Roulunds Braking Electrical Maintenance Technician Interview Questions and Answers

I handle wagon malfunctions by identifying the issue, troubleshooting, and repairing the problem efficiently to minimize downtime.

• Conduct a thorough inspection to identify the root cause of the malfunction

• Utilize diagnostic tools and equipment to troubleshoot the issue

• Follow maintenance manuals and guidelines for proper repair procedures

• Prioritize safety protocols while working on the wagons

• Communicate effectively with...read more

To handle a paint shop conveyor breakdown, I would first assess the issue, troubleshoot the problem, repair or replace faulty parts, and ensure proper maintenance to prevent future breakdowns.

• Assess the issue by checking for any visible damage or obstructions on the conveyor

• Troubleshoot the problem by testing different components such as motors, belts, and sensors

• Repair or replace faulty parts as needed to restore the ...read more

A transformer is an electrical device that transfers electrical energy between circuits through electromagnetic induction.

• Transforms voltage levels: steps up or steps down voltage.

• Consists of primary and secondary coils wound around a core.

• Used in power distribution systems to manage voltage levels.

• Example: A step-down transformer reduces 220V to 12V for household appliances.

• Efficiency is high, typically above 95%.

A three-phase motor is an electric motor powered by three-phase alternating current, providing efficient and reliable operation.

• Consists of three windings, each 120 degrees apart in phase.

• Commonly used in industrial applications for its efficiency.

• Examples include pumps, fans, and conveyor systems.

• Offers higher power density and smoother operation compared to single-phase motors.

• Can be either synchronous or asynchronou

SCADA can be configured by setting up communication protocols, defining data points, creating graphical interfaces, and configuring alarms.

• Set up communication protocols such as Modbus, DNP3, or OPC to communicate with field devices

• Define data points by specifying the tags for each device or sensor being monitored

• Create graphical interfaces by designing screens that display real-time data in a user-friendly format

• Confi...read more

I/O modules can be configured by setting up the input and output signals, assigning addresses, and configuring communication protocols.

• Identify the type of I/O module being used (analog, digital, etc.)

• Assign addresses to the input and output signals for communication

• Configure the communication protocols such as Modbus, Profibus, etc.

• Set up the parameters for data transmission and reception

• Test the configured I/O module

Assigning an IP address involves configuring the network settings of a device to enable communication with other devices on the same network.

• Access the network settings of the device

• Choose a suitable IP address based on the network's subnet

• Assign the IP address along with subnet mask and default gateway

• Ensure no IP address conflicts with other devices on the network

• Save the settings and test the connection

The least count of a vernier scale is the smallest measurement that can be read on the scale.

• The least count is determined by the number of divisions on the main scale and the vernier scale.

• It is calculated as the difference between one main scale division and one vernier scale division.

• For example, if the main scale has divisions of 1 mm and the vernier scale has 10 divisions between two main scale divisions, the leas

The least count of a micrometer is the smallest measurement that can be read on the scale of the micrometer.

• The least count of a micrometer is typically 0.01 mm or 0.001 mm, depending on the type of micrometer.

• To determine the least count, divide the smallest division on the scale by the number of divisions on the circular scale.

• For example, if the smallest division on the scale is 0.1 mm and there are 100 divisions on...read more