30+ Cummins Interview Questions and Answers

There are three types of use angles projection commonly used in the Indian industry.

• Isometric projection

• Orthographic projection

• Perspective projection

A least count vernier caliper is a measuring instrument used in engineering and manufacturing to accurately measure small distances.

• It consists of a main scale and a sliding vernier scale.

• The main scale has larger divisions and the vernier scale has smaller divisions.

• The least count is the smallest distance that can be measured accurately using the caliper.

• The least count is determined by the difference between one main scale division and one vernier scale division.

• For exampl...read more

GD&T stands for Geometric Dimensioning and Tolerancing. It is a system used to define and communicate engineering tolerances.

• GD&T is a symbolic language used to specify the dimensions, form, orientation, and location of features on a part.

• It ensures that parts are manufactured and assembled correctly, by providing a clear and precise way to communicate design requirements.

• GD&T uses symbols, such as concentricity, perpendicularity, and position, to define the allowable variati...read more

The purpose of this company is to provide financial services and solutions to individuals and businesses.

• To offer customized financial solutions to clients

• To help clients achieve their financial goals

• To provide excellent customer service

• To stay up-to-date with industry trends and regulations

• To maintain a strong reputation in the financial industry

CNC stands for Computer Numerical Control.

• CNC is a manufacturing process that uses computerized controls to operate and control machine tools.

• It involves the use of pre-programmed software to control the movement of tools and machinery in the production of complex parts.

• CNC machines are widely used in industries such as automotive, aerospace, and manufacturing.

• Examples of CNC machines include CNC mills, lathes, routers, and plasma cutters.

Handling problem, SPC, MSA, IATF, GD&T, Inspection instruments requires a systematic approach.

• Understand the problem and its root cause

• Use statistical process control (SPC) to monitor and control the process

• Conduct measurement system analysis (MSA) to ensure accuracy of inspection instruments

• Adhere to International Automotive Task Force (IATF) standards for quality management

• Use Geometric Dimensioning and Tolerancing (GD&T) to ensure proper design and manufacturing

• Regularly c...read more

I know multiple programming languages.

• Proficient in Java and Python

• Familiar with C++ and JavaScript

• Experience with SQL and HTML/CSS

Yes, I have a technical certification in industrial automation.

• I have completed a certification course in industrial automation from XYZ institute.

• The course covered topics such as PLC programming, HMI design, and SCADA systems.

• I also have hands-on experience in operating and troubleshooting industrial automation equipment.

• The certification has helped me develop a strong understanding of the production process and how to optimize it for efficiency.

The first law of thermodynamics states that energy cannot be created or destroyed, only transferred or converted.

• Energy is a conserved quantity in thermodynamics

• It can be transferred between systems or converted from one form to another

• The law is based on the principle of conservation of energy

• Example: When a hot cup of coffee is left on a table, it cools down as heat energy is transferred to the surroundings

The zeroth law of thermodynamics states that if two systems are in thermal equilibrium with a third system, they are in thermal equilibrium with each other.

• The zeroth law establishes the concept of temperature and thermal equilibrium.

• It states that if two systems are separately in thermal equilibrium with a third system, they are also in thermal equilibrium with each other.

• This law allows the definition of temperature scales and the measurement of temperature.

• For example, if ...read more

The main stages of project management include initiation, planning, execution, monitoring and control, and closure.

• Initiation: Defining the project's objectives, scope, and stakeholders.

• Planning: Developing a detailed project plan, including tasks, resources, and timelines.

• Execution: Carrying out the project plan and managing resources effectively.

• Monitoring and Control: Tracking project progress, identifying and resolving issues, and ensuring adherence to the plan.

• Closure: C...read more

QCC stands for Quality Control Circle and PPM stands for Parts Per Million. PPM can be reduced by improving quality control processes.

• QCC is a group of employees who work together to identify and solve quality-related problems in their workplace.

• PPM is a measure of the number of defective parts in a million parts produced.

• Reducing PPM involves improving quality control processes, such as implementing statistical process control and conducting regular quality audits.

• By reducin...read more

My favourite subject is Mathematics.

• I enjoy solving complex problems and equations.

• I find it fascinating how mathematical concepts can be applied in various fields.

• I appreciate the logical and analytical thinking required in Mathematics.

• I have excelled in Mathematics throughout my academic career.

• For example, I particularly enjoyed studying calculus and algebra in high school.

Magnetic shock absorbers are fabricated using a combination of magnetic and mechanical components.

• Magnetic shock absorbers use a piston that moves through a magnetic field to generate damping force.

• The piston is typically made of a magnetic material such as neodymium or samarium cobalt.

• The magnetic field is created by a series of permanent magnets or an electromagnet.

