Survey Adjustments And Theory Of Errors(Surveying ) Questions and Answers
Question 1. Most probable value determines certain observations. Which among them will give accurate value?
Direct observation with unequal weights
Indirect observation with weights
Direct observation with weights
Observation with condition equation
Explanation:-
Answer: Option D. -> Observation with condition equation Answer: (d).Observation with condition equation
Question 2. Determine the most probable value of B from the equations B = 65˚21ꞌ40ꞌꞌ weighing 3 and 2B = 132˚40ꞌ20ꞌꞌ weighing 2.
141˚18ꞌ52.7ꞌꞌ
114˚18ꞌ52.7ꞌꞌ
114˚8ꞌ52.7ꞌꞌ
411˚18ꞌ52.7ꞌꞌ
Explanation:-
Answer: Option B. -> 114˚18ꞌ52.7ꞌꞌ Answer: (b).114˚18ꞌ52.7ꞌꞌ
Question 3. From which of the following cases, the value of most probable value can be easily determined?
Indirect method
Direct method
Method of correlates
From observations
Explanation:-
Answer: Option C. -> Method of correlates Answer: (c).Method of correlates
Question 4. From the set of observations (1.87+ 9.73+ 9.22), find the most probable value. The weights of the observations are given as 4, 7, 9 respectively.
2.97
9.72
7.92
7.29
Explanation:-
Answer: Option C. -> 7.92 Answer: (c).7.92
Question 5. Find the most probable value with the observations 2.76, 4.32, 9.87, 8.83 having equal weights.
6.45
6.54
4.65
5.46
Explanation:-
Answer: Option A. -> 6.45 Answer: (a).6.45
Question 6. The laws of weight are established on the basis of____________
Observed equation
Normal equation
Least squares
Probability equation
Explanation:-
Answer: Option C. -> Least squares Answer: (c).Least squares
Question 7. In the laws of weight, weight is inversely proportional to length.
True
False
May be True or False
Can't say
Explanation:-
Answer: Option A. -> True Answer: (a).True
Question 8. Weight of the equation remains unchanged even when the signs in the equation are changed.
True
False
May be True or False
Can't say
Explanation:-
Answer: Option A. -> True Answer: (a).True
Question 9. Find the arithmetic mean if the angles and their weights were given as 20˚42ꞌ3ꞌꞌ, 20˚42ꞌ4ꞌꞌ, 20˚42ꞌ6ꞌꞌ and 2, 2, 2 respectively.
20˚42ꞌ6.3ꞌꞌ
20˚42ꞌ5.3ꞌꞌ
20˚42ꞌ1.3ꞌꞌ
20˚42ꞌ4.3ꞌꞌ
Explanation:-
Answer: Option D. -> 20˚42ꞌ4.3ꞌꞌ Answer: (d).20˚42ꞌ4.3ꞌꞌ
Question 10. Determine the weight of the weighted arithmetic mean if the angles and their weights are given as 40˚56ꞌ2ꞌꞌ, 40˚56ꞌ7ꞌꞌ, 40˚56ꞌ12ꞌꞌ and 5, 4, 9 respectively.
