Mine Legislation | MCQ Multiple Choice Questions (51 - 60)

Mine Legislation | MCQ Multiple Choice Questions (51 - 60)

QUESTIONS 

51)  If the mine wherein 1600 persons are ordinarily employed, the number of Workmen Inspector required as per as per Rule 29 Q of Mines Rules 1955.a) 2                              b) 3                        c) 4                        d) 5

52)  The gradient of road is 1 in 16 , convert into degrees (θ) =

1. a) Sin -1  (1/16)          b) Cos  -1 (1/16)   c)  Cot -1  (1/16)   d) Tan  -1  (1/16)

53)  Pit slope is the angle made by the imaginary line joining the –

1. e) Top most crest of the bench to bottom most toe of the

1. f) Top most toe of the bench to the bottom most toe of the benc

1. g) Top most crest of the bench to bottom most crest of the

1. h) Average of the all bench angle

54)  As per 106 of MMR 1961, No tree, loose stone or debris shall remain within a distance of ——— from the edge or side of excavation.

1. a) 5 m                         b)     4 m                c) 3 m                  d) 2 m

55)  If the percentage of free respirable silica present is 10% in the atmosphere , what is the permissible limit of free silica in milligrams per cubic meter of air sampled.

1. a)  1.5                           b) 3                       c) 10                      d) 5

56)  As per 173 of MMR 1961, the hydraulic test for the air receiver to be done at a pressure of at least —- times the maximum permissible working pressure.

2. a) 2 times b) 2.5 times         c) 3 times             d) 1.5 times

57)  Which of the following is correct statement?

1. Medical certificates should be retained for 5 years from the date of medical examination

1. Medical certificates should be retained as long as the person employed in mine.

1. Medical certificates should be maintained as long as the person employed and 10 years thereafter.

1. Medical certificates should be maintained as long as the person employed and 5 years thereafter.

58)  The annual returns submitted to the DGMS as per – First Schedule of which form?

1. a) Form –I                  b) Form – II          c) Form – III         d) Form – IV

59)  Which of the following are the competent persons?

1. a) Blaster                    b) wheel loader operator               c) Tipper Operator            d) All are correct

60)   Full form of DGPS?

1. a) Differential Global position set.

1. b) Digital Geo positioning system.

1. c) Data Geometrical positioning system

1. d) Differential Global positioning system.

Answers

51b

52d

53a

54c

55a

56d

57c

58c

59d

60d

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