BIC Cello Design and Product Development Engineer Interview Questions and Answers for Freshers

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Q1. What is difference between interface and abstract class
Ans. 
Interface is a contract with no implementation, while abstract class can have some implementation.
• Interface cannot have any implementation, only method signatures

• Abstract class can have both abstract methods and concrete methods

• A class can implement multiple interfaces but can only inherit from one abstract class

• Interfaces are used to achieve multiple inheritance in Java
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Q2. What are main concepts of oops
Ans. 
Main concepts of OOP include encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Ability of a class to inherit properties and behavior from another class.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the complex implementation details and showing only the nec
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Q1. State the type of cables use in a project
Ans. 
The type of cables used in a project depends on the application and requirements.
• Power cables for transmitting electrical power

• Data cables for transmitting digital signals

• Coaxial cables for high-frequency applications

• Fiber optic cables for high-speed data transmission

• Shielded cables for noise reduction

• Twisted pair cables for balanced signals

• Ribbon cables for flat and compact connections
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Q2. State the type of electrical equipment us in a project
Ans. 
The type of electrical equipment used in a project depends on the project requirements and specifications.
• Power supplies

• Circuit breakers

• Transformers

• Switches

• Motors

• Generators

• Control panels

• Sensors

• Actuators

• Lighting systems
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Q1. What's inventory, rejection control, material management
Ans. 
Inventory, rejection control, and material management are essential aspects of production engineering.
• Inventory refers to the stock of raw materials, work-in-progress, and finished goods that a company holds for production and sales.

• Rejection control involves implementing measures to minimize the rejection of defective products during the manufacturing process.

• Material management includes planning, sourcing, purchasing...read more
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Q1. Self introduction work experience
Ans. My name is Gautam Kumar i am from Bihar i have done my schooling from Bihar So i am completed b.tech in mechanical engineer from Delhi institute of engineering and technology Meerut Uttar Pradesh I have seven members in my family
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Q2. Company details in work in experience
Ans. Zf steering gear company pune maharashtra 1 year
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Mr. B. S. Bhatia sir

Q1. Personal and tecnical
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Q2. Personal family bac
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Q3. Tecnical and work process
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Q4. Store managment
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Q5. Final hr and documentation
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Q1. About your self
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Q2. Salary accepted
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Q1. What productivity?
Ans. 
Productivity refers to the efficiency of production processes and the output generated relative to the input.
• Productivity is a measure of how efficiently resources are used to produce goods or services.

• It can be calculated by dividing output by input, such as units produced per hour of labor.

• Improving productivity often involves optimizing processes, reducing waste, and increasing efficiency.

• Examples include implementi...read more
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Q2. What percentage of rejection acceptable in production?
Ans. 
The acceptable percentage of rejection in production varies depending on industry standards and company goals.
• Acceptable rejection rates typically range from 1-5% in most industries.

• Some industries, such as automotive or aerospace, may have stricter standards with rejection rates below 1%.

• Continuous improvement efforts aim to reduce rejection rates over time.

• Factors like product complexity, production process, and qual...read more
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