1
GATE CE 2024 Set 2
MCQ (Single Correct Answer)
+1
-0.33

To finalize the direction of a survey, four surveyors set up a theodolite at a station P and performed all the temporary adjustments. From the station P, each of the surveyors observed the bearing to a tower located at station Q with the same instrument without shifting it. The bearings observed by the surveyors are 30° 30' 00", 30° 29' 40", 30° 30' 20" and 30° 31' 20". Assuming that each measurement is taken with equal precision, the most probable value of the bearing is

A

30° 29' 40"

B

30° 30' 20"

C

30° 30' 00"

D

30° 31' 20"

2
GATE CE 2024 Set 1
MCQ (Single Correct Answer)
+1
-0.33

If the number of sides resulting in a closed traverse is increased from three to four, the sum of the interior angles increases by

A

90°

B

180°

C

270°

D

360°

3
GATE CE 2024 Set 1
MCQ (Single Correct Answer)
+1
-0.33

A surveyor observes a zenith angle of 93° 00′ 00″ during a theodolite survey. The corresponding vertical angle is

A

− 03° 00′ 00″

B

+ 03° 00′ 00″

C

− 87° 00′ 00″

D

+ 87° 00′ 00″

4
GATE CE 2024 Set 1
MCQ (Single Correct Answer)
+1
-0.33

Among the following statements relating the fundamental lines of a transit theodolite, which one is CORRECT?

A

The line of collimation must be perpendicular to the horizontal axis at its intersection with the vertical axis.

B

The axis of altitude level must be perpendicular to the line of collimation.

C

The axis of plate level must lie in a plane parallel to the vertical axis.

D

The Vernier of vertical circle must read zero when the line of collimation is vertical.

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