Lupin Junior Engineer Interview Questions and Answers

Q1. Laminar vs Turbulant Flow
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Laminar flow is smooth and orderly, while turbulent flow is chaotic and unpredictable.
• Laminar flow occurs at low velocities and is characterized by parallel layers of fluid moving in the same direction.

• Turbulent flow occurs at high velocities and is characterized by irregular fluctuations and mixing of fluid particles.

• Laminar flow is more energy-efficient and less noisy compared to turbulent flow.

• Examples: Laminar flow...read more
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Q2. Explain How Generator Works
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Generators work by converting mechanical energy into electrical energy through electromagnetic induction.
• Generators have a coil of wire that rotates within a magnetic field

• The rotation of the coil induces a current in the wire

• This current is then collected and transferred as electrical energy

• Examples include hydroelectric generators, wind turbines, and diesel generators
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Q1. Pipe Dimensions and Flow Calculations
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Q2. About heat Exchangers
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Equilibrium Limitations

Q1. Mechanical engineering subject question s
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Q2. Mechanical engineering subject question
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Easy train distances , height , clock , degree

Q1. About subject what you studied
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Q2. Basic knowledge about work related
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Q1. What is gear what is two stoke and for stoke engine
Ans. 
Gears are mechanical components that transmit power and motion between rotating shafts. Two-stroke and four-stroke engines are types of internal combustion engines.
• Gears are used to change the speed, torque, and direction of power transmission.

• Two-stroke engines have a simpler design and are lighter than four-stroke engines.

• Four-stroke engines are more fuel-efficient and produce less pollution than two-stroke engines.

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Q2. What is use of latch machine
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A latch machine is a digital circuit that stores data and can be used for memory and data storage applications.
• A latch machine is a type of flip-flop circuit that can store a single bit of data.

• It can be used for memory and data storage applications.

• It is commonly used in digital systems such as computers and microcontrollers.

• Examples of latch machines include D-latch, SR-latch, and JK-latch.
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Q1. Types of conveyors
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Q1. Personal related
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