International Automotive Components Maintenance Electrician Interview Questions and Answers

Answers to questions related to DOE, JH pillar, 5S, and IAFT 16949 vs TS16949

• DOE stands for Design of Experiments and is a statistical tool used to optimize processes

• Full factorial design is a DOE technique where all possible combinations of factors and levels are tested

• Taguchi method is a DOE technique that focuses on reducing variability and improving quality

• P-value is a statistical measure that helps determine the s...read more

My areas of interest include electrical systems, mechanical systems, and preventive maintenance.

• Electrical systems: I have a strong interest in troubleshooting and repairing electrical systems, such as motors, control panels, and wiring.

• Mechanical systems: I enjoy working with mechanical components, such as pumps, valves, and conveyors. I have experience in maintaining and repairing these systems.

• Preventive maintenance...read more

I come from a supportive family that values education and hard work, which has greatly influenced my career choices.

• My father is an engineer, which inspired my interest in technical fields.

• My mother is a teacher, emphasizing the importance of education in our household.

• I have a younger sister who is pursuing a degree in environmental science, showcasing our family's commitment to learning.

• Family gatherings often involv...read more

Different types of gears include spur gears, helical gears, bevel gears, worm gears, and rack and pinion gears.

• Spur gears have straight teeth and are the simplest and most common type of gear.

• Helical gears have angled teeth and provide smoother and quieter operation compared to spur gears.

• Bevel gears have cone-shaped teeth and are used to transmit power between intersecting shafts.

• Worm gears consist of a worm and a wor...read more

Pumps are selected based on the required flow rate, head, and fluid properties.

• Determine the required flow rate and head for the application

• Consider the fluid properties such as viscosity, temperature, and corrosiveness

• Select a pump type that is suitable for the application, such as centrifugal, positive displacement, or axial flow

• Choose a pump material that is compatible with the fluid being pumped

• Consider the operati...read more

Boilers are classified based on their design, fuel type, and application.

• Fire-tube boilers

• Water-tube boilers

• Electric boilers

• Gas boilers

• Oil boilers

• Solid fuel boilers

• Combination boilers

• Condensing boilers

• Industrial boilers

• Residential boilers

Threads are helical ridges or grooves on the surface of a cylindrical object. There are different types of threads.

• Unified Thread Standard (UTS)

• Metric Thread Standard

• Pipe Thread Standard

• ACME Thread

• Buttress Thread

• Knuckle Thread

• Square Thread

• Round Thread

Valves are devices used to control the flow of fluids or gases. There are several types of valves used in different applications.

• Gate valve

• Ball valve

• Butterfly valve

• Globe valve

• Check valve

• Diaphragm valve

• Needle valve

• Pressure relief valve

• Safety valve

DCV stands for Directional Control Valve in hydraulics which controls the direction of fluid flow.

• DCV is used to control the direction of fluid flow in hydraulic systems.

• It is a type of valve that directs the flow of fluid to different parts of the system.

• DCV can be manually operated or automated depending on the application.

• Examples of DCV include spool valves, poppet valves, and rotary valves.

• DCV is an important comp...read more

A motor is an electrical device that converts electrical energy into mechanical energy.

• Motors are used in a variety of applications, from powering industrial machinery to driving household appliances.

• There are different types of motors, including AC motors, DC motors, and stepper motors.

• Motors can be controlled using various methods, such as variable frequency drives and soft starters.

• Proper maintenance and inspection ...read more

A star delta starter is used to reduce the starting current of a motor.

• The motor is initially connected in star configuration to reduce the voltage across each winding.

• After a set time, the motor is switched to delta configuration for normal operation.

• The control diagram includes a timer, contactors, and overload protection.

• The timer delays the switching from star to delta configuration.

• The contactors are used to switc...read more

The resistive load equation is used to calculate the power consumed by a resistive load.

• The equation is P = V^2/R, where P is power, V is voltage, and R is resistance.

• This equation is used in electrical engineering to determine the power consumption of resistive loads such as heaters and incandescent light bulbs.

• The equation can also be rearranged to solve for voltage or resistance, depending on the information given.

• I...read more

Asynchronous motors are used for various purposes due to their simple design and low cost.

• Asynchronous motors are commonly used in industrial applications such as pumps, fans, and compressors.

• They are also used in household appliances like washing machines and refrigerators.

• Asynchronous motors are preferred for their low maintenance and high reliability.

• They are also used in electric vehicles and hybrid cars.

• Asynchrono...read more

Transformers are classified based on their construction, purpose, and voltage level.

• Based on construction: core type, shell type, and Berry type

• Based on purpose: power transformer, distribution transformer, isolation transformer, autotransformer, etc.

• Based on voltage level: step-up transformer, step-down transformer, and isolation transformer

• Other classifications: single-phase transformer, three-phase transformer, and ...read more

India has a total installed capacity of over 370 GW as of 2021.

• India's power generation capacity has been growing rapidly in recent years

• The country has set a target of achieving 450 GW of renewable energy capacity by 2030

• India is one of the world's largest producers of renewable energy, with a capacity of over 100 GW

• Coal still accounts for a significant portion of India's power generation, but the government is workin...read more

Chopper circuits are used to convert a fixed DC voltage to a variable DC voltage.

• Chopper circuits are also known as DC-DC converters.

• They are used in applications such as battery charging, motor control, and renewable energy systems.

• Chopper circuits use high-frequency switching to control the output voltage.

• Examples of chopper circuits include buck converters, boost converters, and buck-boost converters.