Godrej Jersey Refrigeration Technician Interview Questions and Answers for Experienced

Q1. How to plant start up process
Ans. 
The plant start up process involves preparing equipment, conducting safety checks, and gradually bringing the plant online.
• Ensure all equipment is properly prepared and in working order

• Conduct safety checks to identify and mitigate any potential hazards

• Gradually bring the plant online to avoid sudden surges in production

• Monitor the process closely for any issues or abnormalities

• Have a contingency plan in place in case ...read more
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Q2. How to hold plant on emergency
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To hold plant on emergency, ensure proper emergency response plan, backup systems, trained personnel, and communication protocols.
• Develop and implement an emergency response plan outlining procedures for different types of emergencies

• Install backup systems for critical equipment to prevent downtime during emergencies

• Train personnel on emergency procedures and conduct regular drills to ensure readiness

• Establish clear co...read more
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Technical knowledge questions answer |

Q1. ITI fitter trade NCVT
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Electrical knowledge

Q1. Drawing of Star delta starter
Ans. 
A star delta starter is a type of reduced voltage starter used for starting three-phase induction motors.
• Consists of a star contactor and a delta contactor

• Initially motor is started in star configuration to reduce starting current

• After a set time, switches to delta configuration for full speed operation
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Q2. Contactor interlocking with motors
Ans. 
Contactor interlocking is a safety feature to prevent simultaneous operation of multiple motors.
• Contactor interlocking ensures only one motor can run at a time to prevent overload.

• It is achieved by using electrical interlocks between contactors of different motors.

• For example, if Motor A is running, the contactor for Motor B will be prevented from closing.

• This prevents both motors from running simultaneously and causin...read more
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Q3. Technical skills
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Q4. Behavior and punchuality
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Q5. Wiring in panels
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Wiring in panels involves connecting electrical components using proper techniques and materials.
• Ensure proper wire sizing and insulation for the current being carried

• Follow wiring diagrams and manufacturer instructions for correct connections

• Use wire labels and organize cables neatly for easy troubleshooting

• Check for loose connections and secure all wires properly

• Test the panel for functionality and safety before clos...read more
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Q1. How many years experience
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Q2. What are there you are operating
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Q1. Cooling tower parameters
Ans. 
Cooling tower parameters include water flow rate, temperature, pressure, and chemical levels.
• Water flow rate must be monitored to ensure proper cooling efficiency

• Temperature of the water entering and exiting the tower should be measured

• Pressure levels need to be maintained within specified ranges

• Chemical levels such as biocides and corrosion inhibitors should be regularly checked
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Q2. Draw the HVAC process diagram
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The HVAC process diagram illustrates the flow of air through a heating, ventilation, and air conditioning system.
• Start with the intake of outside air through vents or ducts

• Air passes through filters to remove dust and particles

• Air is then heated or cooled by the HVAC unit

• The conditioned air is distributed through ductwork to different rooms

• Return air is collected and recirculated through the system
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Q1. Tell me about in company safety
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Q2. What is the PPE full form
Ans. 
PPE stands for Personal Protective Equipment.
• PPE is equipment worn to minimize exposure to hazards that can cause injuries or illnesses.

• Examples of PPE include gloves, goggles, helmets, and respirators.

• PPE is essential in maintaining safety in various industries such as construction, healthcare, and manufacturing.
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Q1. Electrical breakars
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Q2. Star delta drowing
Ans. 
Star-delta connection reduces starting current in three-phase motors, improving efficiency and reducing stress on electrical components.
• Star connection (Y) is used for starting, providing high voltage and low current.

• Delta connection (Δ) is used for running, providing high current and low voltage.

• Example: A 400V motor starts in star (230V per phase) and switches to delta for full power.

• Reduces mechanical stress and ele...read more
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Q1. Working Electrican
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Q2. Mitar binding cek
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Q3. Motar binding cek
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Q4. Dv painal wiring
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Q5. Motar binding cek Motar hiting cek Electrican full jankari
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Q1. Machine maintenance
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Q2. Machine maintenance powder plant
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Q3. Packaging machine
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