Blue Star Service Engineer Interview Questions and Answers

Q1. Technical questions about your degree background or experience
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Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. Share details of your previous job.
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Q4. Why should we hire you?
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Q5. Why are you looking for a change?
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Q1. What is the superhit
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A superhit is a term used to describe a highly successful and popular product, service, or performance, often exceeding expectations.
• In entertainment, a superhit movie like 'Avatar' grossed over $2.8 billion worldwide.

• In music, a superhit song like 'Shape of You' by Ed Sheeran topped charts globally.

• In business, a superhit product could be the iPhone, which revolutionized the smartphone market.
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Q2. How to calculate tr
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TR (Time Response) is calculated by measuring the time taken for a system to respond to a stimulus.
• Identify the system's input and output parameters.

• Measure the time taken from input application to output response.

• Use a stopwatch or data acquisition system for accuracy.

• Example: If a sensor takes 2 seconds to respond after a signal is sent, TR = 2 seconds.
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Q3. How to working in chillar
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Chillers provide a continuous flow of coolant to the cold side of a process water system at a desired temperature of about 50°F (10°C).
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Q4. How to working in vrf system
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Each indoor fan coil unit has its own metering device that is controlled by the indoor unit itself, or by the outdoor unit. As each indoor unit sends a demand to the outdoor unit, the outdoor unit delivers the amount of refrigerant needed to meet the individual requirements of each indoor unit
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Q5. How to working in DX unit
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the evaporator is placed inside the space to be cooled. The refrigerant enters the DX cooling coils, where it absorbs the heat from the air and transforms to a gas. The refrigerant then moves into the condenser located outside, where the heat is released
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Q1. What is sub cooling and super heat
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Sub cooling and superheat are terms used in refrigeration to describe the temperature difference between the refrigerant's actual temperature and its saturation temperature.
• Sub cooling is the difference between the refrigerant's actual temperature and its saturation temperature at a particular pressure.

• Superheat is the difference between the refrigerant's actual temperature and its saturation temperature at a particula...read more
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Q2. The chiller condenser outlet line to super heat work and evaporator to compressor before sub cooling work
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Q1. Refrigeration basic cycle
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Q2. 1.Compressor to condenser 2.Condenser to expansion valve 3.Expansion valve to evaporator 4.Evaporator to compressor
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Q1. The split unit E6 error how to resolve
Ans. 
E6 error in a split unit can be resolved by checking the air filter, cleaning the coils, and resetting the unit.
• Check the air filter for any blockages or dirt buildup

• Clean the coils to ensure proper airflow and cooling

• Reset the unit by turning it off for a few minutes and then turning it back on

• Consult the user manual for specific troubleshooting steps
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Q2. Check the Indore to outdoor communication cable continuity continuous not coming means cable is failure and cable continuity is coming na board failure
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Manager and technical officer

One split AC installation work explain