Mining Engineering Gate Yearwise 


Mining Engineering Gate 2022 Questions with Answer

Ques 14 GATE 2022

Mr. X speaks ________ Japanese _________ Chinese.

A

neither/or

B

either/nor

C

neither/nor

D

also/but


(c) is the correct answer.

Ques 15 GATE 2022

A sum of money is to be distributed among P, Q, R, and S in the proportion 5:2:4:3, respectively.
If R gets 1000 more than S, what is the share of Q (in)?

A

500

B

1000

C

1500

D

2000


(d) is the correct answer.

Ques 16 GATE 2022

The figure shows a grid formed by a collection of unit squares. The unshaded unit square in the grid represents a hole.

What is the maximum number of squares without a "hole in the interior" that can be formed within the 4x4 grid using the unit squares as building blocks?

A

15

B

20

C

21

D

26


(b) is the correct answer.

Ques 17 GATE 2022

An art gallery engages a security guard to ensure that the items displayed are protected. The diagram below represents the plan of the gallery where the boundary walls are opaque. The location the security guard posted is identified such that all the inner space (shaded region in the plan) of the gallery is within the line of sight of the security guard. If the security guard does not move around the posted location and has a 360° view, which one of the following correctly represents the set of ALL possible locations among the locations P, Q, R and S, where the security guard can be posted to watch over the entire inner space of the gallery.

A

P and Q

B

Q

C

Q and S

D

R and S


(c) is the correct answer.

Ques 18 GATE 2022

Consider the following square with the four corners and the center marked as P, Q, R, S and T respectively. Let X, Y and Z represent the following operations:
X: rotation of the square by 180 degree with respect to the S-Q axis.
Y: rotation of the square by 180 degree with respect to the P-R axis.
Z: rotation of the square by 90 degree clockwise with respect to the axis perpendicular, going into the screen and passing through the point T.
Consider the following three distinct sequences of operation (which are applied in the left to right order).
(1) XYZZ
(2) XY
(3) ZZZZ
Which one of the following statements is correct as per the information provided above?

A

The sequence of operations (1) and (2) are equivalent.

B

The sequence of operations (1) and (3) are equivalent.

C

The sequence of operations (2) and (3) are equivalent.

D

The sequence of operations (1), (2) and (3) are equivalent.


(b) is the correct answer.

Ques 19 GATE 2022

The closest match of the scatter plot between the variables X and Y with the approximate attribute is

A

PI, Q→II, R→III, S→IV

B

P→II, Q→I, R→IV, S→III

C

P→III, Q→IV, R→I, SII

D

PIV, Q→II, R→III, S→I


(d) is the correct answer.

Ques 20 GATE 2022

Match the rock with its metamorphosed form

A

P-Π, Q-IV, R-I, S-III

B

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

C

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

D

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


(a) is the correct answer.

Ques 21 GATE 2022

Information on Activity-Time duration of a project is provided below

The expected project duration in weeks, is _________. (in integer)


(39) is the correct answer.

Ques 22 Gate 2022

A velocity field in Cartesian coordinate system is expressed as
𝒗 = 𝑥𝚤̂+ 𝑦𝚥̂+ 𝑝(𝑧)𝑘, where 𝑝(0) = 0
If div 𝒗 = 0, 𝑝(𝑧) is

A

0

B

−2𝑧

C

2

D

2z


(b) is the correct answer.

Ques 23 GATE 2022

An underground AC plant requires the delivery of 250 US gpm (15.85 US gpm = 1.0 lps) of chilled water. For this purpose, ice-pellets at 0°C temperature (latent heat of melting, 334 kJ/kg) are mixed with water at 20°C (specific heat 4.18 kJ/kg0C) on the surface. The mixture is adiabatically transported to the underground location such that the water at 7°C becomes available for the AC plant. The requirement of ice-pellets in tonne/hr to meet the design condition, is __________. (round off to two decimal places)


(7.00) is the correct answer.

Ques 24 GATE 2022

A deposit has the grade attribute X∈ with a density function f(x). For a cut-off grade xc, the proportion of the ore in the deposit is given by

A

∫030f(x)dx-∫0xcf(x)dx

B

1/2 ∫030f(x)dx-∫0xcf(x)dx

C

1/2 ∫030f(x)dx+∫0xcf(x)dx

D

∫0xcf(x)dx


(a) is the correct answer.

Ques 25 GATE 2022

The drilling technique applicable for mineral exploration is

A

Percussive drilling

B

Tricone roller drilling

C

Rotary-percussive drilling

D

Diamond core drilling


(d) is the correct answer.

Ques 26 GATE 2022

Identify the WRONG statement: Break-even stripping ratio

A

takes into account the maximum pit slope that is safe.

B

helps in determining the volume of the overburden.

C

presents the maximum possible mine size that is economical.

D

takes into account the life of the mine.


(d) is the correct answer.

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