Indus Towers Operation & Maintenance Engineer Interview Questions and Answers for Experienced

An Ex-OR gate (or Ex-NOR gate) can be implemented using op-amps.

• An Ex-OR gate can be implemented using two op-amps and a few resistors.

• The op-amps are configured as comparators with positive feedback.

• The output of the Ex-OR gate is high when the inputs are different.

• The output of the Ex-NOR gate is high when the inputs are the same.

• Example circuit: https://www.electronics-tutorials.ws/wp-content/uploads/2018/05/ex-or-g

OTDR stands for Optical Time Domain Reflectometer. It is a device used to measure the characteristics of an optical fiber.

• OTDR is commonly used in the telecommunications industry to troubleshoot and maintain fiber optic networks.

• It sends a series of light pulses into the fiber and measures the time and intensity of the reflections to determine the length, loss, and quality of the fiber.

• OTDR can locate faults, such as b...read more

LSPM stands for Local Service Provider Management.

• LSPM is a system or process used to manage and coordinate local service providers.

• It involves selecting, contracting, and overseeing the performance of local service providers.

• LSPM ensures that local service providers meet the required standards and deliver quality services.

• Examples of local service providers include contractors, vendors, and suppliers.

• LSPM helps in opt...read more

Soil types can vary greatly and are classified based on their composition, texture, and fertility.

• Soil types include clay, silt, sand, loam, and peat.

• Clay soil is heavy and retains water, while sandy soil is loose and drains quickly.

• Loam soil is a balanced mixture of clay, silt, and sand, ideal for plant growth.

• Soil fertility is determined by its nutrient content and organic matter.

• Different soil types require differen...read more