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    Details

    • Home
    • FIRST/SECOND CLASS
    • COAL FMC/SMC EXAM PAPERS
    • 2021
    • SCR- MINE SURVEYING DGMS EXAM-2021

    SCR- MINE SURVEYING DGMS EXAM-2021

    • 20-04-2021
    • 5432
    • 0

    Question Paper _ Key of DGMS SECOND CLASS RESTRICTED UNDER CMR - MINE SURVEYING

    1)      Which is the smallest scale?

    A)      1 mm = 2m

    B)      RF = 1/100

    C)      none of these

    D)      1:10000

    E)      1 cm = 10 m

     

    2)      On a change point

    A)      An intersight is taken

    B)      Only a backsight is taken

    C)      Only a foresight is taken

    D)      none of these

    E)      Both foresight and backsight are taken

     

    3)      If the R.L. of a B.M. is 100.00 m, the back- sight is 1.215 m and the foresight is 1.870 m, the R.L. of the forward station is

    A)      100.655 m

    B)      99.345 m

    C)      98.345 m

    D)      100.345 m

    E)      101.870 m

     

    4)      The multiplicative constant in a tacheometer with focal length f and stadia wire interval i, is

    A)      i / f

    B)      none of these

    C)      i x f

    D)      f / i

    E)      i + f

     

    15)    Length of a line measured with a 30 m tape at temperature of 40oC was 200 m. The tape was standardized at a temperature of 30oC. If the coefficient of expansion of tape material is 0.00012/oC, the correct length of the line is

    A)      none of these

    B)      199.76 m

    C)      198.32 m

    D)      201.68 m

    E)      200.24 m

     

    16)      must be carried out in plane table surveying.

    A)      traversing

    B)      orientation

    C)      radiation

    D)      none of these

    E)      resection

     

    17)    Which of the following is not a level?

    A)      Dumpy level

    B)      Wye level

    C)      Miners level

    D)      Tilting level

    E)      None of these

     

    18)    Local attraction in compass surveying may exist due to

    A)      presence of magnetic body near the instrument

    B)      none of these

    C)      incorrect levelling of the magnetic needle

    D)      wearing of the pivot

    E)      loss of sensitivity of magnetic needle

     

    19)    The mid-point of the line joining the points (8,6) and (2,10) is………

    A)      (5,8)

    B)      (4,9)

    C)      (-6,4)

    D)      (10,16)

    E)      (6,-4)

     

    20)    The GPS satellite are moving in space a speed of  approximately

    A)      4 Km/s

    B)      10 Km/s

    C)      6 Km/s

    D)      none of these

    E)      8 Km/s

     

    21)    If shrinkage factor is 10/11 and its RF is 1/100 then shrunk scale will be-

    A)      10.5m

    B)      11m

    C)      None of these

    D)      10.75m

    E)      10m

     

    22)    Given the Whole Circle Bearing (WCB) of a line AB is equal to 320° 30', find the Quadrantal Bearing (QB) of the line BA.

    A)      S 39° 30' E

    B)      S 39° 30' W

    C)      E 39° 30' N

    D)      N 39° 30' W

    E)      N 39° 30' E

     

    23)    The following staff readings were obtained when running a line of levels between two points A and B: 1.08 (A), 2.04, 2.23, and 2.25 (B). The instrument was moved after second reading. If the RL of point A is 100 m, the RL of B would be

    A)      105.37

    B)      none of these

    C)      103.42

    D)      99.02

    E)      100.97

     

    24)    If the reduced bearing of a line AB is N 60° W and length is 100 m, then the latitude and departure respectively of the line AB will be

    A)      none of these

    B)      + 50 m, + 86.6 m

    C)      + 50 m, - 86.6 m

    D)      + 86.6 m, - 50 m

    E)      + 70.7 m, - 50 m

     

    25)    What should be the colour of surface contours shown on the plans maintained under Regulation 65 of the CMR 2017?

    A)      Red

    B)      Green

    C)      Blue

    D)      Burnt Sienna

    E)      Black

     

    26)    The field observations and plotting of the plan proceed simultaneously in

    A)      Contouring

    B)      Plane table surveying

    C)      none of these

    D)      Traversing

    E)      Chain surveying

     

    27)    How many surveyors are statutory required to be appointed under Regulation 34(1) of the CMR 2017 in a large opencast coal mine?

