10+ SGS South Africa Interview Questions and Answers

SMT process refers to the surface mount technology used in electronic manufacturing.

• Involves placing electronic components directly onto the surface of a printed circuit board (PCB)

• Uses pick-and-place machines, solder paste, and reflow ovens

• Requires precise control of temperature, humidity, and cleanliness

• Can be done with either leaded or lead-free solder

• Commonly used in the production of smartphones, laptops, and other electronic devices

SMT components come in various package types.

• Surface mount technology (SMT) components can be classified into various package types.

• Some common package types include: chip resistors, capacitors, diodes, transistors, and integrated circuits (ICs).

• Package types can be further classified as leaded or leadless, and as through-hole or surface mount.

• Examples of leaded packages include: dual in-line package (DIP), small outline transistor (SOT), and small outline integrated circuit ...read more

5S and 7QC tools are methods used to ensure quality in a workplace.

• Quality is meeting or exceeding customer expectations.

• 5S focuses on workplace organization and cleanliness to improve efficiency and reduce errors.

• 7QC tools are problem-solving techniques used to identify and address quality issues.

• Examples of 7QC tools include Pareto charts, cause-and-effect diagrams, and statistical process control.

• Quality is a continuous improvement process that involves everyone in the org...read more

Starters are devices used to control the starting and stopping of motors.

• Starters provide protection to motors by preventing overload and short circuits.

• There are different types of starters such as direct-on-line starters, star-delta starters, and soft starters.

• Direct-on-line starters provide full voltage to the motor during start-up.

• Star-delta starters initially connect the motor in star configuration to reduce the starting current and then switch to delta configuration for...read more

Maintenance is the process of ensuring that equipment, machinery, or systems are in good working condition.

• Regular inspection and repair of equipment

• Preventive maintenance to avoid breakdowns

• Replacing worn-out parts

• Cleaning and lubricating machinery

• Ensuring safety standards are met

• Keeping records of maintenance activities

• Training personnel on proper use and maintenance of equipment

The voltage of panels refers to the electrical potential difference across the panels.

• The voltage of panels is typically measured in volts (V).

• It represents the amount of electrical potential energy per unit charge available in the panels.

• The voltage of panels can vary depending on the specific application and design.

• For example, solar panels typically have a voltage range of 12V to 48V.

• Higher voltage panels are often used in industrial and commercial applications.

• The voltage...read more

Load of Motorsports

• Motorsports require a variety of loads to function properly.

• Loads in motorsports can include the weight of the vehicle, aerodynamic forces, and mechanical resistance.

• The load on motorsports components can vary depending on the specific discipline, such as drag racing, circuit racing, or off-road racing.

• Understanding and managing the load is crucial for optimizing performance and ensuring safety in motorsports.

MSL components are used in electronic devices to protect against electrostatic discharge (ESD) and electromagnetic interference (EMI).

• Metal oxide varistors (MOVs)

• Transient voltage suppressors (TVSs)

• Gas discharge tubes (GDTs)

• EMI filters

• Capacitors

• Inductors

Embedded system is a computer system designed to perform specific tasks with real-time computing constraints.

• Embedded systems are found in various applications such as automobiles, medical equipment, home appliances, and industrial machines.

• They are designed to perform specific tasks with real-time computing constraints.

• They typically have limited resources such as memory, processing power, and energy consumption.

• They often use specialized operating systems and programming la...read more