Cadmaxx Solutions Interview Questions, Process, and Tips

Q1. Asking when u joining
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Q2. Asking CTC current company
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Q1. What is the difference between final, finalize, finally
Ans. 
final is a keyword used to declare constants, finalize is a method used for cleanup, and finally is a block used for exception handling.
• final is used to declare constants in Java, meaning the value cannot be changed once assigned.

• finalize is a method in Java used for cleanup operations before an object is garbage collected.

• finally is a block used in exception handling to ensure a piece of code is always executed, regar
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Q2. About Oops concept explanation
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Q1. What about spot welding?
Ans. 
Spot welding is a type of resistance welding used to join metal parts together by applying pressure and heat at localized points.
• Spot welding is commonly used in the automotive industry to join sheet metal components together.

• It is a quick and efficient welding process that can create strong and durable welds.

• Spot welding machines use electrodes to apply pressure and pass an electric current through the metal parts to ...read more
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Q2. What is Relay and working principle?
Ans. 
A relay is an electrically operated switch that uses an electromagnet to mechanically operate the switch contacts.
• Relays are used to control high power circuits with a low power signal.

• When the coil of the relay is energized, it creates a magnetic field that causes the switch contacts to close or open.

• Relays are commonly used in industrial applications, automotive systems, and control panels.

• There are different types o...read more
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Q3. Working principle of pneumatic cylinder?
Ans. 
Pneumatic cylinders operate using compressed air to create linear motion.
• Pneumatic cylinders use compressed air to move a piston back and forth within a cylinder.

• The compressed air is supplied through a valve, which controls the direction and speed of the piston.

• The piston is connected to a load, allowing the cylinder to exert force and move objects.

• Common applications include automation, manufacturing, and robotics.
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Q4. Basic work of PLC and HMI programing operations.
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Q5. Self introduction .
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Q6. Why skip last job ?
Ans. 
Seeking new challenges and growth opportunities.
• Looking for a new challenge to further develop skills

• Seeking growth opportunities that were not available in previous job

• Want to explore different industries or sectors
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Q7. Electrical and pneumatic jig clamp and Unclamp basic concepts.
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Q8. Solenoid valves working principle.
Ans. 
Solenoid valves use an electromagnetic coil to open and close a valve, controlling the flow of liquids or gases.
• Solenoid valves have an electromagnetic coil that generates a magnetic field when energized.

• This magnetic field moves a plunger or armature to open or close the valve.

• They are commonly used in applications such as controlling water flow in irrigation systems or air flow in pneumatic systems.
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Q9. Manipulator robot maintenance work.
Ans. 
Maintenance work on manipulator robots involves regular inspections, cleaning, lubrication, and troubleshooting of mechanical and electrical components.
• Regularly inspecting the robot for signs of wear and tear

• Cleaning the robot's joints and actuators to prevent buildup of debris

• Lubricating moving parts to ensure smooth operation

• Troubleshooting electrical components for any malfunctions

• Replacing worn out parts as needed...read more
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Q10. Equipments, Breakdown, Machine PM document work.
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Aptitude test was conducted. Not very high level.

Q1. SQL query to retrieve top 5 records.
Ans. 
Use SQL query with ORDER BY and LIMIT to retrieve top 5 records.
• Use SELECT statement to specify columns to retrieve

• Use ORDER BY clause to sort the records in descending order

• Use LIMIT clause to limit the number of records to 5
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Q2. SQL query to update data.
Ans. 
SQL query to update data in a database table.
• Use the UPDATE statement followed by the table name.

• Set the column(s) to be updated using SET keyword.

• Specify the new values for the columns to be updated.

• Add a WHERE clause to specify the condition for updating specific rows.

• Example: UPDATE table_name SET column1 = value1, column2 = value2 WHERE condition;
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Q1. Which software skills you worked on
Ans. 
I have worked on software skills such as Java, Python, SQL, and HTML/CSS.
• Java

• Python

• SQL

• HTML/CSS
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Q2. Which are clients you handled
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Q3. What is your strength
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Q4. Did you handled any clients
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Q5. What is your roles and responsibilities
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