SunMax Auto Engineering Production Engineer Interview Questions and Answers

Troubleshooting quality issues involves identifying the root cause and implementing corrective actions.

• Gather information about the issue and its impact on production

• Identify the root cause using tools like fishbone diagrams or 5 whys

• Develop and implement corrective actions to address the root cause

• Monitor the effectiveness of the corrective actions and adjust as necessary

To make the process smooth, we can streamline workflows, optimize resources, and implement automation.

• Streamline workflows by identifying bottlenecks and implementing efficient processes

• Optimize resources by ensuring proper utilization and minimizing waste

• Implement automation for repetitive tasks to increase efficiency and reduce errors

A relay is an electrically operated switch that uses an electromagnet to mechanically control the switching action.

• Relays are used to control high power circuits with low power signals.

• They can be used to control motors, lights, and other electrical devices.

• Relays have an input coil that generates a magnetic field when current flows through it.

• This magnetic field attracts a movable armature, which closes or opens the s...read more

Switches are used instead of relays in some domestic applications due to their smaller size, lower cost, and faster response time.

• Switches are smaller in size compared to relays, making them more suitable for compact domestic appliances.

• Switches are generally less expensive than relays, making them a cost-effective choice for domestic applications.

• Switches have a faster response time compared to relays, allowing for qu...read more

A relay is an electrically operated switch that uses an electromagnet to mechanically control the switching action.

• Relays are commonly used in electrical systems to control high-power devices with low-power signals.

• They consist of a coil, an armature, and a set of contacts.

• When the coil is energized, the armature moves and closes or opens the contacts, allowing or interrupting the flow of current.

• Relays are used in var...read more

Yes, I know the manufacturing procedure of relays.

• Relays are electromechanical devices used to control the flow of electricity in a circuit.

• The manufacturing procedure involves several steps such as designing, prototyping, testing, and mass production.

• Designing includes selecting the appropriate materials, determining the specifications, and creating the circuit diagram.

• Prototyping involves creating a working model to ...read more

Yes, epoxy is commonly used in relays for its insulating and adhesive properties.

• Epoxy is a type of resin that can be used as an adhesive or coating.

• In relays, epoxy is often used to encapsulate and protect the internal components.

• It provides insulation and helps to prevent moisture or dust from entering the relay.

• Epoxy can also improve the mechanical strength and stability of the relay.

• For example, epoxy is used in au...read more

The material used for relay contact soldering is typically silver or silver alloy.

• Silver or silver alloy is commonly used for relay contact soldering due to its high electrical conductivity and low resistance.

• Silver solder has a lower melting point compared to other solder materials, making it suitable for delicate electronic components.

• The use of silver or silver alloy solder helps ensure reliable and efficient electr...read more

Relays are used in various real-time applications for controlling electrical circuits.

• Industrial automation: Relays are used to control motors, pumps, and other industrial equipment.

• Power distribution: Relays are used in power grids to control the flow of electricity and protect against overloads.

• Automotive industry: Relays are used in vehicles for controlling headlights, wipers, and other electrical systems.

• Telecommun...read more

7QC stands for Seven Quality Control Tools, which are a set of techniques used for quality improvement in production processes.

• The 7QC include tools such as Pareto charts, cause-and-effect diagrams, scatter diagrams, control charts, histograms, check sheets, and flowcharts.

• These tools help identify and solve quality-related issues in production processes.

• For example, a Pareto chart can help prioritize the most signific...read more

TPM stands for Total Productive Maintenance, a proactive approach to maintenance that aims to maximize equipment effectiveness.

• TPM involves empowering operators to take ownership of equipment maintenance

• Focuses on preventing breakdowns and improving overall equipment efficiency

• Incorporates principles such as autonomous maintenance, planned maintenance, and continuous improvement

• Example: Implementing daily equipment che...read more

TPM target stands for Total Productive Maintenance target, which is a goal set to maximize the efficiency and effectiveness of production equipment.

• TPM target is a goal set to minimize equipment downtime and maximize productivity.

• It involves proactive maintenance practices to prevent breakdowns and improve overall equipment effectiveness.

• Examples of TPM targets include reducing unplanned downtime by 20% or increasing e...read more

A diode is a semiconductor device that allows current to flow in one direction only.

• Diodes are commonly used in rectifiers to convert AC to DC power.

• They are also used in signal processing, voltage regulation, and protection circuits.

• Examples include light-emitting diodes (LEDs) and photodiodes.

• Diodes can be used in logic gates and digital circuits for switching and signal processing.

LDR stands for Light Dependent Resistor. It is a type of resistor that changes its resistance based on the amount of light it is exposed to.

• LDRs are commonly used in light sensing applications, such as automatic street lights or camera exposure control.

• The resistance of an LDR decreases as the intensity of light increases.

• LDRs are often used in combination with other components like transistors or microcontrollers to c

A half wave rectifier is a circuit that converts AC voltage to pulsating DC voltage by allowing only one half of the input waveform to pass through.

• The input AC voltage is applied to a diode which only allows current to flow in one direction.

• During the positive half cycle of the input waveform, the diode conducts and allows current to flow through the load.

• During the negative half cycle, the diode blocks current flow, ...read more