Mining Engineering Gate Yearwise 


Mining Engineering Gate 2022 Questions with Answer

Ques 27 GATE 2022

A square pattern of blasting is shown in the figure. For the case of simultaneous blast, identify the zone of no fragmentation P.

A

P

B

Q

C

R

D

S


(c) is the correct answer.

Ques 28 GATE 2022

The correct vertical stress profile in the case of tributary area method for pillar design is

A

I

B

II

C

III

D

IV


(d) is the correct answer.

Ques 29 GATE 2022

The bottom section of a stoping block has dimensions 200 m×40 m. If the modified RMR of rock mass is 50, the appropriate method of mining on the basis of Laubscher's chart in the figure is

A

Shrinkage stoping

B

Cut and fill

C

Block Caving

D

Sublevel stoping


(b) is the correct answer.

Ques 30 GATE 2022

Match the machine with its component. Machine Component

A

P-III, Q-IV, R-I, S-II

B

P-IV, Q-III, R-I, S-II

C

P-III, Q-IV, R-II, S-I

D

P-IV, Q-III, R-II, S-I


(a) is the correct answer.

Ques 31 GATE 2022

Which one of the following is NOT a notifiable disease as per Indian mining legislation?

A

Silicosis

B

Noise induced hearing loss

C

Nystagmus

D

Asbestosis


(c) is the correct answer.

Ques 32 GATE 2022

If the ambient lapse rate is higher than the dry adiabatic lapse rate, the atmosphere is

A

stable

B

neutral

C

unstable

D

strongly stable


(c) is the correct answer.

Ques 33 GATE 2022

Identify the WRONG statement:
The application of controlled air recirculation in an underground work place can

A

increase the air velocity at the work place.

B

lead to increased concentration of contaminants in the work place.

C

require the installation of an additional fan in the system.

D

lead to overall ventilation cost savings.


(b) is the correct answer.

Ques 34 GATE 2022

The correct order of pavement layers for a haul road from top to bottom is

A

Wearing course → Base → Sub base → Sub grade

B

Wearing course → Sub base → Base → Sub grade

C

Wearing course → Sub grade → Sub base → Base

D

Wearing course → Base → Sub grade → Sub base


(a) is the correct answer.

Ques 35 GATE 2022

A mining company produces iron ore and sells to another company. Royalty to be paid is on the basis of

A

quantity of ore produced

B

quantity of ore sold

C

difference between the quantities of ore produced and sold

D

net profit


(b) is the correct answer.

Ques 36 GATE 2022

The cost of a screw compressor with an estimated life of 15 years is 21,00,000. If the depreciation of the compressor charged, using 'sum-of-the-years-digits' method, at the end of 4th year is ₹2,00,000, the salvage value, in is _________. (round off to one decimal place)


(100000.0) is the correct answer.

Ques 37 GATE 2022

A safety device consists of two independent critical components X1 and X2. The failure of any one or both of these components can cause an accident. The failure probabilities of components X1 and X2 are 0.2 and 0.1, respectively. The probability of occurrence of an accident is __________.(round off to two decimal places)


(0.28) is the correct answer.

Ques 38 GATE 2022

In a levelling survey, a reading is taken as 2.25 m. However, along the line of sight there is deflection of 20 cm with respect to vertical position of the staff. The correct reading, in m is ________. (round off to two decimal places)


(2.20) is the correct answer.

Ques 39 GATE 2022

Water flows through a vertical sand column of cross sectional area 4000 mm2 and length 300 mm. For a water head of 600 mm, quantity of seepage water is 100 mm3/min. The hydraulic conductivity of the sand column, in mm/min is _________. (round off to three decimal places)


(0.012) is the correct answer.

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