Haier Appliances India Mechanical Maintenance Engineer Interview Questions and Answers

Aptitude/Technical test are combine and simple easy to crack.

Q1. Interviewer asked from your resume. Your skills how to learn that and where. Like Lean, 5S, Kaizen, 3M, 4M, Timwood, Poka-yoke , line balancing, tact time , CTQ, 7 QC tools , Why-why analiysis..etc. And a...read more
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Q2. Few technical questions. Most question are from general question from production.
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Q1. This was my final round when you shortlist on technical than you appear for HR interview. No one reject from HR round. Easy to crack simply they see the confidence of person and their background.
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Q2. Introduce your self , tell me about your family background.
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Q1. Tell me something about you
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Q2. Education background
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Q1. How to manage production Assembly line??
Ans. 
To manage production assembly line, one needs to focus on optimizing workflow, ensuring quality control, and maintaining equipment.
• Create a detailed plan for the assembly line process

• Ensure all equipment is functioning properly and maintained regularly

• Implement quality control measures to catch defects early

• Train and manage staff to ensure efficient workflow

• Continuously monitor and analyze production data to identify a
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Q2. Layout of Assembly Process
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The layout of assembly process involves arranging the workstations and equipment in a logical sequence to optimize efficiency.
• Identify the sequence of operations required to assemble the product

• Arrange the workstations and equipment in a logical order to minimize movement and transportation

• Ensure that the layout allows for easy access to tools and materials

• Consider the ergonomics of the workstations to minimize worker ...read more
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Q3. CTQ and CTP differences
Ans. 
CTQ refers to Critical to Quality while CTP refers to Critical to Process.
• CTQ is a customer-focused metric that measures the quality of a product or service.

• CTP is a process-focused metric that measures the critical steps in a process that affect the quality of the final product.

• CTQ is used to identify customer requirements and ensure they are met.

• CTP is used to identify critical process steps and ensure they are contr...read more
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Q4. LOB and kaizen concept
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Q1. Electrical assembly and manufacturing
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Q1. What is auto transfomer
Ans. 
An auto transformer is a type of transformer where part of the winding is common to both the primary and secondary circuits.
• Auto transformers have only one winding with multiple taps for input and output connections.

• They are more efficient and cost-effective compared to traditional transformers.

• Auto transformers are commonly used in voltage regulation applications.

• Example: A 220V to 110V step-down auto transformer.
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Q2. What's motor and type
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A motor is a device that converts electrical energy into mechanical energy. There are various types of motors including AC motors, DC motors, and servo motors.
• A motor is a machine that converts electrical energy into mechanical energy

• Types of motors include AC motors, DC motors, and servo motors

• AC motors run on alternating current and are commonly used in household appliances

• DC motors run on direct current and are ofte...read more
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Q3. What is circuit breaker
Ans. 
A circuit breaker is an electrical switch designed to protect an electrical circuit from damage caused by overload or short circuit.
• Automatically interrupts electrical flow when a fault is detected

• Can be reset manually after tripping

• Protects electrical devices and wiring from damage

• Commonly used in homes, buildings, and industrial settings

• Examples include thermal-magnetic, magnetic, and hydraulic-magnetic circuit break
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Q4. Which type ofac motor
Ans. 
The type of AC motor commonly used in production engineering is the induction motor.
• The most common type of AC motor used in production engineering is the induction motor.

• Induction motors are reliable, cost-effective, and require minimal maintenance.

• Other types of AC motors used in production engineering include synchronous motors and DC motors for specific applications.

• Examples of induction motor applications in produ...read more
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Q5. What is different motor and generator
Ans. 
Motors convert electrical energy into mechanical energy, while generators convert mechanical energy into electrical energy.
• Motors use electricity to produce motion, while generators use motion to produce electricity

• Motors have a rotor that spins within a stator, while generators have a rotor that is turned by an external force

• Motors are commonly used in appliances, vehicles, and industrial machinery, while generators a
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