20+ Ernst & Young Interview Questions and Answers

Implementing a visual management system to reduce waste in production processes.

• Implemented color-coded labels for different parts to reduce search time and inventory waste

• Created visual work instructions to reduce errors and rework

• Utilized kanban boards to optimize inventory levels and reduce overproduction

Motherson is a global automotive supplier known for its diverse product range and strong focus on quality and innovation.

• Motherson is a leading automotive supplier with a presence in multiple countries.

• The company offers a wide range of products including wiring harnesses, rearview mirrors, and interior components.

• Motherson is known for its commitment to quality and innovation in the automotive industry.

• The company has a strong focus on sustainability and environmental respon...read more

A zener diode is a type of diode that allows current to flow in the forward direction like a normal diode, but also in the reverse direction when the voltage reaches a certain threshold.

• Zener diodes are commonly used for voltage regulation and overvoltage protection in electronic circuits.

• They have a specific breakdown voltage, known as the zener voltage, at which they start conducting in the reverse direction.

• Zener diodes are often used in voltage regulator circuits to maint...read more

There are three main types of defects in die casting industry: surface defects, internal defects, and dimensional defects.

• Surface defects include issues like gas porosity, shrinkage porosity, and cold shuts.

• Internal defects can be caused by trapped air, inclusions, or improper metal flow.

• Dimensional defects may result from issues with the die or improper cooling.

• Examples of defects include porosity, cracks, and misshapen parts.

Tact time is the time taken to produce one unit, while process time is the total time taken to complete a process.

• Tact time is the time taken to produce one unit of a product, while process time is the total time taken to complete the entire process.

• Tact time is usually shorter than process time as it focuses on the time taken for one unit, while process time considers all units produced.

• Correlating tact time and process time helps in identifying bottlenecks and improving ove...read more

Ppap, fmeam, qc tool, capa, mistakes proofing, process audit, product audit are all important concepts in production and quality engineering.

• PPAP (Production Part Approval Process) is a standardized process used in the automotive industry to ensure that suppliers meet the required quality standards for their parts.

• FMEA (Failure Mode and Effects Analysis) is a systematic approach to identify and prioritize potential failures in a product or process, and take preventive actions...read more

Various sections of TDS and applicable rates include salary, interest, rent, professional fees, etc.

• Section 192 - TDS on salary at applicable slab rates

• Section 194A - TDS on interest (other than securities) at 10%

• Section 194I - TDS on rent at 10% for land/building and 2% for machinery/equipment

• Section 194J - TDS on professional fees at 10%

• Section 194C - TDS on payments to contractors/sub-contractors at 1% or 2%

The least count of a micrometer is the smallest measurement that can be accurately read on the micrometer scale.

• The least count of a micrometer is determined by the number of divisions on the thimble and the pitch of the screw.

• The formula to calculate the least count is: Least Count = Pitch / Number of divisions on the thimble.

• For example, if the pitch of the screw is 0.5 mm and there are 50 divisions on the thimble, the least count would be 0.01 mm.

• The least count represents...read more

A production engineer plays a crucial role in overseeing the manufacturing process to ensure efficiency and quality.

• Optimizing production processes to increase efficiency and reduce costs

• Ensuring quality control measures are in place to meet product specifications

• Troubleshooting production issues and implementing solutions

• Collaborating with other departments such as design and maintenance to improve processes

• Implementing new technologies and techniques to improve production o...read more

The question is asking about the wiring of an AC motor AC panel amplifier.

• AC motors require specific wiring to function properly

• AC panels are used to control and distribute power to the motor

• An amplifier may be used to boost the signal or power of the motor

• Proper wiring is essential for the safe and efficient operation of the motor

2 stroke and 4 stroke engines differ in their operation and design, with variations in the number of strokes, power output, and fuel efficiency.

• 2 stroke engines complete a power cycle in 2 strokes of the piston, while 4 stroke engines complete it in 4 strokes.

• 2 stroke engines have a simpler design with fewer moving parts, making them lighter and more compact.

• 4 stroke engines have separate intake, compression, power, and exhaust strokes, allowing for better fuel combustion and...read more

Mechanical engineering is a branch of engineering that applies principles of physics and materials science to design, analyze, and manufacture mechanical systems.

• Mechanical engineering involves designing, analyzing, and manufacturing mechanical systems.

• It applies principles of physics and materials science to solve engineering problems.

