Mine Surveying - I Mid - I, September - 2014

1.Which of the following conventional methods of surveying would result in the most accurate plan
  • chain/tape triangulation
  • traverse survey with theodolite
  • tacheometric survey with theodolite
  • thedolite triangulation
Answer: A
2.Which of the following conventional methods of surveying is commonly used for preparation of contour plans
  • chain/tape triangulation
  • traverse survey with theodolite
  • heodolite triangulation
  • tacheometric survey with theodolite
Answer: B
3.Shrinkage factor is the ratio b/w
  • shrinkage length to actual length
  • actual length to shrinkage length
  • actual length to shrinkage scale
  • none
Answer: A
4.True distance=
  • (incorrect length/correctlength)×measured distance
  • (correct length/incorrectlength)×measured distance
  • a&b
  • none
Answer: A
5.True length=
  • (RF of wrong scale/RF of correct scale)×measured length
  • (RF of correct scale/RF of wrong scale)×measured length
  • a&b
  • none
Answer: A
6.The longest of the chain lines used in making a survey is generally regarded as
  • triangular line
  • base line
  • tie line
  • offset line
Answer: B
7.Preliminary inspection of the area to be surveyed is called
  • triangulation
  • reconnaissance
  • staffing
  • marking
Answer: B
8.The art of determining the relative heights or elevations of points or objects on the earth surface is known as
  • leveling
  • reconnassing
  • staffing
  • checking
Answer: A
9.Which of the following is not a level
  • dumpy level
  • wye leve
  • tilting leve
  • miners level
Answer: D
10.Pick out the disadvantage for plane tabling
  • suitable for preparing small scale maps
  • it is most rapid
  • not suitable for work in wet climate
  • contours and irregular objects may be represented accurately
Answer: C
11.It is a minor instrument capable of measuring angles upto 120* and reads to 1minute___________________
Answer: box sextant
12.Theodolite can measure angles __________________ and ____________________
Answer: horizontal,vertical or vertical,horizontal
13.The tape that is used for measuring base line in triangulation to get highest precision is________________
Answer: invar tapes
14.A tape 100m is held 1.5m out of line.what is the true length____________________
Answer: 99.98
15.The horizontal angle b/w true meridian and a line is_________________
Answer: azimuth
16.It is a graphical method of surveying in which the field work and plotting are done simultaneously__________________
Answer: plane tabling
17.In work of ordinary precisions the type of error that is negligible is_________________
Answer: natural error
18.The leveling in which the change in atmospheric pressure is recorded is known as____________
Answer: barometric levelling
19.__________________is defined as the fixed reference point of known elevation
Answer: bench mark
20.The inclination of a bed from horizontal dip observed in any direction and necessarily lesser than the full dip is_______________
Answer: apparent dip