Aira Euro Automation Interview Questions and Answers

Q1. Basic of electronics
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Q2. Regarding UPS & electric, Earthing
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Q1. Sallary details
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Q2. Self introduction
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30 min, basics of automations

Q1. Types of conveyor
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Types of conveyors include belt conveyors, roller conveyors, chain conveyors, screw conveyors, and pneumatic conveyors.
• Belt conveyors are used to transport materials horizontally or on an incline.

• Roller conveyors use rollers to move materials along a path.

• Chain conveyors use chains to move materials.

• Screw conveyors use a rotating helical screw blade to move materials.

• Pneumatic conveyors use air pressure to transport ma
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Q2. Cycle time calculation
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Q3. Lubrication types
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There are three main types of lubrication: boundary, mixed, and hydrodynamic.
• Boundary lubrication occurs when there is direct contact between two surfaces, with a lubricant film preventing metal-to-metal contact.

• Mixed lubrication involves a combination of boundary and hydrodynamic lubrication, with some direct contact and some separation between surfaces.

• Hydrodynamic lubrication occurs when a thick film of lubricant co...read more
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Q1. Personal information
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Q2. Family information
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Q1. Tell me about your self.
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Q2. What about your experience.
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I have over 5 years of experience in product management, leading cross-functional teams to launch successful products.
• Led the development and launch of a new mobile app that increased user engagement by 30%

• Managed a team of designers, engineers, and marketers to deliver projects on time and within budget

• Utilized data-driven insights to make informed product decisions and drive growth

• Collaborated with stakeholders to de
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Q1. Technical plus sustainability
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Q1. Retrofitting question
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Q1. 1. Detailed Iron casting process. 2. Major defects and overcoming procedure. 3. Detailed Zero based costing method. 4. Live prices of MMR. 5. About import and export procedures.
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Q1. About current market conditions and challenges faced with supplier. How to improve supplier handling and communication. Also about supplier selection and challenges faced.
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Q1. Difference between open loop and closed loop?
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Open loop does not have feedback mechanism, while closed loop does.
• Open loop system does not have a feedback mechanism to adjust the output based on the input.

• Closed loop system uses feedback from the output to control the input and maintain desired output.

• Open loop systems are simpler and less accurate, while closed loop systems are more complex but more accurate.

• Example: A toaster is an open loop system as it does no...read more
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Q2. What is equation of PID controller
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The equation of a PID controller is a control loop feedback mechanism used in industrial control systems.
• The equation for a PID controller is: u(t) = Kp*e(t) + Ki*∫e(t)dt + Kd*de(t)/dt

• Kp, Ki, and Kd are the proportional, integral, and derivative gains respectively

• The proportional term Kp reacts to the current error value

• The integral term Ki reacts to the accumulation of past errors

• The derivative term Kd reacts to the r
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Q3. Name any two pressure sensors
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Two common pressure sensors are piezoresistive sensors and capacitive sensors.
• Piezoresistive sensors: measure pressure by changes in electrical resistance

• Capacitive sensors: measure pressure by changes in capacitance
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Q4. Difference between open loop and closed loop
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Open loop does not have feedback mechanism, while closed loop does.
• Open loop system does not have a feedback mechanism to adjust the output based on the input.

• Closed loop system uses feedback from the output to adjust the input and maintain desired output.

• Examples of open loop systems include a toaster or a washing machine with a timer setting.

• Examples of closed loop systems include a thermostat controlling room temper
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Q1. Hot work hazard
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Q2. Height work hazard
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Q1. Basic DOL diagram and drawing DOL Circuit
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Q2. How to select plc and cards
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PLC and card selection depends on the application requirements and budget.
• Identify the required inputs and outputs

• Consider the communication protocols needed

• Evaluate the processing power and memory requirements

• Determine the budget and cost of ownership

• Research and compare different brands and models

• Consider the availability of technical support and spare parts

• Ensure compatibility with existing systems

• Consider the envir
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Q1. Altium, microprocessor, hardware design, schematic related questions
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Q1. HW design related questions
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Q1. He asked about career history and reasons behind leaving each company along with comparison of what i was earning with each past employer. It was a nice conversation. The intent was to understand my idea o...read more
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