LEVELLING SURVEY - Practice Mode

1) What is the gap of stems of 'E' or 3 between them of earth?

3mm high 5mm high 10mm high 15mm high

Correct Answer: 10mm high

2) What is the level that is widely used in construction work but not for more precise control work?

Laser level Dumpy level Wye level Tilting level

Correct Answer: Laser level

3) What is the instrument that one person can perform the levelling independently?

Laser level Dumpy level Wye level Tilting level

Correct Answer: Laser level

4) Which instrument may compute and apply refraction and curvature corrections?

Dumpy level Modern level Auto / digital level Wye level

Correct Answer: Auto / digital level

5) Which type of levelling is done in order to connect a bench mark to the starting point of the alignment of any project in survey?

project in survey - Direct levelling Indirect levelling Check levelling Fly levelling

Correct Answer: Fly levelling

Explanation:

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