Lithium Urban Technologies Interview Questions and Answers

I will check the motor's wiring and connections to ensure it is correctly wired for anti-clockwise rotation.

• Check the motor's wiring diagram to confirm the correct connections for anti-clockwise rotation

• Verify the phase sequence of the power supply

• If necessary, swap any two of the three-phase wires to change the rotation direction

• Ensure that the motor is not mechanically jammed or obstructed

Mineral oil is commonly used in transformers for insulation and cooling purposes.

• Mineral oil is the most commonly used oil in transformers due to its high dielectric strength and thermal conductivity.

• It helps in insulating the transformer windings and dissipating heat generated during operation.

• Other types of oils used in transformers include silicone oil and synthetic esters.

• The choice of oil depends on factors such as cost, environmental impact, and fire safety regulations.

PLC is a programmable logic controller used in industrial automation to control machinery and processes.

• PLC programming involves writing code in ladder logic or other programming languages.

• PLCs are used in various industries such as manufacturing, oil and gas, and automotive.

• PLCs can be programmed to perform a wide range of functions such as controlling motors, monitoring sensors, and managing data.

• Examples of PLC brands include Siemens, Allen-Bradley, and Mitsubishi.

• PLC prog...read more