Jai Balaji Group Engineer Interview Questions and Answers

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Q1. Question about what you studied technical branch that will ask
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Q2. Round 3 HR Personal information, occupation of father and mother
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Q1. Electrical basis questions. As that ckt. diagrams of motor satr and delta connection control & power supply.
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Q2. Motor megger value & cable size as per rating of motor.
Ans. 
Motor megger value should be at least twice the rated voltage of the motor. Cable size should be selected based on the full load current of the motor.
• Motor megger value should be at least 2 times the rated voltage of the motor to ensure insulation integrity.

• Cable size should be selected based on the full load current of the motor to prevent overheating and voltage drop.

• For example, for a motor rated at 400V, the megger...read more
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Q3. OLR value of motor as per rating of motor & MPCB rating.
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OLR value of a motor is determined by the rating of the motor and the MPCB rating.
• OLR value is the Overload Relay value, which is used to protect the motor from overload conditions.

• The OLR value is typically set based on the rating of the motor and the rating of the Motor Protection Circuit Breaker (MPCB).

• For example, if a motor has a rating of 5 HP and the MPCB rating is 10A, the OLR value would be calculated accordin
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Q1. Can you tell me about yourself?
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Q1. Gearbox ratio of cooling tower
Ans. 
The gearbox ratio of a cooling tower determines the speed at which the fan operates relative to the motor.
• The gearbox ratio is calculated by dividing the number of teeth on the fan gear by the number of teeth on the motor gear.

• For example, if the fan gear has 20 teeth and the motor gear has 40 teeth, the gearbox ratio would be 0.5.

• A higher gearbox ratio means the fan will rotate slower than the motor, while a lower rat
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Q1. Types of steel, and Regarding all steel process.
Ans. 
Types of steel and the steel process
• Types of steel include carbon steel, stainless steel, and alloy steel

• Steel process involves steps like melting, refining, casting, rolling, and heat treatment

• Examples of steel processes are Bessemer process, open hearth process, and electric arc furnace process
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Q2. Define your self and related to your stream Question
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