20+ AV SENSE Interview Questions and Answers

MTTR means mean time to repair and MTBF means mean time between failure.

• MTTR is the average time taken to repair a failed component or system.

• MTBF is the average time between two consecutive failures of a component or system.

• Both MTTR and MTBF are important metrics in maintenance management.

PNP transistor is a type of bipolar junction transistor. Multimeter is used to measure voltage, current and resistance. Tracing a circuit involves identifying the path of current flow. Mounting and unmounting components on PCB involves soldering and desoldering.

• PNP transistor is a three-layer semiconductor device with emitter, base and collector regions.

• Multimeter can be used in different modes such as voltage, current and resistance mode.

• To trace a circuit, start from the po...read more

Yes, I perform preventive maintenance activities regularly to ensure smooth functioning of SMT and THT machines.

• Perform regular inspections and cleaning of machines

• Replace worn out parts before they cause breakdowns

• Keep a record of maintenance activities

• Schedule maintenance during non-production hours

• Train other technicians on preventive maintenance practices

We are using Electrovert Wave solder machine with five preheaters.

• We use Electrovert Wave solder machine for SMT and THT maintenance.

• The machine has five preheaters.

• The preheaters help in preparing the PCB for the soldering process.

• The preheaters ensure that the PCB is at the right temperature before it enters the wave solder machine.

• This helps in achieving better soldering results and reduces the risk of defects.

We are using G-tech router for depanelling in THT department.

• G-tech router is a type of depanelling machine used in THT department.

• It is used to separate individual PCBs from a panel.

• The router uses a high-speed spindle to cut through the board along the designated routing path.

• This process is faster and more precise than manual depanelling.

• G-tech router is commonly used in electronics manufacturing industry.

Yes, I am proficient in creating new programs for G-tech router.

• I have experience in using G-tech software and programming language.

• I am familiar with the router's hardware and software components.

• I can analyze and interpret technical drawings and specifications.

• I have created programs for various types of G-tech routers, including the XYZ model.

• I can troubleshoot and debug programs to ensure optimal performance.

Yes, I am familiar with feeder maintenance and calibration.

• I have experience in cleaning and inspecting feeders regularly to ensure proper functioning.

• I am skilled in calibrating feeders to ensure accurate placement of components.

• I am familiar with troubleshooting feeder issues and replacing faulty parts.

• I have worked with both SMT and THT feeders.

• I understand the importance of maintaining accurate feeder records for efficient production.

Yes, I am familiar with changeover and programming of Peak and place, SPI, and solder paste printer machines.

• I have experience in setting up and programming these machines for efficient production.

• I am knowledgeable in troubleshooting and maintenance of these machines.

• For example, I have successfully programmed a SPI machine to detect and correct solder paste defects.

CA PA actions and 8D report are problem-solving methodologies used in quality engineering.

• CA PA stands for Corrective Action and Preventive Action, which are steps taken to address and prevent quality issues.

• 8D report is an eight-step problem-solving methodology used to identify, correct, and prevent recurring problems.

• Both CA PA and 8D report are important tools in quality engineering to ensure continuous improvement and customer satisfaction.

THT stands for Through Hole Technology, which involves inserting leads of electronic components through holes on a PCB.

• THT is a traditional method of mounting electronic components on a PCB.

• It involves drilling holes on the PCB and inserting leads of components through them.

• The leads are then soldered on the opposite side of the PCB to make a connection.

• THT is commonly used for components that require high mechanical strength and stability, such as connectors and transformers...read more

Spindle motor is used in G-tech router.

• G-tech router uses spindle motor for its operation.

• Spindle motor is a type of motor used for rotating the cutting tool in the router.

• Spindle motor is designed to provide high speed and precision.

• Examples of spindle motors used in G-tech router are air-cooled spindle motor and water-cooled spindle motor.

Yes, I am familiar with nozzle calibration and maintenance.

• Nozzle calibration involves ensuring the nozzle is properly aligned and adjusted to the correct height for optimal performance.

• Nozzle maintenance includes regular cleaning and inspection to prevent clogs and damage.

• I have experience with both SMT and THT nozzle calibration and maintenance.

• Examples of maintenance tasks include checking for wear and tear, replacing worn parts, and lubricating moving components.

SMT stands for Surface Mount Technology, a method of electronic component assembly.

• SMT involves mounting electronic components directly onto the surface of a printed circuit board (PCB).

• This is in contrast to through-hole technology (THT), where components are inserted into holes drilled into the PCB.

• SMT components are typically smaller and lighter than THT components, allowing for higher component density on a PCB.

• SMT requires specialized equipment such as pick-and-place mac...read more

Face recognition is the process of identifying a person by analyzing their facial features. Face detection is the process of locating a face in an image or video.

• Face recognition uses algorithms to compare facial features with a database of known faces to identify a person.

• Face detection uses computer vision to locate faces in images or videos.

• Both technologies are used in security systems, social media, and entertainment.

• Examples of face recognition include unlocking smartph...read more

IQC procedure is the Incoming Quality Control process that ensures the quality of raw materials and components before production.

• IQC involves inspection and testing of incoming materials and components.

• It includes verifying the supplier's documentation and certificates.

• IQC helps to identify any defects or non-conformities in the materials.

• The procedure may involve sampling and statistical analysis.

• IQC is critical to ensure the quality of the final product.

• Examples of IQC test...read more

To manage a team for customer service, focus on communication, training, setting clear goals, providing support, and recognizing achievements.

• Communicate regularly with team members to ensure everyone is on the same page

• Provide thorough training to equip team members with necessary skills and knowledge

• Set clear goals and expectations to guide team members in their work

• Offer support and guidance when team members face challenges

• Recognize and reward team members for their achie...read more

The 5 core tools of quality are used to improve and maintain product quality.

• 1. APQP (Advanced Product Quality Planning)

• 2. FMEA (Failure Mode and Effects Analysis)

• 3. MSA (Measurement System Analysis)

• 4. SPC (Statistical Process Control)

• 5. PPAP (Production Part Approval Process)

OSI (Open Systems Interconnection) model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven abstraction layers.

• OSI model stands for Open Systems Interconnection model

• It consists of 7 layers, each responsible for specific functions

• Layers include Physical, Data Link, Network, Transport, Session, Presentation, and Application

• Each layer communicates with the adjacent layers to provide end-to-end communication

• Example: Se...read more

To reset a camera, locate the reset button or option in the camera settings and follow the instructions provided.

• Locate the reset button on the camera (usually a small hole that requires a pin to press)

• If there is no physical reset button, navigate to the camera settings and look for the reset option

• Follow the on-screen instructions to reset the camera to its default settings

Organic chemistry is the study of the structure, properties, composition, reactions, and preparation of carbon-containing compounds.

• Organic chemistry focuses on compounds containing carbon atoms.

• It involves the study of the structure, properties, composition, reactions, and preparation of these compounds.

• Organic compounds can be found in living organisms and are essential for life.

• Examples include hydrocarbons, alcohols, carboxylic acids, and amino acids.

I have 5 years of experience managing warehouse operations, including inventory control, shipping/receiving, and staff supervision.

• Managed inventory control to ensure accurate stock levels

• Oversaw shipping and receiving processes to maintain efficiency

• Supervised warehouse staff to ensure tasks were completed accurately and on time