ABB QA QC Engineer Interview Questions and Answers

PLC stands for Programmable Logic Controller, used in industrial automation to control machinery and processes.

• PLC is a digital computer used for automation of electromechanical processes.

• It uses a programmable memory to store instructions and specific functions.

• PLCs are commonly used in manufacturing plants, assembly lines, and robotic devices.

• They can be programmed using ladder logic, function block diagrams, or stru...read more

Industrial automation involves the use of control systems such as robots and computers to handle different processes and machinery in an industrial setting.

• Industrial automation helps improve efficiency and productivity by reducing human intervention in repetitive tasks.

• It involves the use of sensors, actuators, and controllers to monitor and control various processes.

• Examples of industrial automation include automated...read more

Various types of instruments used in furnaces include thermocouples, pyrometers, pressure gauges, and flow meters.

• Thermocouples are used to measure temperature inside the furnace.

• Pyrometers are used for non-contact temperature measurement.

• Pressure gauges monitor the pressure levels within the furnace.

• Flow meters are used to measure the flow rate of gases or liquids in the furnace.

Calculate mills roller thrust by considering the load on the rollers and the angle of contact.

• Calculate the load on the rollers by considering the weight of the material being processed and any additional forces acting on the rollers.

• Determine the angle of contact between the rollers and the material being processed.

• Use the formula: Roller Thrust = Load on Rollers * tan(Angle of Contact).

• Ensure to consider all relevant...read more

I am an experienced Electrical Engineer with expertise in designing and implementing electrical systems.

• I have a Bachelor's degree in Electrical Engineering from XYZ University.

• I have worked for 5 years at ABC Company, where I designed and implemented electrical systems for commercial buildings.

• I am proficient in using CAD software for creating electrical schematics and layouts.

• I have experience in troubleshooting and ...read more

Ohm's Law is a fundamental principle in electrical engineering that relates the current flowing through a conductor to the voltage across it and the resistance of the conductor.

• Ohm's Law states that the current (I) flowing through a conductor is directly proportional to the voltage (V) across it and inversely proportional to the resistance (R) of the conductor.

• The formula for Ohm's Law is: V = I * R, where V is the vol...read more

The current unit is the ampere (A), which measures the flow of electric charge.

• The ampere is named after the French physicist André-Marie Ampère.

• Current is the rate at which electric charge flows through a conductor.

• Other common units for current include milliamperes (mA) and microamperes (μA).

The voltage unit is measured in volts (V).

• The voltage unit is denoted by the symbol V.

• Voltage is the potential difference between two points in an electrical circuit.

• Common examples of voltage units include millivolts (mV), kilovolts (kV), and megavolts (MV).

Quality is crucial for ensuring customer satisfaction, meeting regulatory requirements, and maintaining a positive brand reputation.

• Quality ensures customer satisfaction by delivering products/services that meet or exceed expectations.

• Quality helps in meeting regulatory requirements and standards, ensuring compliance and avoiding penalties.

• Maintaining high quality builds trust and loyalty among customers, leading to re...read more

Quality is the measure of excellence or superiority of a product or service.

• Quality is meeting or exceeding customer expectations.

• It involves consistency, reliability, and conformance to requirements.

• Quality can be measured through metrics like defect rates, customer satisfaction, and on-time delivery.

• Continuous improvement is essential for maintaining and enhancing quality.

• Examples of quality include a durable smartph...read more