JCB Engineer Interview Questions and Answers

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Q1. Oops, solid principles, mvc vs mvvm vs mvp
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Q1. About ur self and recent achievements
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Q1. NABL, HVAC related all questions
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Q1. NABL HVAC related questions in second round also.
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Q1. Salary discussion
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Q1. HR & plant head round ...
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Q2. Introduction, 3-4 technical questions also...
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Group discussion about last company experience
About job responsibilities
About skill development

Q1. Personally discussion and salary discussion
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Q1. HVAC related technical questions & answers Conduct demo for design on solid work
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Q1. General question form HR side About my self etc..
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Q1. Genral Technical Issues you face most often in air conditioning relevant products
Ans. 
Common technical issues in air conditioning products include refrigerant leaks, faulty compressors, and clogged filters.
• Refrigerant leaks can lead to decreased cooling efficiency and potential environmental harm.

• Faulty compressors may result in inadequate cooling or complete system failure.

• Clogged filters can restrict airflow and reduce overall system performance.
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Q1. What is the VCRS cycle?
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The VCRS cycle stands for Vapor Compression Refrigeration System, which is a common method used for cooling in various applications.
• VCRS cycle uses a refrigerant to absorb heat from a low temperature environment and release it in a high temperature environment.

• The cycle consists of four main components: compressor, condenser, expansion valve, and evaporator.

• Examples of VCRS cycle applications include air conditioning s
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Q2. What is sub-cooling and how does it work?
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Sub-cooling is the process of lowering the temperature of a liquid below its boiling point to increase its efficiency in heat transfer.
• Sub-cooling involves removing additional heat from a liquid to lower its temperature below its saturation point.

• This process increases the efficiency of heat transfer by ensuring the liquid remains in a liquid state rather than vaporizing.

• Sub-cooling is commonly used in refrigeration sy...read more
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Q1. Transaction in Java
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A transaction in Java is a unit of work that is performed as a single, indivisible operation.
• Transactions ensure data integrity by either committing all changes or rolling them back if an error occurs.

• Transactions are typically used in database operations to ensure consistency.

• In Java, transactions are commonly implemented using frameworks like Spring's @Transactional annotation.
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Q2. GitHub code push
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Q1. Technical discussion
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Q1. Shift, behaviour,terms conditions
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