    A)      According to production

    B)      One or more than One

    C)      One

    D)      Five

    E)      Two

     

    28)    Horizontal length of a line measured 150 m at 1 in 2 gradient will be

    A)      150 / 2 X 5

    B)      150 X 2/5

    C)      150 X 5 / 2

    D)      150 X 2 /√5

    E)      none of these

     

    29)    If Horizontal length is H, equivalent of slope is A and slope length is L, which equation is correct?

    A)      H=LTanA

    B)      H=LCosA

    C)      H=LSinA

    D)      H=L CotA

    E)      None of these

     

    30)    In case of opencast workings, plans and sections required to be maintained up to date within           months.

    A)      one

    B)      three

    C)      nine

    D)      six

    E)      twelve

     

    31)    A level is set up at a point 150 metre from A and observed staff reading is 2.525 metre. Find the correct staff reading in metre.

    A)      2.5265

    B)      2.4577

    C)      2.5963

    D)      2.525

    E)      2.5235

     

    32)    In Plane table surveying, the trial and error method is also known as

    A)      Bessel's Method

    B)      Tracing Paper method

    C)      Mechanic method

    D)      Lehmann's Method

    E)      American method

     

    33)    The lower plate of a theodolite is known as

    A)      None of these

    B)      Vertical circle

    C)      Both (A) and (B)

    D)      Horizontal circle

    E)      Main scale plate

     

    34)    The Easting and Northing refer to the

    A)      the profile of the ground in east and north direction

    B)      the slope along east and north direction at any point

    C)      none of these

    D)      the coordinates of a point measured in east and north direction

    E)      the direction of east and north at any point

     

    35)    The method of finding out the difference in elevation between two points for eliminating the effect of curvature and refraction, is-

    A)      None of these

    B)      Differential levelling

    C)      Flying levelling

    D)      Reciprocal levelling

    E)      Precise levelling

     

    36)    The slope correction may be ignored if-

    A)      To slope of the ground is say 1 in 19

    B)      None of these

    C)      The slope of the ground is less than 3°

    D)      Neither (A) nor (B)

    E)      Both (A) and (B)

     

    37)    If the lower clamp screw is tightened and upper clamp screw is loosened, the theodolite may be rotated-

    A)      None of these

    B)      on its inner spindle with a relative motion between the vernier and the graduated scale of lower plate

    C)      on its inner spindle without a relative motion between the vernier and the graduated scale of lower plate

    D)      on its outer spindle with a relative motion between the vernier and graduated scale of lower plate

    E)      on its outer spindle without a relative motion between the vernier and gra-duated scale of lower plate

     

    38)    What is the range of medium range EDM?

    A)      15-25kms

    B)      None of these

    C)      <5kms

    D)      >=25kms

    E)      5-25kms

     

    39)    A plan drawn to a scale of 1:4000 was measured by a scale of 1:5000. The % error in the area measured would be

    A)      None of the Options

    B)      43.75

    C)      25.1

    D)      56.25

    E)      35.2

     

    40)    Quadrantal bearing is always measured from-

    A)      the south end of the magnetic meridian only

    B)      the north end or the south end of the magnetic meridian.

    C)      the north end of the magnetic meridian only

    D)      None of these

    E)      either the north end or the south end of the magnetic meridian as the case may be

     

    41)    Who will be held responsible for not recording the full facts when working of the mine have approached to about 120m from the waterlogged workings in the bound paged book kept for the purpose?

    A)      Owner

    B)      Agent

    C)      Manager

    D)      All of these

    E)      Surveyor, the workings come under whose jurisdiction or of the plans & sections comes under whose charge

     

    42)    Which of the following can be taken by a total station.

    (a)     A horizontal angle

    (b)     A vertical angle

    (c)     The horizontal distance

    (d)     The slope distance

    A)      (a) (b) and (d) only

    B)      (a) (b) (c) and (d)

    C)      (a) and (b) only

    D)      (a) (c) and (d) only

    E)      (a) (b) and (c) only

     

    43)    The errors which are eliminated by repetition method:

             A)            Errors due to eccentricity of Vernier's

             B)            Errors due to in-adjustments of line of collimation

             C)            Errors due to parallax

             D)            Errors due to inaccurate graduation

             E)            Errors due to inaccurate bisection of the object

    A)      A, B, C, E

    B)      A, B, C, D

    C)      none

    D)      A, B, D, E

    E)      A, C, D, E

     

    44)    Closed contours, with higher value inwards, represent a

    A)      plain surface

    B)      depression

    C)      hillock

    D)      valley

    E)      none of these

     

    45)    The max. permissible angular error in seconds in a closed u/g traverse of 16 stations measured with a 20 seconds theodolite is-

    A)      160

    B)      None of these

    C)      80

    D)      200

    E)      120

     49)    The term representative fraction represents

    A)      scale of the map

    B)      none of these

    C)      ratio of distance shown on ground to the map

    D)      ratio of distance shown on map to the ground

    E)      features to be shown on map

     

    50)    The         is the great circle of the earth, the plane of which is at right angles to the axis of rotation of the earth.

