Usha Shriram Enterprises Interview Questions and Answers

Silica and Sodium deposition can cause corrosion and erosion in turbine blades, reducing efficiency and lifespan.

• Silica and Sodium can form hard deposits on turbine blades, reducing their efficiency.

• These deposits can also cause corrosion and erosion of the blades, leading to reduced lifespan.

• Silica deposits are more common in steam turbines, while Sodium deposits are more common in gas turbines.

• Preventive measures include using high-quality water, regular cleaning and mainte...read more

Instrument calibration is required to ensure accurate and reliable measurements.

• Calibration corrects any deviations in the instrument's readings

• It ensures that the instrument is operating within its specified range

• Calibration is necessary for compliance with industry standards and regulations

• It helps to maintain the quality of the product or service being produced

• Regular calibration can extend the lifespan of the instrument

Gas analyser is crucial for monitoring emissions and ensuring compliance with environmental regulations in power plants.

• Gas analyser measures the concentration of various gases in the flue gas emitted from the power plant.

• It helps in monitoring emissions of harmful gases like SOx, NOx, CO, and CO2.

• Gas analyser also helps in optimizing combustion efficiency and reducing fuel consumption.

• It ensures compliance with environmental regulations and avoids penalties and fines.

• Gas ana...read more

Signal isolators are used to protect sensitive equipment from electrical noise and interference.

• Signal isolators provide electrical isolation between input and output signals.

• They help prevent ground loops and reduce the risk of damage to equipment.

• Signal isolators can be used in various applications such as industrial automation, process control, and telecommunications.

• They are commonly used in situations where there is a need to transmit signals over long distances.

• Signal i...read more

AC and DC are two types of electrical current with different characteristics.

• AC stands for alternating current, which periodically changes direction.

• DC stands for direct current, which flows in one direction.

• AC is commonly used in household appliances and power distribution systems.

• DC is commonly used in batteries and electronic devices.

• AC can be easily converted to different voltages using transformers.

• DC is more efficient for long-distance power transmission.

• AC is safer for...read more