Suggested Certification for Automotive Engineer

ESTACA Certifications, Certificate in Automotive Technology - Benjamin Franklin Institute of Technology
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Interview Questions and Answers

CFD is used to simulate airflow around vehicles to optimize aerodynamic performance and reduce drag.

Emerging trends include autonomous driving, connected vehicles, and the integration of artificial intelligence in vehicle systems.

Materials science is crucial for selecting the right materials for vehicle components to ensure strength, durability, and weight reduction.

While automotive engineering is often a specialization within mechanical engineering, it focuses specifically on the design, development, and manufacturing of vehicles, whereas mechanical engineering has a broader scope.

The future focuses on electric and autonomous vehicles, advanced driver-assistance systems (ADAS), and sustainable transportation solutions.

FEA is a numerical method used to predict how a vehicle component will behave under stress. Engineers use it to optimize designs for strength and weight.

They design engines with improved combustion, develop exhaust aftertreatment systems (e.g., catalytic converters), and explore alternative fuels.

ADAS (Advanced Driver-Assistance Systems) includes features like lane departure warning and adaptive cruise control. Engineers develop the sensors, algorithms, and control systems for these features.

Challenges include meeting strict emissions regulations, reducing vehicle weight, and developing innovative technologies to compete in the market.

Vehicle dynamics refers to the vehicles handling and stability. Engineers use simulation and testing to optimize suspension, steering, and braking systems.

Testing involves physical prototypes, computer simulations, and real-world driving tests to evaluate performance, safety, and durability.

Essential skills include strong analytical and problem-solving abilities, CAD software proficiency, knowledge of thermodynamics, and understanding of manufacturing processes.

Automotive engineers are hired by vehicle manufacturers, automotive suppliers, engineering consulting firms, and research institutions.

They design and test safety systems like airbags, seatbelts, and anti-lock braking systems (ABS) to minimize injuries in accidents.

They design and optimize electric powertrains, battery systems, and charging infrastructure for EVs.

They design engines with improved combustion efficiency, optimize vehicle aerodynamics, and reduce vehicle weight.

Common software includes CAD (e.g., CATIA, SolidWorks), CAE (e.g., ANSYS, MATLAB), and simulation tools.

Automotive engineers research, design, develop, and test vehicles and their components, ensuring they meet performance, safety, and environmental standards.

Common specializations include engine design, vehicle dynamics, manufacturing, safety systems, and electrical/electronic systems.

A bachelors degree in mechanical engineering, electrical engineering, or a related field is typically required. Many pursue masters degrees for advanced roles.

Explain with examples that sync with the job description.

Having a larger rear wheel with a larger diameter increases the amount of rubber that touches the road along the axis of the vehicle, increasing the capacity for acceleration. Most of the weight of your car moves to the rear as you are accelerating.

- Laboratory testing.
- Emissions testing and control solutions.
- Onsite lab services (outsourcing solutions).
- Fuel supply management.
- Sampling, verification of quality (species, granulation, moisture content, ash content, dirt).
- Clean coal services.

The kingpin offset is the “lever arm” of the longitudinal forces at the wheel center. It produces a self-centering action of steering, mainly sensitive at low speed. At high speed, it is usually minimal compared to other effects such as the caster angle effect.
The kingpin offset is the part, basically called as pivot used in the steering of the vehicles. This offset helps in rotating the steering and thus it is very useful in the steering mechanism of the cars.

The power delivered by the engine is called brake power.

The wheel and axle is a machine consisting of a wheel attached to a smaller axle so that these two parts rotate together in which a force is transferred from one to the other.

To decrease toxic emissions, catalytic converters use reduction and oxidation (redox) reactions. They use a reduction catalyst made up of rhodium and platinum. By extracting nitrogen atoms from nitrogen oxide molecules, it helps decrease nitrogen oxides (NOx) (NO and NO2). This allows oxygen gas to form free oxygen (O2).

Fine sprays are needed to burn fuel properly inside the cylinder, so high pressure is required to inject the fuel into fine injector holes. The pressure of the injector is the pressure under which fuel is pumped into a D.I. engine. For different engines, injector pressure varies depending on the engine configuration, combustion chamber, etc. Common rail direct fuel injection is a direct fuel injection system built around a high-pressure (over 2,000 bar or 200 MPa or 29,000 psi) fuel rail feeding solenoid valves, as opposed to a low-pressure fuel pump feeding unit injectors (or pump nozzles).

TRACTIVE EFFORTS.

The rubber from which tyres are obtained is a milky white colour, but as a stabilising chemical agent, carbon black is applied to the rubber and makes the tyre black. And since the tyre is made stronger by carbon black, it contributes to a more stable trip. This makes the driver of the car safer, in exchange.

In a 2-stroke engine, all five functions of the cycle are completed in only two strokes of the piston (or one revolution of the crankshaft). In a 4-stroke engine, the five functions require four strokes of the piston (or two revolutions of the crankshaft).

The size of an engine refers to the total volume of air and fuel being pushed through the engine by the cylinders. It's measured in cubic centimeters (cc).

A system that automatically maintains the rotational speed of an engine or other prime mover within relatively near limits irrespective of the load. A typical regulator controls the speed of an engine by adjusting the rate at which it is supplied with fuel.