    A)      The celestial equator

    B)      The terrestrial equator

    C)      The sensible horizon

    D)      The visible horizon

    E)      the celestial horizon

     

    51)    In a levelling work started from a point of 100.00 m RL, the sum of backsights is 24.20 m and that of foresights is 22.20 m up to a certain point. The RL of the end point is

    A)      146.40 m

    B)      53.60 m

    C)      102.00 m

    D)      none of these

    E)      98.00 m

     

    52)    The dip of the needle at the magnetic pole is

    A)      90°

    B)      none of these

    C)      180°

    D)      0°

    E)      270°

     

    53)    Reiteration method is used for measuring

    A)      volume

    B)      distance

    C)      horizontal angles

    D)      vertical angles

    E)      area

     

    54)    The length of a line measured with 20m chain was found to be 472m. The true length of the line was to be 471m. What is the actual length of the chain?

    A)      None of these

    B)      19.75m

    C)      19.25m

    D)      19.5m

    E)      19m

     

    55)    What will be the Quadrantal bearing of a line whose whole circle bearing is 236°25' ?

    A)      S 43°45' E

    B)      S 56°25' W

    C)      None of these

    D)      S 56°25' E

    E)      N 56°25' W

     

    56)    The bearing of a line PQ is 100° 30' and the angle PQR is 140°. What is the bearing to the line QR?

    A)      60° 30'

    B)      30° 30'

    C)      230° 30'

    D)      none of these

    E)      209° 30'

     

    57)    The true length of a line as per plan found to be 1200 m. The line was measured in the ground with a steel tape of 30 m and found to be 1200.50 m. The tape was

    A)      1.25 cm too short

    B)      1.50 cm too short

    C)      none of these

    D)      1.50 cm too long

    E)      1.25 cm too long

     

    58)    What should be the colour of DYKE shown on the plans maintained under Regulation 65 of the CMR 2017?

    A)      Blue

    B)      Black

    C)      Red

    D)      Green

    E)      Burnt Sienna

     

    59)    A level surface is

    A)      Tangential to the mean surface of the earth and perpendicular to the plumb line

    B)      Tangential to the mean surface of the earth

    C)      Parallel to the mean surface of the earth and perpendicular to the plumb line

    D)      None of the above

    E)      All of the above

     

    60)    The backsight reading on a bench mark of RL 100 m is 1.45 m. If the inverted staff reading on a foresight is (2.23 m), the RL of the foresight roof station is

    A)      98.55 m

    B)      105.13 m

    C)      103.68 m

    D)      none of these

    E)      99.22 m

     

    61)    Can the future HFL of a river change?

    A)      increase

    B)      will be constant for ever

    C)      increase, decrease both

    D)      decrease

    E)      none

    62)    The full dip of a seam is 1 in 4 due south calculate the apparent dip in direction S30°E?

    A)      12°13'

    B)      12°15'

    C)      None of these

    D)      13°12'

    E)      15°13'

    63)    Which of the following statements is correct?

    A)      A plan generally shows horizontal distances whereas a topographical map represents both horizontal and vertical distances

    B)      A plan shows the difference of level between any two points and a topographical map shows only horizontal distances between two points

    C)      Scale of plans are small as compared to topographical maps

    D)      Scale of plans are large as compared to topographical maps

    E)      both A & D

     

    64)    Most important factor in selecting survey stations is

    A)      None of the Options

    B)      intervisibility

    C)      Intervisibility and well-conditioned triangle

    D)      Accessibility and distance

    E)      Distance between two stations

     

    65)    Parallax are eliminated BY:

             A)            Focusing the eye piece

             B)            Levelling up

             C)            Focusing the objective

             D)            Centering

    A)      B & C

    B)      None

    C)      A & B

    D)      C & D

    E)      A & C

     

    66)    The closing error in a closed traverse is adjusted by

    A)      Trapezoidal rule

    B)      Slide rule

    C)      Bowditch’s rule

    D)      Simpson’s rule

    E)      Lehmann's rule

     

    67)    A circular curve has a radius of 200m and deflection angle of 65, the length of the curve is-

    A)      262

    B)      None of these

    C)      235

    D)      221

    E)      227

     

    68)    The area of triangle having 40 m base and 10 m height is equal to…   m2.

