- A

Equipment used in mining of placer deposits is

(A) auger

(B) wagon drill

(C) rope saw

(D) riffle box

Answers- D

A dump truck powered by 350 kW engine is running at a speed of 35 km/h. Considering the

transmission efficiency of the truck as 85%, the rim pull of the truck in kN is

(A) 21

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(B) 31

(C) 41

(D) 51

Answers- B

Nystagmus is a miner’s disease associated with

(A) lever

(B) lung

(C) eye

(D) stomach

Answers- C

Apart from mining of coal, the longwall mining method has been practiced for mining the

deposits of

(A) copper

(B) lead and zinc

(C) manganese

(D) pyrite and phosphate

Answers- D

The three segments, whose synchronous functioning is essential for GPS operations, are

(A) space, control and user

(B) signal, control and user

(C) space, control and geo-registration

(D) signal, control and geo-registration

Answers- A

When a double ended ranging drum shearer cuts coal in a longwall face,

(A) both the drums rotate in the same direction keeping the front drum up and the rear drum

down

(B) both the drums rotate in the opposite direction keeping the front drum up and the rear

drum down

(C) both the drums rotate in the opposite direction keeping the front drum down and the rear

drum up

(D) both the drums rotate in the same direction keeping the front drum down and the rear

drum up

Answers- B

Continuous miner and shuttle car combination is NOT applicable in mining with

(A) rib pillar extraction technique

(B) Wangawilli system

(C) room and pillar method

(D) longwall method

Answers- D

Contours in a topographic map

(A) are not closed upon themselves although the earth is a continuous surface

(B) are not perpendicular to the direction of maximum slope

(C) provide an indication of presence of valley or ridge in the area

(D) are the lines joining the points of same declination at different elevations

Answers- C

A Dragger Gas Mask DOES NOT filter

(A) watervapour

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(B) nitrous fumes

(C) carbon monoxide

(D) carbon dioxide

Answers- B

A system consists of four elements A, B, C and D which are connected functionally in a

parallel configuration. The individual reliability of the elements is 0.80, 0.82, 0.85 and 0.90

respectively. The reliability of the system is

(A) 0.498

(B) 0.602

(C) 0.750

(D) 0.999

Answers- D

The blasting technique used for controlled throw of overburden is known as

(A) cast blasting

(B) coyote blasting

(C) plaster shooting

(D) pop shooting

Answers- A

The stoping method, where a large part of blasted ore is allowed to accumulate in the stope

to serve the purpose of providing working platform for stoping as well as to support the wallrock,

is known as

(A) shrinkage stoping

(B) cut and fill stoping

(C) square-set stoping

(D) sublevel stoping

Answers- A

 

 

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