Uttar Pradesh Rajkiya Nirman Nigam Interview Questions and Answers

The least count of surveying staff is the smallest measurement that can be read from the instrument.

• It is important to know the least count of the instrument to ensure accurate measurements.

• The least count varies depending on the instrument used.

• For example, the least count of a theodolite may be 20 seconds, while the least count of a level may be 0.5 mm.

• The least count is usually specified in the instrument manual or ...read more

Aggregates are materials used in construction. There are two types: coarse and fine.

• Coarse aggregates are larger than 4.75mm in size, e.g. gravel, crushed stone, slag.

• Fine aggregates are smaller than 4.75mm in size, e.g. sand, natural stone dust.

• Aggregates are used in concrete, mortar, and asphalt.

• The quality of aggregates affects the strength and durability of the construction material.

The dimensions of steel bar used in column depend on the load it needs to bear and the design specifications.

• The size and spacing of steel bars in a column are determined by the structural engineer.

• The diameter of steel bars used in columns can range from 12mm to 40mm.

• The spacing between steel bars in a column can range from 75mm to 150mm.

• The number of steel bars used in a column depends on the load it needs to bear.

• Th...read more