Johnson Controls Hitachi Air Conditioning Accounts Manager Interview Questions and Answers

Q1. Why do we use compressor in VCRS
Ans. 
Compressors in VCRs are used to compress the refrigerant gas, increasing its pressure and temperature for efficient heat transfer.
• Compressors help in maintaining the desired temperature inside the VCR by compressing the refrigerant gas.

• They increase the pressure and temperature of the refrigerant gas, making it easier to transfer heat.

• Compressors play a crucial role in the cooling process of VCRs by circulating the ref...read more
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Q2. Questions related to your previous experience
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Q1. Related to your past experience and similar experience related to their Job Description
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It consist of basic questions from problem solving, and logical reasoning. They may include numerical, verbal and abstract reasoning question. You may use any quantitative aptitude reasoning book such as RS Aggarwal for quantitative aptitude.

Q1. It consist of basic technical maq question that you can easily solve by your basic logic.
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Q1. Ask your family background, why do you want to join our company? Which department do you prefer? and so on.
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Q1. About yourself in few words
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Q1. About yourself in few words
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General questions related to general knowledge

Q1. Interview questions related to draw die
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Q2. Press tool design which die were designed by me?
Ans. 
I have designed multiple press tool dies, including those for automotive parts and household appliances.
• Designed press tool die for automotive door panels

• Designed press tool die for household appliance components

• Implemented innovative features to improve efficiency and accuracy
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Q3. How many days required for designing draw die?
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The number of days required for designing a draw die can vary depending on the complexity of the design and the experience of the designer.
• The time required can range from a few days to several weeks, or even months.

• Factors such as the size, complexity, and precision of the draw die will impact the design time.

• Experienced designers may be able to complete the design more quickly than those with less experience.

• Collabor...read more
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Q4. What components are there in draw die?
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Components in draw die include die block, die plate, punch, and binder.
• Die block: main component that holds the die plate and provides support for the punch

• Die plate: contains the cavity that shapes the material being drawn

• Punch: used to push the material through the die plate

• Binder: surrounds the die cavity to control material flow and prevent wrinkling
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Q5. How to construct draw die?
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Constructing draw die involves designing and manufacturing a tool used in metal forming processes.
• Design the die according to the desired shape and dimensions of the final product.

• Select appropriate materials for the die based on the type of metal being formed.

• Manufacture the die using CNC machining or other precision manufacturing techniques.

• Test the die with sample materials to ensure it produces accurate and consist...read more
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20 min with general questions. If you know all the formulae of aptitude and logical reasoning and you are good with fast calculation, then this round is easy to crack. Just understand all the basic formula from RS Agarwal or any general books.

Q1. Technical questions are also basic but as I was interviewed for Hydraulic, so they may ask you intermediate questions on that.
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Q2. 1. What is the gas inside hydraulic accumulator ? 2. How proportional valve is different from Servo valve ? 3. Difference between diesel and petrol engine ? 4. Different types of bearing with application ?...read more
Ans. 
The interview questions cover topics related to hydraulic systems, engines, bearings, lubrication, and pumps.
• 1. The gas inside a hydraulic accumulator is typically nitrogen, which is used to store energy in the form of compressed gas.

• 2. Proportional valves control flow rate based on an input signal, while servo valves control flow rate based on feedback from a sensor.

• 3. Diesel engines use compression ignition, while pe...read more
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