Thriveni Earthmovers Assistant Mines Manager Interview Questions and Answers

Electrical engineers design, develop, test, and supervise the manufacturing of electrical equipment.

• Design electrical systems and products

• Test equipment and troubleshoot issues

• Supervise the manufacturing process

• Stay up-to-date with industry trends and advancements

DOL (Direct-On-Line) and star delta are two different wiring schemes used in electrical engineering for starting induction motors.

• DOL wiring directly connects the motor to the power supply for starting, while star delta wiring initially starts the motor in star configuration and then switches to delta configuration for running.

• DOL wiring is simpler and cheaper but causes high starting current, while star delta wiring r...read more

Siemens controllers have different parameters for various applications.

• Siemens controllers have different parameters for motion control, temperature control, and process control.

• Parameters for motion control include acceleration, deceleration, and maximum velocity.

• Parameters for temperature control include setpoint, proportional band, and integral time.

• Parameters for process control include setpoint, deadband, and gain...read more

Fanuc has different parameters for various functions such as motion control, spindle control, and tool management.

• Fanuc parameters are used to control various functions such as motion control, spindle control, and tool management.

• Parameters can be set to adjust the speed, acceleration, and deceleration of the machine.

• Fanuc parameters can also be used to set up alarms and diagnostic messages.

• Examples of Fanuc parameters...read more

PLCs are used in various industries for automation and control purposes.

• PLCs are commonly used in manufacturing industries for controlling assembly lines and machines.

• They are also used in the automotive industry for controlling robotic arms and conveyor belts.

• PLCs are used in the food and beverage industry for controlling mixing and packaging machines.

• They are used in the energy sector for controlling power plants and...read more

VFDs are used to control the speed of AC motors in various applications.

• VFDs are commonly used in HVAC systems to control the speed of fans and pumps.

• They are also used in industrial applications to control conveyor belts and other machinery.

• VFDs can improve energy efficiency and reduce wear and tear on equipment.

• They are often used in renewable energy systems to control the speed of wind turbines and solar panels.

• VFDs...read more