LEVELLING SURVEY - Practice Mode

1) What is the fundamental line in levels?

Slant line Vertical line Horizontal line The axis of the telescope

Correct Answer: The axis of the telescope

2) Which levelling instrument is required in second adjustment to make the line of collimation parallel to the axis of the bubble tube?

Auto level Target level Dumpy level Tilting level

Correct Answer: Dumpy level

3) Which level instrument requires a signal permanent adjustment?

Tilting level Dumpy level Auto level Target level

Correct Answer: Tilting level

4) What is the postion of line of collimation, if observed staff reading is more than the required true staff reading?

Inclined downwards Inclined upwards Horizontal Parallel

Correct Answer: Inclined upwards

Explanation:

Applying pressure over the injured portion is the first aid to be given to stop the bleeding of the victim.

5) What is the position of line of collimation While the observed reading is the less than the required true reading?

Inclined downwards Inclined upwards Horizontal Parallel

Correct Answer: Inclined downwards

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