• The mechanical components include a housing, seals, and a fluid that provides damping.

• The housing is typically...read more

Production process and application involve the steps and methods used to manufacture products and their practical uses.

• Production process includes planning, designing, prototyping, testing, and manufacturing.

• Application involves determining the practical uses of the product and how it can benefit the end-user.

• Production process and application are interdependent and require collaboration between engineers, designers, and marketing teams.

• Examples include the production of auto...read more

7 QC tools can be drawn in Excel sheet

• Create a table for data collection

• Use scatter diagram for analyzing data

• Use histogram for frequency distribution

• Use Pareto chart for identifying major issues

• Use fishbone diagram for root cause analysis

• Use control chart for monitoring process performance

• Use flowchart for process mapping

One of the popular leath machines is Lathe Machine.

• Lathe Machine is used for shaping and cutting metals.

• It rotates the workpiece against a cutting tool.

• Examples include Engine Lathe, Turret Lathe, and Speed Lathe.

There are 5 phases of APQP: Planning, Product Design, Process Design, Product and Process Validation, and Feedback, Assessment, and Corrective Action.

• Phase 1: Planning involves defining the project scope, objectives, and timeline.

• Phase 2: Product Design focuses on creating the product design based on customer requirements.

• Phase 3: Process Design involves developing the manufacturing process to produce the product.

• Phase 4: Product and Process Validation includes testing the pr...read more

EPS stands for Earnings Per Share, a financial metric used to evaluate a company's profitability.

• EPS is calculated by dividing a company's net income by the number of outstanding shares of its common stock.

• It is an important metric for investors as it helps them determine the value of a company's stock.

• A higher EPS indicates that a company is more profitable and can generate more earnings for its shareholders.

• EPS can be used to compare the profitability of different companies...read more

GD&T symbols are geometric dimensioning and tolerancing symbols used to specify the dimensions and tolerances of a part.

• GD&T symbols are used to communicate design intent and ensure parts are manufactured correctly

• Examples of GD&T symbols include concentricity, perpendicularity, and position

• GD&T symbols are often used in engineering drawings and blueprints

• Understanding GD&T symbols is important for quality control and inspection processes

Chain stitch formations are a type of stitch pattern commonly used in sewing and embroidery.

• Chain stitches are created by looping the thread back on itself to form a chain-like appearance.

• They are often used for decorative purposes or to create a strong and flexible seam.

• Examples of chain stitch formations include the hand embroidery technique of chain stitching and the chain stitch used in sewing machines.

• Chain stitches can be easily undone by pulling the end of the thread, ...read more

7QC tools are a set of techniques used for quality control and process improvement.

• Check sheets: used to collect data and identify patterns

• Pareto charts: used to identify the most frequent problems

• Cause-and-effect diagrams: used to identify the root cause of a problem

• Histograms: used to analyze data distribution

• Control charts: used to monitor process performance

• Scatter diagrams: used to identify relationships between variables

• Flowcharts: used to visualize a process and identi...read more

Machining program and problems

• Machining programs are used to control the cutting tools and machines used in manufacturing.

• Problems can arise due to errors in the program, machine malfunctions, or material defects.

• Common issues include tool breakage, poor surface finish, and incorrect dimensions.

• Regular maintenance and calibration can help prevent problems and ensure consistent quality.

• Continuous improvement efforts can also identify and address recurring issues.

My aim is to become a skilled and efficient machine operator, consistently producing high-quality products while ensuring safety and efficiency.

• To continuously improve my technical skills and knowledge in operating various types of machines

• To maintain a high level of productivity and quality in my work

• To prioritize safety protocols and procedures to prevent accidents and ensure a safe working environment

• To work collaboratively with team members to achieve production goals

• To s...read more

PPAP stands for Production Part Approval Process, which is a standardized method used in the automotive industry to ensure that suppliers can consistently deliver high-quality parts.

• PPAP is a set of documentation and approval processes that suppliers must follow to demonstrate their ability to meet customer requirements

• It includes various levels or submission levels, ranging from Level 1 to Level 5

• Each level has specific requirements and documentation that need to be submitte...read more

Machine Design theory deals with the principles and techniques used in designing machines.

• It involves understanding the function and purpose of the machine

• Consideration of materials, manufacturing processes, and safety

• Application of mathematical and scientific principles

• Examples include designing engines, robots, and manufacturing equipment

APQP stands for Advanced Product Quality Planning and consists of five phases.

• Phase 1: Planning and Program Definition - This phase involves defining the project scope, establishing the team, and creating a timeline.

• Phase 2: Product Design and Development - In this phase, the product design is developed, including prototypes and testing.

• Phase 3: Process Design and Development - The manufacturing process is designed and developed, including creating control plans and conductin...read more