    A)      none of these

    B)      80

    C)      200

    D)      800

    E)      400

     

    69)    The best method for estimation of area of the irregular and curved boundary is

    A)      none of these

    B)      Mid ordinate method

    C)      Trapezoidal method

    D)      Average ordinate method

    E)      Simpson’s method

     

    70)    How can remove plans and sections maintained under Regulation 65 of the CMR 2017, from the office of the mine?

    A)      Cannot remove

    B)      With approval in writing of the Regional Inspector

    C)      None of these

    D)      Can remove by keeping a blue print

    E)      With approval in writing of the Manager

     

    71)    If 2 cm on the topographical map represents 1 km on the ground, what would be the R.F?

    A)      none of these

    B)      1: 50000

    C)      1:10000

    D)      1:5000

    E)      1: 100000

     

    72)    Manufacturers specify the accuracy of EDM equipment as

    A)      ±b ± aD mm, b is in ppm of the distance measured, D

    B)      none of these

    C)      ±D ± ba mm, b is in ppm of the distance measured, D

    D)      ±a ± bD mm, b is in ppm of the distance measured, D

    E)      ±D ± ab mm, b is in ppm of the distance measured, D

     

    73)    The eye -piece used in a telescope for astronomical observation or highly inclined shafts, winzes, or raised is-

    A)      Simple eye

    B)      Diagonal eye-piece

    C)      Erecting type eye-piece

    D)      Ramsden eye-piece

    E)      None of these

     

    74)    The radius of curvature of the arc of the bubble tube is generally kept

    A)      none of these

    B)      50 m

    C)      25 m

    D)      10 m

    E)      100 m

     

    75)    When the instruments is correctly leveled then height of plane of collimation is synonymous with-

    A)      Height of instrument

    B)      None of these

    C)      Plus sight

    D)      Intermediate sight

    E)      Turning point

     

    76)    Which surveyor is responsible for preparation and maintenance of plans required to be maintained under CMR 2017, where more than one surveyors are appointed in an opencast coal mine?

    A)      None of these

    B)      Authorised by Owner only

    C)      Authorised by Owner, Agent or Manager

    D)      Authorised by Agent only

    E)      Authorised by Manager only

     

    77)    If 1 circumference = 400g (grads) the unit of angle measurement is

    A)      hours system

    B)      none

    C)      sexagesimal system

    D)      centesimal system

    E)      FPS system

     

    78)    The length of a line measured with a 20m chain was found to be 536m Afterwards it was found that the chain was 0.03m too short. What will be true length of the line ?

    A)      None of these

    B)      568.1

    C)      512.3

    D)      534.7

    E)      523.5

     

    79)    The distance between two stations was measured 995 m and 996 m respectively by a 20 m and 30 m chain. If the 20 m chain was 0.10 m long, what was the error in the 30 m chain?

    A)      0.19 m short

    B)      0.12 m long

    C)      none of these

    D)      0.12 m short

    E)      0.20 m short

     

    80)    If n be the number of sides of the traverse, then the sum of measured exterior angles should be equal to-

    A)      (n-4)*90°

    B)      (n+4)*90°

    C)      (2n-4)*90°

    D)      None of these

    E)      (2n+4)*90°

     

    81)    If d is the smallest value of the main scale and v is the smallest value of the vernier scale, then the least count of the vernier scale is given by-

    A)      none of these

    B)      v-d

    C)      v

    D)      d-v

    E)      d/v

     

    82)    The main principle of surveying is to work from

    A)      Lower level to higher level

    B)      Whole to part

    C)      Part to whole

    D)      both C & D

    E)      Higher level to lower level

     

    83)    The volume of a 6 m deep tank having rectangular shaped top 6 m × 4 m and bottom 4 m × 2 m calculated using prismoidal formula is

    A)      92 cubic meter

    B)      96 cubic meter

    C)      98 cubic meter

    D)      none of these

    E)      94 cubic meter

     

    84)    For a tacheometer the additive and multi-plying constants are respectively

    A)      100 and 100

    B)      0 and 0

    C)      90 and 100

    D)      100 and 0

    E)      0 and 100

     

    85)    If the altitude of the North Pole is 30o, the latitude of that place is

    A)      60o

    B)      1800

    C)      150o

    D)      30o

    E)      330o

     

