Jindal Steel and Power Graduate Engineer Interview Questions and Answers

Q1. Technical questions
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Q2. Reasoning questions
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Q3. Science questions
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Q4. English question
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Q5. Mathematics question
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Q1. Introduction about your self
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Q1. Previous work experience required questions
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Q1. Building construction
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Q2. Road construction
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Q1. Question regarding motor, generator, Alternator and transformer.
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Q2. What are causes of hot bearings?
Ans. 
Causes of hot bearings include lack of lubrication, overloading, misalignment, and contamination.
• Lack of lubrication: Insufficient or degraded lubricant can cause increased friction and heat.

• Overloading: Excessive load on the bearing can lead to overheating.

• Misalignment: Improper alignment of the bearing can cause it to operate under stress and generate heat.

• Contamination: Foreign particles or debris in the bearing can
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Q3. What causes are responsible for over-heating of Commutator in a DC motor?
Ans. 
Over-heating of Commutator in a DC motor can be caused by factors like excessive current, poor ventilation, dirty environment, and worn-out brushes.
• Excessive current flowing through the motor can cause the commutator to overheat.

• Poor ventilation around the motor can lead to inadequate cooling, resulting in overheating.

• A dirty environment can cause dust and debris to accumulate on the commutator, hindering heat dissipat...read more
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Q4. What will happen if a shunt motor is directly connected to the supply line?
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The shunt motor will run at dangerously high speeds and may get damaged.
• The motor will run at its no-load speed, which is much higher than its rated speed.

• This can lead to overheating and mechanical stress on the motor components.

• The motor may get damaged or fail prematurely if directly connected to the supply line.
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Q1. Question related to motor, generator Alternator and transformer
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Q1. Thermodynamics related questions Types of engine,boilers type and rac
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Q2. Types of engine with thier origin country
Ans. 
Various types of engines and their origin countries
• Internal Combustion Engine - Germany

• Steam Engine - United Kingdom

• Jet Engine - United States

• Electric Engine - Various countries

• Rocket Engine - Various countries
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Q1. Cricket knowledge?
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Q2. Current affairs
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Q1. My trade related
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Q2. What is Ohm's law?
Ans. 
Ohm's law states that the current flowing through a conductor is directly proportional to the voltage applied across it, and inversely proportional to the resistance of the conductor.
• Ohm's law is represented by the formula V = I * R, where V is voltage, I is current, and R is resistance.

• It helps in calculating the current flowing through a circuit when the voltage and resistance are known.

• It can also be used to determi...read more
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Diploma last semester assignment

Q1. Thermal power plant is boiler maintenance and boul mill explain
Ans. 
Boiler maintenance and bowl mill are crucial for the efficient functioning of a thermal power plant.
• Boiler maintenance involves regular cleaning, inspection, and repair of the boiler to ensure its safe and efficient operation.

• Bowl mill is a type of grinding mill used in power plants to grind coal and convert it into a powder form that can be burned more efficiently.

• Regular maintenance of bowl mills is necessary to ensu...read more
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Q1. Why are you choose electrical maintenance and Automation
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