Leadec India Interview Questions and Answers for Experienced

Parts of pumps and motors include impeller, casing, shaft, bearings, and seals.

• Impeller: Rotating component that generates the flow in a pump.

• Casing: Encloses and supports the impeller and other parts of the pump.

• Shaft: Transfers power from the motor to the impeller.

• Bearings: Support and align the shaft within the pump.

• Seals: Prevent leakage of fluid from the pump.

Parts of pumps and motors include impeller, casing, shaft, bearings, and motor housing.

• Impeller: Rotating component that generates the flow within the pump.

• Casing: Encloses the impeller and directs the flow of fluid through the pump.

• Shaft: Transfers the rotational energy from the motor to the impeller.

• Bearings: Support the shaft and reduce friction during rotation.

• Motor housing: Encloses the motor and provides protecti...read more

Delta motor wiring connection circuit diagram involves connecting three phases in a triangular configuration.

• Connect the three motor windings in a triangular configuration

• Label the three phases as A, B, and C

• Connect the end of one winding to the start of the next winding

• Ensure proper insulation and secure connections

• Use appropriate wire sizes and color codes for easy identification

Sensors are devices that detect changes in physical properties and convert them into electrical signals. They come in various types and have specific working conditions.

• Types of sensors include temperature sensors, pressure sensors, proximity sensors, motion sensors, etc.

• Sensors work by detecting changes in physical properties such as temperature, pressure, light, etc., and converting them into electrical signals.

• Worki...read more

Operations and utilities in electrical engineering involve managing systems that generate, transmit, and distribute electrical power.

• Power Generation: Involves the production of electricity from various sources such as fossil fuels, nuclear, and renewable energy (e.g., solar, wind).

• Transmission Systems: High-voltage lines transport electricity over long distances to minimize losses, ensuring efficient delivery to subst...read more

Maintaining electrical equipment involves regular inspections, testing, cleaning, and timely repairs to ensure optimal performance and safety.

• Regular Inspections: Conduct routine checks to identify wear and tear, such as inspecting circuit breakers and wiring for signs of damage.

• Preventive Maintenance: Schedule regular maintenance tasks, like lubricating motors and replacing filters, to prevent unexpected failures.

• Test...read more

Flow meters are devices used to measure the flow rate of a fluid in a pipe or conduit.

• Differential Pressure Flow Meters (Orifice, Venturi, Pitot Tube)

• Velocity Flow Meters (Turbine, Electromagnetic, Ultrasonic)

• Positive Displacement Flow Meters (Rotary, Oval Gear, Nutating Disk)

• Mass Flow Meters (Coriolis, Thermal, Weighing)

• Open Channel Flow Meters (Flume, Weir)

Calibration of control valve involves adjusting the valve to ensure it opens and closes at the correct set points.

• Calibration involves adjusting the valve's position to match the desired input signal.

• Use calibration tools such as pressure gauges, flow meters, and positioners to adjust the valve.

• Perform calibration regularly to ensure the valve operates accurately and efficiently.

• Document calibration procedures and resu...read more