Atlas Copco Manufacturing Engineer Interview Questions and Answers

Q1. About mines, competitors
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Q2. Drawing stds, EV
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Q1. What is the control valve and operation
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A control valve is a device used to regulate the flow of a fluid in a system by varying the size of the flow passage.
• Control valves are commonly used in industries such as oil and gas, chemical, and power plants.

• They can be operated manually, pneumatically, electrically, or through a combination of these methods.

• The operation of a control valve involves adjusting the position of the valve plug or disc to control the fl...read more
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Q1. Salary expectations
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Q1. Introduce yourself briefly?
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I am a highly skilled and experienced Project Engineer with a strong background in managing complex engineering projects.
• Over 10 years of experience in project management and engineering

• Proficient in utilizing project management software and tools

• Strong leadership and communication skills

• Proven track record of successfully delivering projects on time and within budget

• Experience in coordinating with cross-functional tea...read more
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Q2. What projects you have done in previous company
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I have worked on various projects in my previous company, including the construction of a new office building and the implementation of a software system for project management.
• Construction of a new office building

• Implementation of a software system for project management
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Q3. What is lifecycle of project
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The lifecycle of a project refers to the stages it goes through from initiation to closure.
• Initiation: project is defined and approved

• Planning: project objectives, scope, and resources are determined

• Execution: project plan is put into action

• Monitoring and Control: project progress is tracked and necessary adjustments are made

• Closure: project is completed and evaluated

• Examples: construction of a building, development of...read more
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Q4. What are the industrial communication protocols
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Industrial communication protocols are standards for data exchange between devices in industrial automation and control systems.
• Some common industrial communication protocols include Modbus, Profibus, DeviceNet, Ethernet/IP, and CANopen.

• These protocols enable devices from different manufacturers to communicate with each other and exchange data.

• Industrial communication protocols can be wired or wireless, and can operate...read more
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Q5. What are the settings required in MODBUS
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MODBUS settings include baud rate, parity, data bits, stop bits, and slave address.
• Baud rate determines the speed of communication between devices.

• Parity is used for error checking and can be set to even, odd, or none.

• Data bits determine the number of bits used to represent each character.

• Stop bits indicate the end of a character and can be set to 1 or 2.

• Slave address is used to identify the device on the network.

• Examp...read more
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Q6. Maximum speed in modbus
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The maximum speed in Modbus depends on the baud rate and cable length.
• Modbus speed is measured in baud rate

• Higher baud rates allow for faster data transfer

• Cable length can also affect the maximum speed

• For example, at 9600 baud rate, the maximum cable length is 1200 meters
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Q7. How many device add in modbus
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The number of devices that can be added in Modbus depends on the network architecture and the number of available addresses.
• The maximum number of devices that can be added to a Modbus network is 247.

• The number of available addresses depends on the type of Modbus protocol used (RTU or TCP/IP).

• The network architecture also plays a role in determining the number of devices that can be added.

• It is important to ensure that ...read more
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Q8. Types of modbus communication
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Modbus communication types include RTU, ASCII, and TCP/IP.
• RTU (Remote Terminal Unit) is a serial communication protocol that uses binary code to transmit data.

• ASCII (American Standard Code for Information Interchange) is a serial communication protocol that uses ASCII characters to transmit data.

• TCP/IP (Transmission Control Protocol/Internet Protocol) is a network communication protocol that uses Ethernet to transmit d...read more
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Q9. On which scada you are worked
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I have worked on multiple SCADA systems including Wonderware, Ignition, and Inductive Automation.
• I have experience with configuring and programming SCADA systems

• I have worked with Wonderware, Ignition, and Inductive Automation

• I am familiar with creating HMI screens, alarms, and trends

• I have experience with PLC communication and data acquisition

• I have worked on projects in various industries including manufacturing and
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Q10. What is maximum Input output handle
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The maximum input output handle refers to the maximum number of inputs and outputs that a device can handle.
• The maximum input output handle varies depending on the device and its specifications.

• It is important to consider the maximum input output handle when selecting a device for a project.

• For example, a PLC may have a maximum input output handle of 256 inputs and 256 outputs.

• Another example is a microcontroller with ...read more
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Q11. How many pages designed in HMI
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The number of pages designed in HMI depends on the project requirements and complexity.
• The number of pages can range from a few to hundreds depending on the project scope.

• The complexity of the HMI design and functionality also affects the number of pages.

• Factors such as user interface, data visualization, and system integration can impact the number of pages.

• It is important to prioritize user experience and ease of nav
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Q1. What is Profibus?
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Profibus is a widely used fieldbus communication protocol in industrial automation.
• Profibus stands for Process Field Bus.

• It is used for communication between field devices and control systems in industrial automation.

• There are two main types of Profibus: Profibus DP (Decentralized Peripherals) and Profibus PA (Process Automation).

• Profibus uses a master-slave communication model.

• It is known for its high-speed data trans...read more
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Q2. How to troubleshoot Profibus
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Troubleshooting Profibus involves checking physical connections, network configuration, and device settings.
• Check physical connections to ensure cables are properly connected and not damaged.

• Verify network configuration settings such as baud rate, parity, and address assignments.

• Inspect device settings to ensure they match the network configuration and are functioning correctly.

• Use diagnostic tools like Profibus analyz...read more
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Q1. Tell about yourself
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Q2. Current work experience
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Good experience in interview

Q1. Cable Length for PA cables and their diameter.
Ans. 
The cable length for PA cables varies depending on the specific application, while the diameter is typically determined by the current carrying capacity and voltage requirements.
• Cable length for PA cables can range from a few meters to several hundred meters, depending on the distance between the PA system and the speakers.

• The diameter of PA cables is usually determined by the current carrying capacity and voltage requ...read more
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Q2. Type of smoke detectors.
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There are two main types of smoke detectors: ionization and photoelectric.
• Ionization smoke detectors use a small amount of radioactive material to ionize the air and detect smoke particles.

• Photoelectric smoke detectors use a light beam to detect smoke particles in the air.

• Dual sensor smoke detectors combine both ionization and photoelectric technologies for more comprehensive detection.
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Q1. Salary expectations
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Q2. Openness for work from the office
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I am open to working from the office as needed for collaboration and team communication.
• I believe in the importance of face-to-face interactions for effective communication and teamwork

• I am flexible and willing to work from the office when required for project meetings or discussions

• I understand the benefits of being physically present in the office for certain tasks or projects
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