• Mechanical engineers work on a wide range of projects, from designing engines and turbines to developing robotics and automation systems.

• They ...read more

Lean manufacturing is a production method focused on minimizing waste and maximizing efficiency.

• Focuses on eliminating waste in all forms, including time, materials, and resources

• Involves continuous improvement and employee involvement in problem-solving

• Uses tools like 5S, Kanban, and value stream mapping to streamline processes

• Aims to deliver maximum value to customers with minimal waste

Journal entries for prepaid expenses involve debiting an asset account and crediting a prepaid expense account.

• Debit the Prepaid Expense account to increase it

• Credit the Cash/Bank account to decrease it

• Examples: Debit Prepaid Rent, Credit Cash

• Examples: Debit Prepaid Insurance, Credit Cash

Heat treatment is a process used to alter the physical and mechanical properties of materials through heating and cooling.

• Heat treatment involves heating a material to a specific temperature and holding it at that temperature for a certain period of time.

• The purpose of heat treatment is to change the material's microstructure, which in turn affects its hardness, strength, toughness, and other properties.

• Common heat treatment processes include annealing, tempering, quenching, ...read more

MPS stands for Master Production Schedule, which is a plan for production that includes specific quantities and timing of production.

• MPS is a detailed plan that specifies what will be produced, when it will be produced, and in what quantities.

• It takes into account factors such as customer demand, production capacity, and inventory levels.

• MPS helps in coordinating production activities and ensuring that production meets customer demand.

• Example: A company creates an MPS to prod...read more

6 s is the abbreviation for 6 sigma, a statistical measure of quality control in manufacturing processes.

• 6 s refers to the Six Sigma methodology used in process improvement.

• It aims to reduce defects and variations in manufacturing processes.

• Six Sigma uses statistical analysis and data-driven approaches to achieve high levels of quality.

• It focuses on minimizing process variation to improve efficiency and customer satisfaction.

• Companies often implement Six Sigma to improve prod...read more

OEE Rate stands for Overall Equipment Effectiveness Rate, which is a measure of how well a manufacturing process is performing.

• OEE Rate is calculated by multiplying Availability, Performance, and Quality rates together.

• It helps in identifying areas of improvement in the manufacturing process.

• A high OEE Rate indicates efficient use of equipment and resources.

• For example, if Availability rate is 90%, Performance rate is 95%, and Quality rate is 98%, then OEE Rate would be 84.6%...read more

Maintenance in HT LT motors involves regular inspection, cleaning, lubrication, and testing to ensure optimal performance and prevent breakdowns.

• Regularly inspect motor windings for signs of wear or damage

• Clean motor components to prevent dust buildup and overheating

• Lubricate bearings and moving parts to reduce friction and extend lifespan

• Test motor insulation resistance and electrical connections for faults

• Monitor motor temperature and vibration levels for abnormalities

• Sched...read more

QC stands for Quality Control. The 7 QC tools are a set of techniques used to identify and solve quality-related problems in production processes.

• QC is the process of ensuring that products or services meet specified requirements and standards.

• The 7 QC tools are: Pareto Chart, Cause and Effect Diagram, Check Sheet, Control Chart, Histogram, Scatter Diagram, and Stratification.

• These tools help in analyzing data, identifying root causes of defects, and implementing corrective a...read more

A wiring harness is a structured assembly of wires, connectors, and terminals that transmit electrical power and signals.

• Used in automotive applications to connect various electrical components, e.g., headlights, sensors.

• Facilitates organization and protection of wires, reducing the risk of damage and interference.

• Commonly found in appliances, aircraft, and industrial machinery for efficient electrical distribution.

• Can be custom-designed for specific applications, ensuring op...read more

8D is a problem-solving methodology used to identify, correct, and prevent recurring problems.

• 8D stands for Eight Disciplines and is commonly used in quality management.

• It involves a systematic approach to problem-solving, including root cause analysis, containment actions, and corrective actions.

• The goal of 8D is to address the root cause of a problem to prevent its recurrence.

• Example: An automotive company uses 8D to address a recurring issue with a specific component in th...read more

Voltage current problems refer to issues related to the flow of electricity in a circuit.

• Voltage drop can occur due to resistance in a circuit.

• Current overload can lead to overheating of components.

• Proper sizing of wires and components is essential to prevent voltage current problems.

• Use of voltage regulators and circuit protection devices can help mitigate issues.

• Examples: Short circuits, overloading of circuits, inadequate wire sizing.