DGMS EXAM SMU- MINE SURVEYING 20 DEC 2021
SECOND CLASS SURVEY METAL UR 20 DEC 2021
1. The instruments used for setting out off sets are
a) cross staff
b) Optical square
c) Prism square
d) All the options
e) None of the options
2. The reading taken at change point are
a) Back sight
b) Intermediate sight
c) Fore sight
d) Both A and C
e) None of the options
3. Best example of well conditioned triangle is
a) Equilateral triangle
b) Isosceles Triangle
c) Right angle triangle
d) All the options
e) None of the options
4. The colliery triangulation is known as
a) Primary Triangulation
b) Secondary Triangulation
c) Terilary triangulation
d) All the options
e) None of the options
5. The instrument used for the standardization of linear measuring instruments is
a) Steel tape
b) Metallic tape
c) Invar tape
d) Cloth tape
e) None of the options
6. Small errors land to be ____ frequent than the large one.
a) more
b) less
c) equal
d) not equal
e) none of these
7. If a metal mine is abandoned over a period exceeding 4 months an Abandoned Mine Plan has to be submitted to the Chief Inspector within ___ days
a) 45
b) 60
c) 90
d) 30
e) none of these
8. What is contour interval ?
a) difference in R.L. between any two consecutive contours
b) horizontal distance between two consecutive contour lines
c) slope distance between two consecutive Contours
d) spacing between two successive contour labels
e) None of these
9. In an underground every important surface feature like railways, road etc lying within ____ metre of any part of the workings measured on the horizontal plane shall be shown.
a) 120
b) 200
c) 100
d) 60
e) 7.5
10. The angle between the Magnetic north and field north direction is known as
a) Declination
b) Local Attraction
c) Fore bearing
d) Back bearing
e) None of the option
No comments added yet!