Grundfos Pumps Penetration Testing Intern Interview Questions and Answers

Q1. Explain Compilation process steps?
Ans. 
Compilation process involves several steps to convert source code into executable code.
• Preprocessing: Includes header file inclusion, macro expansion, and conditional compilation.

• Compilation: Translates source code into assembly code.

• Assembly: Converts assembly code into machine code.

• Linking: Combines object files and libraries to create an executable file.

• Loading: Loads the executable file into memory and prepares it
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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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Q1. What is real dom and virtual dom in react
Ans. 
Real DOM is the actual representation of the HTML structure, while Virtual DOM is a lightweight copy used for efficient updates.
• Real DOM is slower as it directly manipulates the HTML structure.

• Virtual DOM is faster as it updates the lightweight copy and then syncs with the real DOM.

• React uses the Virtual DOM to minimize unnecessary re-rendering of components.

• Virtual DOM allows for efficient batch updates, improving per...read more
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There were 6 questions to be solved. 3 average and 3 tough questions.

Q1. Concepts ask in interview Java Threads Exception Collections Spring boot annotations Git
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Q1. A general conversations, regarding my experience, project.
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Q1. Write unit testing for adding two nimbers
Ans. 
Unit testing for adding two numbers
• Create a test case with two numbers and expected sum

• Call the function that adds two numbers

• Assert that the result matches the expected sum
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Q1. Explain challenge you faced in your last project
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Q1. Salary expectations
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Q1. What is jigs and fixtures, gcodes of cnc machines, drawing study, GD and T, Basic program for drilling and pcd calculations . hr is asked family background salary expectation job profile and duties and res...read more
Ans. 
Jigs and fixtures are tools used in manufacturing to hold and guide workpieces during machining processes.
• Jigs and fixtures are used to ensure accuracy and repeatability in machining operations.

• Gcodes are a standardized language used to control CNC machines.

• Drawing study involves analyzing technical drawings to understand dimensions, tolerances, and specifications.

• GD&T (Geometric Dimensioning and Tolerancing) is a syst...read more
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Q2. Different between jigs and fixtures
Ans. 
Jigs are used to guide and control the cutting tool, while fixtures hold and locate the workpiece.
• Jigs are used for drilling, tapping, and reaming operations.

• Fixtures are used for milling, grinding, and turning operations.

• Jigs are often made of steel and are more complex than fixtures.

• Fixtures are often made of cast iron and are simpler than jigs.

• Jigs are used to ensure accuracy and repeatability in mass production.

• Fix...read more
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Q3. G code for drilling and tapping
Ans. 
G code for drilling and tapping is used in CNC machines to control the movement of the drill and tap.
• G81 is used for drilling

• G84 is used for tapping

• The code specifies the depth, speed, and position of the drill or tap

• The code is written in a specific format and must be entered correctly for the machine to execute the command
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Q4. Pcd calculations
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Q5. Pcd driiling program for fanuc control
Ans. 
PCD drilling program for Fanuc control is a computer program used for drilling operations.
• PCD drilling program is used for drilling operations on materials like aluminum, copper, and composite materials.

• It is designed to work with Fanuc control systems.

• The program uses PCD (polycrystalline diamond) tools for drilling.

• It can be customized to meet specific drilling requirements.

• The program can be used for both roughing a
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Q6. How to make counter holes, which cutter using for the operations
Ans. 
Counter holes can be made using a counterbore cutter or a countersink cutter depending on the application.
• Counterbore cutters are used to create a flat-bottomed hole with a larger diameter than the original hole.

• Countersink cutters are used to create a conical recess at the surface of the material.

• The choice of cutter depends on the size and depth of the hole required, as well as the material being worked on.

• It is impo...read more
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Technical objective questions for cnc machines and programming knowledge for drawing study

Plant manager interview

Q1. Salary discussion after you agree for your salary then go to medical.
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