Mann And Hummel Filter Production DET Interview Questions and Answers

2 stroke engine vs 4 stroke engine

Q1. About cummins like founder of Cummins etc
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Q2. About your self and Cummins
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Q1. Branch related and news
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Q1. What is jig brief
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A jig brief is a document that outlines the specifications and requirements for creating a jig, which is a tool used in manufacturing to guide the placement of parts.
• Describes the dimensions, materials, and tolerances for the jig

• Includes instructions on how to use the jig effectively

• May contain diagrams or drawings for reference
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Q2. What is fixture
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A fixture is a device used to securely hold and position a workpiece during a manufacturing operation.
• Fixtures are commonly used in machining operations to ensure accurate and repeatable positioning of the workpiece.

• They are designed to be rigid and stable to prevent movement during machining.

• Examples of fixtures include vices, clamps, jigs, and chucks.

• Fixtures can be custom-made for specific parts or standardized for
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Q3. What is grinding
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Grinding is a manufacturing process that involves removing material from a workpiece using an abrasive wheel.
• Grinding is a machining process used to finish surfaces or create shapes with high precision.

• It is commonly used in metalworking, woodworking, and other industries.

• Examples of grinding operations include surface grinding, cylindrical grinding, and centerless grinding.
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Q4. What is case hardening
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Case hardening is a heat treatment process used to increase the hardness of the surface of a metal while maintaining a tough and ductile core.
• Involves heating the metal to a specific temperature and then quenching it in a substance like water, oil, or salt to create a hardened outer layer

• Commonly used in manufacturing to improve the wear resistance of components like gears, shafts, and tools

• Examples include carburizing
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Q5. Why you want to join us
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Q1. Tell me about basic electrical
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Basic electrical concepts include voltage, current, resistance, and power, essential for understanding electrical systems.
• Voltage (V): The electrical potential difference, measured in volts. Example: A standard household outlet provides 120V.

• Current (I): The flow of electric charge, measured in amperes (A). Example: A light bulb may draw 0.5A.

• Resistance (R): The opposition to current flow, measured in ohms (Ω). Example...read more
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Q2. DoL starter explain in brief
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A DoL starter is a device used to control the starting and stopping of electric motors safely.
• DoL stands for Direct-on-Line, meaning the motor is connected directly to the power supply.

• It is commonly used for small motors, typically up to 5-10 HP.

• The DoL starter includes a contactor and overload relay for protection.

• Example: A DoL starter is often used in fans, pumps, and compressors.
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Q3. Star delta connection
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Quant , Logical REASONING , Java

Q1. Why should we hire you?
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Q2. What is your family background?
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Q3. Tell me about yourself.
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