Larsen & Toubro Limited Senior Surveyor Interview Questions and Answers

An auto level machine is a surveying instrument used to measure height differences and level surfaces.

• Auto level machines use a compensator to ensure accurate readings.

• They are commonly used in construction, land surveying, and civil engineering.

• Examples of auto level machines include Leica NA700 Series and Topcon AT-B Series.

True north is the direction towards the geographic North Pole, while magnetic north is the direction towards the north magnetic pole.

• True north is fixed and does not change over time, while magnetic north constantly shifts due to changes in the Earth's magnetic field.

• True north is used for navigation on maps and charts, while magnetic north is used by compasses.

• The angle between true north and magnetic north is called ...read more

The first surveyor in India is George Everest, who served as the Surveyor General of India from 1830 to 1843.

• George Everest was appointed as the Surveyor General of India in 1830.

• He is known for his work in mapping the Indian subcontinent, including the measurement of the height of Mount Everest which was later named after him.

• Everest's tenure as Surveyor General of India laid the foundation for modern mapping and surv

Total station errors can affect GPS to GPS measurements due to various factors.

• Total station errors can include instrument calibration errors, atmospheric conditions, and human error.

• Examples of total station errors affecting GPS to GPS measurements include incorrect leveling of the total station, improper target placement, and misalignment of the instrument.

• Regular calibration and maintenance of the total station can