DENSO Mechanical Engineer Interview Questions and Answers

Tolerance refers to the acceptable range of variation in a physical dimension or property of a material or product.

• Tolerance is the difference between the maximum and minimum limits of a dimension or property.

• It ensures that parts fit together properly and function as intended.

• Tolerance can be specified as a numerical value or a range, such as +/- 0.1mm.

• Examples include the tolerance for the diameter of a shaft or the

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

• The least count of a micrometer is typically 0.01mm or 0.001mm depending on the type of micrometer.

• It is determined by the number of divisions on the thimble and the main scale.

• For example, a micrometer with 50 divisions on the thimble and a main scale reading in mm will have a least count of 0.01mm.

A jig is a type of tool used to control the location and/or motion of another tool. A fixture is a work-holding or support device used in the manufacturing industry.

• Jigs are used to guide cutting tools, while fixtures are used to hold workpieces in place during machining operations.

• Jigs and fixtures are commonly used in manufacturing processes such as welding, drilling, and milling.

• Examples of jigs include drill jigs, ...read more

Manpower in shift can be handled by proper planning, communication, training, and monitoring.

• Create a shift schedule that ensures adequate coverage and proper distribution of workload.

• Communicate clearly with employees about their shift timings, responsibilities, and expectations.

• Provide training to employees on their roles and responsibilities during the shift.

• Monitor the performance and productivity of employees duri...read more

I am a production engineer with experience in optimizing manufacturing processes and improving efficiency.

• Experienced in analyzing production data and identifying areas for improvement

• Proficient in implementing lean manufacturing principles to reduce waste and increase productivity

• Skilled in using CAD software to design and optimize production layouts

• Strong problem-solving and troubleshooting abilities

• Effective communi...read more

Metal is a solid material that is typically hard, shiny, malleable, ductile, and a good conductor of heat and electricity.

• Metal is a chemical element that is typically found in the Earth's crust.

• It is known for its strength, durability, and ability to conduct heat and electricity.

• Some common metals include iron, copper, aluminum, gold, and silver.

• Metals can be used for a variety of purposes, such as building materials,...read more

Bernoulli's theorem states that as the speed of a fluid increases, its pressure decreases.

• It is a fundamental principle of fluid dynamics

• It is based on the conservation of energy in a fluid

• It is used to explain the lift of an airplane wing

• It is also used in the design of carburetors and Venturi tubes

Motors convert electrical energy into mechanical energy, while generators convert mechanical energy into electrical energy.

• Motors use electricity to produce motion, while generators use motion to produce electricity

• Motors have a rotor that spins within a stator, while generators have a rotor that is turned by an external force

• Examples of motors include electric fans and washing machines, while examples of generators in

I want to join JTEKT because of their reputation for innovation and commitment to excellence in the production engineering field.

• JTEKT has a strong reputation for innovation and cutting-edge technology in the production engineering industry.

• I am impressed by JTEKT's commitment to excellence and continuous improvement in their products and processes.

• I believe that working at JTEKT will provide me with valuable opportuni...read more

7 QC is a set of quality control tools used in manufacturing to identify and solve production problems.

• 7 QC stands for Seven Quality Control tools

• These tools include Pareto analysis, cause-and-effect diagram, check sheet, control chart, histogram, scatter diagram, and flowchart

• They are used to analyze data, identify root causes of problems, and make informed decisions for process improvement

PPL stands for Production Per Labour and PPLH stands for Production Per Labour Hour.

• PPL is a measure of how much production is achieved per unit of labor input.

• PPLH is a measure of how much production is achieved per labor hour.

• Both metrics are used to evaluate the efficiency of production processes.

• For example, if a factory produces 100 units with 10 workers, the PPL would be 10 units per worker.

• If the same factory op...read more

Torque is a twisting force that causes rotation, while force is a push or pull that causes an object to move or change direction.

• Torque is measured in units of force multiplied by distance, such as newton-meters or pound-feet.

• Force is measured in units of mass multiplied by acceleration, such as newtons or pounds.

• Torque is important in rotating machinery, such as engines and motors.

• Force is important in many applicatio...read more

Assembly line processing is a manufacturing process where a product is assembled in a sequential manner by different workers or machines.

• It involves dividing the production process into smaller tasks

• Each worker or machine performs a specific task in a sequential manner

• The product moves from one station to another until it is completed

• It increases efficiency and reduces production time and cost

• Examples include automobil...read more

TSV stands for Test Specification and Verification. Testing process involves planning, designing, executing and reporting tests.

• TSV is a document that outlines the testing requirements and procedures

• Testing process involves identifying test scenarios and cases

• Test cases are executed and results are recorded

• Defects are reported and retested until resolved

• Final test report is generated

Take time, cycle time, and lead time are important metrics in production engineering.

• Take time is the time required to complete a single unit of production.

• Cycle time is the time required to complete a single step in the production process.

• Lead time is the time required to complete an entire production process from start to finish.

• Reducing cycle time can increase production efficiency.

• Reducing lead time can improve cus...read more

OEE stands for Overall Equipment Effectiveness and PPLH stands for Production Per Labor Hour.

• OEE is a metric used to measure the efficiency of manufacturing processes.

• It takes into account three factors: availability, performance, and quality.

• PPLH is a metric used to measure the productivity of labor in manufacturing processes.

• It is calculated by dividing the total production output by the total labor hours.

• Both OEE an...read more

Line balancing is the process of optimizing workloads across a production line. Loss cycle time refers to the time lost due to inefficiencies in the production process.

• Line balancing involves analyzing the production process to ensure that each workstation is being utilized efficiently

• The goal of line balancing is to minimize idle time and maximize productivity

• Loss cycle time refers to the time lost due to factors such...read more

TPM stands for Total Productive Maintenance and TQM stands for Total Quality Management.

• TPM is a maintenance program that aims to maximize equipment effectiveness and minimize downtime.

• TQM is a management approach that focuses on continuous improvement of product quality and customer satisfaction.

• TPM involves all employees in the maintenance process and emphasizes preventive maintenance.

• TQM involves all employees in th...read more

JH and JH steps are quality control methodologies used in manufacturing. 5S is a workplace organization method.

• JH stands for Job Handling and JH steps are a set of procedures used to ensure quality control in manufacturing processes.

• 5S is a workplace organization method that involves sorting, simplifying, sweeping, standardizing, and sustaining.

• JH steps and 5S are often used together to improve efficiency and quality i

FIFO and LIFO are inventory management methods used to manage stock and determine the cost of goods sold.

• FIFO stands for First-In, First-Out, which means that the first items purchased are the first items sold.

• LIFO stands for Last-In, First-Out, which means that the last items purchased are the first items sold.

• FIFO is commonly used in industries where perishable goods are sold, such as food and beverage.

• LIFO is common...read more

FRL unit is a filter, regulator, and lubricator unit used in compressed air systems. Solenoid valves are electromechanical valves used to control the flow of fluids.

• FRL unit is used to filter, regulate, and lubricate compressed air in pneumatic systems

• Solenoid valves are used to control the flow of fluids in various applications

• Solenoid valves are electromechanical valves that use an electric current to control the val...read more

I implemented new production processes and technologies to improve efficiency and quality.

• Introduced automated systems to streamline production processes

• Implemented lean manufacturing principles to reduce waste and improve productivity

• Led training sessions for employees to ensure smooth transition to new processes

• Collaborated with cross-functional teams to identify areas for improvement