PNC Infratech Surveyor Interview Questions and Answers

Water density is the mass per unit volume of water.

• Water density is typically around 1000 kg/m^3 at 4 degrees Celsius.

• It can vary slightly with temperature and salinity.

• Water density is important in various fields such as oceanography, hydrology, and engineering.

DLC stands for Diamond-Like Carbon coating, which is a type of protective coating applied to surfaces. Thickness refers to the measurement of how thick the coating is.

• DLC is a thin film coating that provides hardness, wear resistance, and low friction properties.

• Thickness of DLC coating is typically measured in microns or nanometers.

• Examples of applications include coating on cutting tools, automotive components, and m

PQC stands for Pavement Quality Concrete and Dowel bar Dia refers to the diameter of dowel bars used in construction.

• PQC is a type of concrete used in pavement construction to ensure durability and strength.

• Dowel bar Dia refers to the diameter of dowel bars, which are used to transfer loads between slabs in concrete pavements.

• For example, a common dowel bar Dia used in pavement construction is 32mm.

EMB stands for Electro-Magnetic Ballast, which is a device used to regulate the flow of electrical current in fluorescent lighting fixtures.

• EMB is used in fluorescent lighting fixtures to control the flow of electrical current.

• It helps to stabilize the current and prevent flickering or buzzing in the lights.

• EMBs are commonly found in commercial buildings, offices, and industrial settings.

• Examples of EMB brands include