When it is not possible to chain round the obstacle e.g. a river. This case comes under which among the three kinds of obstacles to chaining? Options: A . &nbspobstacles to ranging but not chaining B . &nbspobstacles to chaining but not ranging C . &nbspobstacles to levelling D . &nbspobstacles to ranging and chaining

When it is not possible to chain round the obstacle e.g. a river. This case come

Question

When it is not possible to chain round the obstacle e.g. a river. This case comes under which among the three kinds of obstacles to chaining?

Options:

A . obstacles to ranging but not chaining

B . obstacles to chaining but not ranging

C . obstacles to levelling

D . obstacles to ranging and chaining

Answer: Option B
Answer: (b).obstacles to chaining but not ranging

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Question 1. To continue a survey line AB past an obstacle, a line BC 300 m long was set out perpendicular to AB and from C angles BC....at 60° and 45° respectively. Determine the obstructed length BE?

Question 2. If we select two points A and B on either side of the obstacle and equal perpendiculars AC and BD are set out. Then AB i....and BD are set out. Then AB is equal to?

Question 3. To continue a survey line AB past an obstacle, a line BC 100 m long was set out perpendicular to AB and from C angles BC....CD in order that ED may be in AB produced?

Question 4. To continue a survey line AB past an obstacle, a line BC 100 m long was set out perpendicular to AB and from C angles BC....CE in order that ED may be in AB produced?

Question 5. Which of the following is not a part of the prismatic compass?....

Question 6. Which of the following is the most convenient and portable instrument for direct measurement of directions?....

Question 7. In which of the following compass needle does not act as an index?....

Question 8. In prismatic compass needle is of edge bar type.....

Question 9. In which of the following compass graduated card ring is attached with the needle?....

Question 10. In prismatic compass, graduations are in W.C.B system.....

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