GATE MN branch:mn PYQs & Answers — Page 60

Questions 591–600 of 650. Imported answers require independent review unless marked reviewed.

Topic practice 650 questionsPage 60 of 65

If only two members form a truss joint and no external load or support reaction is applied to the joint, the members

Your answerChoose one option.

have infinite force

have equal but opposite force

are zero-force members

have unequal forces

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A multi-point borehole extensometer is used to monitor

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convergence between the roof and the floor

strain between fixed points along a borehole

strain between the anchor point and the reference point on the surface

changing distances between fixed points along a borehole

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The failure load of a point load test specimen having diameter 45 mm is 6000 N. The uncorrected point load index in MPa is ________

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The beam shown in the figure is hinged at one end and rested on a roller at the other end. The free body diagram of the system is

Diagram for Mining Engineering question 9

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Diagram for Mining Engineering question 9 (figure 2)

Diagram for Mining Engineering question 9 (figure 3)

Diagram for Mining Engineering question 9 (figure 4)

Diagram for Mining Engineering question 9 (figure 5)

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Minerals A and B are produced from a deposit. Minerals A and B will be called coproducts if

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economics of mining depends upon the extraction of either mineral A or B

economics of mining depends upon the extraction of both the minerals A and B

mineral B is produced economically and mineral A is an additional benefit

minerals A and B are produced in equal quantity

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Semi-variogram modeling is used for reserve estimation of mineral deposit by

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polygonal method

distance weighting method

geostatistical method

nearest neighbor method

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Which one of the following does NOT belong to the direct operating cost of a mine?

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Administrative cost

Royalty

Fuel cost

Explosive cost

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Lane's algorithm is applied to determine

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mill cut-off grade

mine production rate

operating cost

ultimate pit

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In an underground coal mine a driller, wearing personal protective equipment, was going to workplace along the traveling roadway. A piece of rock fell down from the roof and hit the person on head causing serious injury. The cause of accident is

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unsafe act of the driller

job stress

unsafe act and unsafe condition

unsafe condition

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In a PERT network, the “time estimates” of an activity are the following: Optimistic time - 2 days, Most likely time - 4 days, and Pessimistic time - 12 days. The expected time and standard deviation of the activity in days are respectively

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6.0 and 2.78

5.0 and 1.66

6.0 and 1.66

5.0 and 2.78

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GATE MN branch:mn PYQs

Question 6

Question 7

Question 8

Question 9

Question 10

Question 11

Question 12

Question 13

Question 14

Question 15