John Distilleries Senior Electrical Technician Interview Questions and Answers

Good experience cracking The APT in 1st Attempt

Q1. How is your Carrier Background wrt College and Personal life
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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
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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
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Q3. Technical skills
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Q4. Behavior and punchuality
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Q5. Wiring in panels
Ans. 
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
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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
Ans. 
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. Tell me sumthing about your self
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Q2. Tell me your working style
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Q3. Tell me your leave organization
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Q1. Tell me about yourself.
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Q1. About your qualifications
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Aptitude test about sales planning.

Q1. Scheme, route, beat details
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