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MCQs

Total Questions : 43 | Page 2 of 5 pages
Question 11. Microwave EDM instrument requires two instrument stations.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 12. What among the following indicates the range of Geodimeter?
  1.    20 km
  2.    30 km
  3.    25km
  4.    35 km
 Discuss Question
Answer: Option C. -> 25km
Answer: (c).25km
Question 13. The wavelength of I.R in infra-red instruments is about___________
  1.    0.6 * 10⁻⁶ m
  2.    1.0 * 10⁻⁶ m
  3.    0.7 * 10⁻⁶ m
  4.    0.9 * 10⁻⁶ m
 Discuss Question
Answer: Option D. -> 0.9 * 10⁻⁶ m
Answer: (d).0.9 * 10⁻⁶ m
Question 14. Frequency modulation is used in the case of visible light EDM.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 15. Which among the following EDM instruments are capable of producing output with less expenditure?
  1.    Microwave instruments
  2.    Cosmic ray instruments
  3.    Visible light instruments
  4.    Infra-red instruments
 Discuss Question
Answer: Option D. -> Infra-red instruments
Answer: (d).Infra-red instruments
Question 16. Calculation the elevation difference if the vertical distance is 14.89m, instrument height is 9.2m, ground is at 2.8m.
  1.    21.29 m
  2.    12.29 m
  3.    21.92 m
  4.    41.29 m
 Discuss Question
Answer: Option A. -> 21.29 m
Answer: (a).21.29 m
Question 17. Find the vertical distance if the value of slope distance can be given as 12.98 and the angle is 1˚23ꞌ.
  1.    21.97m
  2.    12.97m
  3.    12.79m
  4.    21.79m
 Discuss Question
Answer: Option B. -> 12.97m
Answer: (b).12.97m
Question 18. Find the elevation of ground beneath the reflector, if the known elevation of instrument is 12.76m, slope distance = 3.76m, angle is about 3˚43ꞌ, instrument height = 2.93m, ground is at 0.987 m.
  1.    18.54m
  2.    81.54m
  3.    18.45m
  4.    18.97m
 Discuss Question
Answer: Option C. -> 18.45m
Answer: (c).18.45m
Question 19. Modern EDM uses which among the following waves?
  1.    Visible rays
  2.    Thermal infra-red
  3.    Modulated infra-red
  4.    Radio waves
 Discuss Question
Answer: Option C. -> Modulated infra-red
Answer: (c).Modulated infra-red
Question 20. Find the value of D if the wave length of the wave is 40m, n=2 m and the angles are given as θ₁ = 0˚, θ₂ = 180˚.
  1.    50m
  2.    40m
  3.    20m
  4.    10m
 Discuss Question
Answer: Option A. -> 50m
Answer: (a).50m

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