This set of Surveying Multiple Choice Questions & Answers (MCQs) focuses on “Chain Folding, Unfolding, Adjustment, Degree of Accuracy – 1”.
1. Process of fixing or establishing intermediate points is known as _______
a) Chaining
b) Ranging
c) Contouring
d) Levelling
View Answer
Explanation: If the length of the survey line exceeds the length of the chain, some intermediate points will have to establish in line with two terminal points before chaining is started. The process of fixing or establishing such intermediate points is known as Ranging.
2. Direct ranging is done when the two ends of the survey lines are _______
a) Invisible
b) Intervisible
c) Visible from a particular point
d) Faraway from each other
View Answer
Explanation: Direct ranging is the type of ranging in which the two points for ranging are chosen in such a way that they are intervisible. If two points chosen are not intervisible then indirect ranging is done.
3. If rapid sweep with right hand signaled by surveyor then action by the assistant is _______
a) Move slowly to the right
b) Move considerably to the right
c) Continue to move to the right
d) Plumb the rod to the right
View Answer
Explanation: Rapid sweep by the surveyor implies move considerably. Right hand of the surveyor implies that the assistant has to move right side.
4. If right hand extended by surveyor then action by the assistant should be ______
a) Move slowly to the right
b) Move considerably to the right
c) Continue to move to the right
d) Plumb the rod to the right
View Answer
Explanation: Extended hand of the surveyor implies that the assistant should continue to move. Right hand of the surveyor implies that the assistant has to move right side.
5. Right arm up and moved to the right by the surveyor then the action of assistant should be ________
a) Move slowly to the right
b) Move considerably to the right
c) Continue to move to the right
d) Plumb the rod to the right
View Answer
Explanation: Arm up and moved by the surveyor implies that the assistant has to plumb the rod. Right hand of the surveyor implies that assistant has to move right side.
6. If both hands above head and then brought down by the surveyor then the action of an assistant is _________
a) Move slowly forward
b) Move considerably backward
c) Correct
d) Wrong
View Answer
Explanation: It is the signal referred by the surveyor to correct the assistant position. If both hands above head and then brought down by the surveyor then assistant should move considerably backward.
7. The more experienced of the chainmen should be ________
a) Rear end
b) Intermediate end
c) Final end
d) Leader
View Answer
Explanation: Other chainmen holding the forward handle is known as the leader. More experienced chainmen mainly refer to the surveyor. He should always preferred to be at a rear end.
8. The chainmen keeps both the handles in the right hand and throws the rest of the portion of the chain in the forward direction with his right hand to _________
a) Mark the chain
b) Line the chain
c) Unfold the chain
d) Fold the chain
View Answer
Explanation: To Unfold the chain, the chainmen keeps both the handles in the right hand and throws the rest of the portion of the chain in the forward direction with his right hand. The other assists in removing the knots etc and in making the chain straight.
9. If rapid sweep with left hand by surveyor then action by assistant is ________
a) Move slowly to the left
b) Move considerably to the left
c) Continue to move to the left
d) Plumb the rod to the left
View Answer
Explanation: Rapid sweep by the surveyor implies that assistant should move considerably. Left hand of the surveyor implies that assistant has to move left side.
10. If left hand is extended by surveyor then action by the assistant should be _________
a) Move slowly to the left
b) Move considerably to the left
c) Continue to move to the left
d) Plumb the rod to the left
View Answer
Explanation: Extended hand of the surveyor implies that the assistant should continue to move. Left hand of the surveyor implies that the assistant has to move left side.
11. Left arm up and moved to the left by the surveyor then action of assistant should be __________
a) Move slowly to the left
b) Move considerably to the left
c) Continue to move to the left
d) Plumb the rod to the left
View Answer
Explanation: Arm up and moved by the surveyor implies that the assistant has to plumb the rod. Left hand of the surveyor implies that the assistant has to move left side.
Sanfoundry Global Education & Learning Series – Surveying.
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