    86)    In quadrantal bearing system, back bearing of a line may be obtained from its forward bearing, by

    A)      changing the cardinal points, i.e. substituting N for S and E for W and vice-versa

    B)      subtracting 180°, if the given bearing, is more than 180°

    C)      adding 180°, if the given bearing is less than 180°

    D)      adding 90°, if the given bearing is less than 180°

    E)      None of these

     

    87)    Diopter is the power of a lens having a focal length of-

    A)      None of these

    B)      25 cm

    C)      75 cm

    D)      50cm

    E)      100cm

     

    88)    Keeping the instrument height as 1.5m, length of staff 4m, the slope of the ground is 1 in 10, the sight on the down- slope, must be less than-

    A)      15 m

    B)      None of these

    C)      20 m

    D)      30 m

    E)      25 m

     

    89)    The bearings of lines OA and OB are 16° 10’ and 332° 18’ respectively. The value of the included angle BOA is

    A)      316° 10’

    B)      158° 28’

    C)      348° 28’

    D)      43° 52’

    E)      none of these

     

    90)    Reiteration method is used to

    A)      Measure an angle very accurately

    B)      Measure several angles at the same station

    C)      locating an unknown station

    D)      none of these

    E)      Measure an angle very quickly

     

    91)    The three-point problem of plane tabling involves the method(s)

    (i)      Lehmann’s method

    (ii)     Analytical method

    (iii)     Tracing paper method

    (iv)    Radiation method

             Which of the above are correct?

    A)      (i)

    B)      (i), (ii) & (iii)

    C)      none of these

    D)      (i) & (iv)

    E)      (i) & (ii)

     

    92)    A tape of 6 mm2 cross-sectional area was exactly 30 m long at 20°C when graduated on the flat under a pull of 50 N. A survey line was measured with this tape in three span under a pull of 100 N and found to be 900 m. If the modulus of elasticity of the material of the tape is 2.1x105 N/mm2 and the average temperature during measurement was 30o C, the correction for pull is

    A)      -0.03571 m

    B)      0.03571 m

    C)      none of these

    D)      -0.1071 m

    E)      0.1071 m

     

    93)    The smallest possible reading which can be estimated with Wild N3 precise level is

    A)      0.001mm

    B)      0.1mm

    C)      none of these

    D)      0.01mm

    E)      1 mm

     

    94)    What should be the vertical interval of surface contour lines, which is required to be shown on surface plan of a large opencast mine without underground workings?

    A)      Any of these

    B)      5m

    C)      8m

    D)      7m

    E)      10m

     

    95)    A plan represents an area of 93750 sq.m. and measures 6.00cm x 6.25 cm. Find the scale of the plot.

    A)      None of these

    B)      1 in 10000

    C)      1 in 4000

    D)      1 in 5000

    E)      1 in 2000

     

    96)    The horizontal distance between the staff point and point of observation is "d" then the error due to curvature of earth is prepositional to-

    A)      d²

    B)      None of these

    C)      1/d

    D)      D

    E)      1/d²

     

    97)    Which of the following is true about apparent dip?

    (a)     Apparent dip is also called the true dip.

    (b)     Apparent dip is always greater than the true dip.

    (c)     Apparent dip is always less than the true dip

    (d)     Apparent dip may be less than, or equal or greater than the true dip.

    A)      none of these

    B)      only (a)

    C)      only (c)

    D)      only (d)

    E)      only (b)

     

    98)    Curvature correction to the computed volume is applied when-

    A)      the successive cross-sections are not parallel to each other

    B)      the formation levels at the cross-sections are at different levels

    C)      All the above

    D)      the distance between the successive cross-sections is quite large.

    E)      None of these

     

     

    99)    In a triangulation survey, if a triangle has three sides equal to 11 m, 12 m and 15 m the area will be equal to………m2

    A)      75.23

    B)      85.23

    C)      35.13

    D)      45.22

    E)      65.23

     

    100)  The perpendicular offsets taken at 10 m intervals from one end of a chain line to an irregular boundary are 3.06, 4.14, 5.6, 4.86, 6.0, 6.6, 7.8, 6.3 and 7.2 m. The area enclosed between the chain line, the irregular boundary, and the first and last offsets using Simpsons rule is

    A)      456.55 sq. m

    B)      None of the Options

    C)      453.55 sq. m

    D)      455.53 sq. m

    E)      545.53 sq. m


    CLCIK ME TO DOWNLOAD Question Paper _ Key of SECOND CLASS RESTRICTED UNDER CMR - MINE SURVEYING




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