Yazaki Maintenance Engineer Interview Questions, Process, and Tips for Experienced

Q1. Wgat is 4 stock engin
Ans. 
A 4-stroke engine is a type of internal combustion engine that completes four separate strokes (intake, compression, power, exhaust) in two crankshaft revolutions.
• 4-stroke engines are commonly used in cars, motorcycles, and other vehicles.

• They are more fuel efficient and produce less emissions compared to 2-stroke engines.

• Examples of 4-stroke engines include the engines found in most modern cars and motorcycles.
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Q2. Star dalta convection
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Q3. What is transfer
Ans. 
Transfer refers to the movement of something from one place to another.
• Transfer can involve the movement of physical objects, data, or energy.

• Examples of transfer include transferring files from one computer to another, transferring heat from a hot object to a cooler one, and transferring goods from one location to another.

• In maintenance engineering, transfer may refer to moving equipment or materials from one location
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Q4. Type of 3 phase moter
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Three-phase motors are commonly used in industrial applications due to their efficiency and power output.
• Three-phase motors have three sets of windings that are spaced 120 degrees apart.

• They are more efficient and have a higher power output compared to single-phase motors.

• Examples of three-phase motors include induction motors, synchronous motors, and brushless DC motors.
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Q1. What is transfer
Ans. 
Transfer refers to the movement of something from one place to another.
• Transfer can involve the movement of physical objects, data, energy, or even people.

• Examples of transfer include transferring files from one computer to another, transferring heat from a hot object to a cooler one, and transferring patients from one hospital to another.
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Q1. What is robotics , about robo
Ans. 
Robotics is the field of designing, building, and programming robots to perform various tasks.
• Robotics involves the use of mechanical, electrical, and computer engineering principles.

• Robots can be programmed to perform tasks such as assembly line work, surgery, and exploration.

• Robotics is a rapidly growing field with applications in industries such as manufacturing, healthcare, and space exploration.
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Q1. Robotics benefits and dis advantage
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Robotics benefits include increased efficiency and accuracy, while disadvantages include high initial costs and potential job loss.
• Benefits: increased efficiency, accuracy, productivity, safety, and cost savings

• Disadvantages: high initial costs, maintenance expenses, potential job loss, and lack of human touch

• Examples: robotic assembly lines, surgical robots, autonomous vehicles
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Quantitative Aptitude and Reasoning, English Grammer and Technical

Q1. What spanner size required to remove 12 mm bolt?
Ans. 
The spanner size required to remove a 12 mm bolt is typically 17 mm.
• The spanner size needed is usually 5 mm larger than the bolt size

• In this case, a 17 mm spanner would be required to remove a 12 mm bolt
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Q2. What is tapping process?
Ans. 
Tapping process is a method of cutting internal threads in a hole with the help of a tool called tap.
• Tapping is commonly used in manufacturing to create threaded holes for screws, bolts, and other fasteners.

• The tap is rotated and advanced into the hole to cut the threads.

• There are different types of taps such as taper tap, plug tap, and bottoming tap.

• Tapping can be done manually or with the help of a machine like a tap...read more
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Q3. What is industry 4.0?
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Industry 4.0 refers to the fourth industrial revolution characterized by the integration of digital technologies into manufacturing processes.
• Involves the use of technologies such as IoT, AI, big data, and automation to create smart factories

• Focuses on interconnected systems that can communicate, analyze data, and make decisions autonomously

• Aims to increase efficiency, productivity, and flexibility in manufacturing pro...read more
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Q4. What is the M E S?
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MES stands for Manufacturing Execution System, a software system used in manufacturing to track and control production processes.
• MES is a computerized system used in manufacturing to manage and monitor production processes on the factory floor.

• It helps to track and control the flow of work in a manufacturing operation.

• MES can provide real-time data on production, inventory, quality, and other key metrics.

• Examples of ME...read more
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Q1. 1.type and diffrance of encoders 2.MTBF&MTTR 3.Communication protocol plc
Ans. 
Encoders can be incremental or absolute, MTBF is Mean Time Between Failures, MTTR is Mean Time To Repair, common communication protocols for PLCs include Modbus and Profibus.
• Encoders can be incremental (provide relative position) or absolute (provide exact position)

• MTBF is the average time between failures of a system or component

• MTTR is the average time it takes to repair a failed system or component

• Common communicati...read more
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Q2. 4.Servo drive 5.vfd drive
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Plc programming test

Q1. Relevant experience required for the post.
Ans. You should have relevant experience in same domain.
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Q2. What do you know about maintenance activities and how can you deal with it?
Ans. 
Maintenance activities involve the regular inspection, repair, and upkeep of equipment and facilities to ensure their optimal functioning.
• Maintenance activities include preventive maintenance, corrective maintenance, and predictive maintenance.

• Preventive maintenance involves scheduled inspections and maintenance tasks to prevent equipment breakdowns.

• Corrective maintenance involves repairing equipment after a breakdown ...read more
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Q1. Online interview arrange from head branch.
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Q2. An online interview arrange in which head of department will ask some general questions related to our department and activities they will gauge you during conversation that you are applicable for the role...read more
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