Kaveri Seed Company Maintenance Assistant Interview Questions and Answers

Q1. Introduction and overall career
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Q2. Technologies and related electrical
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Q1. Transformers and LT HT
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Q2. Panels and plc basis electrical
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Q1. Past salary and role
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Q2. Expect salary and negotiate
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Q1. Draw the star delta controlling
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Star delta controlling is a method used to reduce the starting current of induction motors.
• Star delta controlling involves initially connecting the motor windings in a star configuration for starting, then switching to a delta configuration for running.

• It is commonly used for large induction motors to reduce the starting current and torque.

• The transition from star to delta configuration is typically controlled by a mot...read more
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Q2. How many contactor use in star delta??
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In star delta connection, typically two contactors are used.
• In star delta connection, one contactor is used for star connection and another contactor is used for delta connection.

• The star contactor is typically rated for the current of one winding, while the delta contactor is rated for the full motor current.

• Using two contactors helps in reducing the starting current and torque in the motor.

• For example, a 3-phase moto...read more
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Q3. Draw the single line diagram for DOL.
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Single line diagram for DOL is a simple representation of Direct-On-Line motor starter circuit.
• DOL starter consists of a contactor, overload relay, and start/stop push buttons.

• The single line diagram shows the connections between these components.

• The power supply is connected to the contactor, which is then connected to the motor.

• The overload relay is connected in series with the motor to protect it from overloading.

• St...read more
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Q1. Reactor mechanical seals
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Single seals and double seals , Dri seals and Bellow seals
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Q2. Breakdown maintenance and preventive maintenance
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Reactors, ANFD, Centrifuge, centrifugal pumps, vacuum pumps , Millers and Avpf (Automatic vartical pressure filter)
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Q3. Centrifuge problems
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Centrifuge problems can range from imbalance to motor issues, affecting sample separation and overall performance.
• Check for proper balance of samples in the rotor

• Inspect the motor for any signs of damage or malfunction

• Ensure the centrifuge is on a level surface to prevent imbalance

• Clean and maintain the centrifuge regularly to prevent buildup of debris

• Consult the manufacturer's manual for troubleshooting tips
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Q1. ANFD problems and maintenance
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ANFD problems and maintenance involve troubleshooting and maintaining equipment used in the Agitated Thin Film Dryer process.
• Regular inspection and cleaning of ANFD equipment to prevent buildup and clogging

• Monitoring temperature and pressure levels to ensure optimal operation

• Replacing worn out parts or components to prevent breakdowns

• Calibrating sensors and instruments for accurate readings

• Training staff on proper oper...read more
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Q2. Centrifugal pumps
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Q1. Total experience
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Q2. Family details and salary details
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Excellent commitment co-operative & believe in team work.
Keeping organization goals a priority.
Competitive, efficient, Hardworking and Goal oriented

Q1. Introduction about yourself
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Q2. Introduce yourself and past experience
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Q1. Flash point of chemicals
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Flash point is the lowest temperature at which a chemical can vaporize to form an ignitable mixture in air.
• Flash point is important for determining the safe handling and storage of chemicals.

• It is measured using a closed cup or open cup method.

• Examples of chemicals with low flash points include gasoline and acetone.

• Chemicals with high flash points include diesel fuel and motor oil.
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Q1. Salary structure discussion
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Q1. Just 5 min interview happen..2-3 technical questions ask, I given right answer of all then also not selected. Already reference candidate fixed
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Machine design, SOM, Production, Thermodynamics fluid

Q1. Gear and types lathe machine working thermodynamics law coupling
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