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GATE 2019 Surveying Quiz 2
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Question 1
The clogging of chain rings with mud introduces (with ‘error’ defined in the standard way)
1) Negative cumulative error
2) Positive cumulative error
3) Compensating error
1) Negative cumulative error
2) Positive cumulative error
3) Compensating error
Question 2
Which of the following minor instruments are used for setting out right angles in chain surveying?
(i) Cross staff
(ii) Optical square
(iii) Prism square
(iv) Auto level
(i) Cross staff
(ii) Optical square
(iii) Prism square
(iv) Auto level
Question 3
The Reduced Levels (RLs) of the points P and Q are + 49.600 m and + 51.870 m respectively. Distance PQ is 20 m. The distance (in m from P) at which the + 50.000 m contour cuts the line PQ is
Question 4
Reciprocal levelling was done between two points A and B, the readings of which are as shown below, which are 700 mm apart.
If the atmospheric conditions do not change during the period of observation and R.L. of A is 126.49 m, then the R.L. of B is _______ m.
Question 5
A bench mark has been established at the soffit of an ornamental arch at the known elevation of 100.0 m above mean sea level. The back sight used to establish height of instrument is an inverted staff reading of 2.105 m. A forward sight reading with normally held staff of 1.105 m is taken on a recently constructed plinth. The elevation of the plinth is
Question 6
The following measurements were made during testing a leveling instrument.
P1 is close to P and P2 is close to Q. If the reduced level of station P is 100.000m, the reduced level of station Q is
P1 is close to P and P2 is close to Q. If the reduced level of station P is 100.000m, the reduced level of station Q is
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ESE & GATE CESurveyingSep 30ESE & GATE CE