GATE MN topic:mining PYQs & Answers — Page 46

Questions 451–460 of 650. Imported answers require independent review unless marked reviewed.

Topic practice 650 questionsPage 46 of 65

A steel cube of side 50 mm is subjected to a uniform pressure of 200 MPa acting on each face. The Young’s modulus and Poisson’s ratio of the material are 200 GPa and 0.25, respectively. The decrease in the side of the cube in mm is ________ (round off to 3 decimal places).

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In the figure shown below, the friction coefficient between the block and the inclined plane is 0.2, and all the pulleys are weightless. The weight of the block is 10 N. The minimum force P in Newtons that is needed to slide the block up the inclined plane is ________ (round off to 2 decimal places).

Diagram for Mining Engineering question 52

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An assignment problem is given below with the cost of assignment as shown.

Group	T1	T2	T3	T4
G1	6	10	5	4
G2	4	100	6	4
G3	6	9	6	2
G4	3	7	6	4

If only one task can be assigned to one group, the minimum cost of assignment is ________.

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A vertical stope block of length 60.0 m, height 40.0 m, and average width 1.5 m has sharp boundary walls. However, the mining width of the stope block is 2.0 m. The tonnage factors are 3.0 tonne/m

for ore and 2.5 tonne/m

for wall rocks. The average grade of ore is 10.0%. The overall grade of ore mined on account of dilution in percentage is ________ (round off to 2 decimal places).

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A bauxite ore body has four boreholes as shown below. For each borehole, the grade of alumina, the thickness of the ore body, and the triangular area of influence are shown.

Diagram for Mining Engineering question 55

The average grade of ore body in the region ABCD in percentage is ________ (round off to 1 decimal place).

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John Thomas, an ______ writer, passed away in 2018.

Your answerChoose one option.

imminent

prominent

eminent

dominant

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_____ I permitted him to leave, I wouldn’t have had any problem with him being absent, _____ I?

Your answerChoose one option.

Had, wouldn’t

Have, would

Had, would

Have, wouldn’t

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A worker noticed that the hour hand on the factory clock had moved by 225 degrees during her stay at the factory. For how long did she stay in the factory?

Your answerChoose one option.

3.75 hours

4 hours and 15 mins

8.5 hours

7.5 hours

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The sum and product of two integers are 26 and 165 respectively. The difference between these two integers is _____.

Your answerChoose one option.

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The minister avoided any mention of the issue of women’s reservation in the private sector. He was accused of ______ the issue.

Your answerChoose one option.

collaring

skirting

tying

belting

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GATE MN topic:mining PYQs

Question 51

Question 52

Question 53

Question 54

Question 55

Question 1

Question 2

Question 3

Question 4

Question 5