Jindal Steel and Power Junior Operations Engineer Interview Questions and Answers

Q1. Draw Shear force and bending moment diagram of a fixed beam.
Ans. 
Shear force and bending moment diagrams show internal forces and moments in a fixed beam.
• Shear force diagram shows the variation of shear force along the length of the beam.

• Bending moment diagram shows the variation of bending moment along the length of the beam.

• At supports of a fixed beam, shear force is maximum and bending moment is zero.

• At midspan of a fixed beam, bending moment is maximum and shear force is zero.
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Q2. What is the position of reinforcement of a cantilever beam.
Ans. 
Reinforcement of a cantilever beam is positioned at the bottom to resist tension forces.
• Reinforcement is placed at the bottom of the cantilever beam to resist tension forces.

• The reinforcement helps in preventing the beam from bending or breaking under load.

• Examples of reinforcement materials include steel bars or mesh.

• Proper positioning and sizing of reinforcement is crucial for the structural integrity of the beam.
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Q3. In railway crossing, which type of sleeper is used.
Ans. 
Concrete sleepers are used in railway crossings.
• Concrete sleepers are preferred over wooden sleepers in railway crossings due to their durability and strength.

• Concrete sleepers help in maintaining the stability and alignment of the tracks at railway crossings.

• Examples of concrete sleepers used in railway crossings include monoblock sleepers and twin block sleepers.
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Q1. What makes you a suitable candidate for this position?
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Q1. What are contour and control points?
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Q1. How to check the motor
Ans. 
To check the motor, you can perform various tests and inspections to ensure it is functioning properly.
• Check for any physical damage or wear on the motor casing

• Inspect the wiring connections for any loose or damaged wires

• Measure the voltage and current going into the motor to ensure it is within the specified range

• Test the motor's insulation resistance to check for any faults

• Run the motor under load to see if it operat
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Q2. How to do power analysis
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Power analysis involves measuring and analyzing the electrical power consumption of a system or device.
• Identify the components of the system or device that consume power.

• Measure the current and voltage across these components using appropriate instruments.

• Calculate the power consumption using the formula P = VI, where P is power, V is voltage, and I is current.

• Analyze the power consumption data to identify any ineffici...read more
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Q3. What is tranfamer
Ans. 
A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Transformers are used to increase or decrease voltage levels in electrical circuits.

• They consist of two coils of wire, known as the primary and secondary coils.

• Examples of transformers include power transformers used in electrical substations and voltage transformers in electronic devices.
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Q1. What is the difference between MCB and overload realy?
Ans. 
MCB and overload relay are both electrical protection devices, but they serve different purposes.
• MCB stands for Miniature Circuit Breaker and is used to protect electrical circuits from overcurrents and short circuits.

• Overload relay is used to protect motors and other electrical equipment from excessive current that can cause overheating and damage.

• MCB operates based on the principle of thermal and magnetic tripping, w...read more
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Q2. Working of soft starter?
Ans. 
A soft starter is a device used to gradually start and stop the motor by controlling the voltage applied to it.
• Soft starters are used to reduce the starting current and torque of an electric motor.

• They provide a smooth and controlled acceleration and deceleration of the motor.

• Soft starters can be used in various applications such as pumps, fans, and conveyor belts.

• They typically consist of power electronics, control ci...read more
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Q3. Working of drive?
Ans. 
A drive is a device that reads and writes data to storage media, allowing users to access and store information.
• Drives can be internal or external, such as hard disk drives (HDDs) or solid-state drives (SSDs).

• They use various technologies like magnetic or flash memory to store data.

• Drives are connected to a computer or device through interfaces like SATA, USB, or PCIe.

• They have controllers that manage data transfer and...read more
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Q4. Why we use star delta starter?
Ans. 
Star delta starters are used to reduce the starting current of induction motors.
• Star delta starters are used in applications where the starting current needs to be limited.

• They are commonly used in industries where large motors are employed.

• By starting the motor in star configuration, the current is reduced to one-third of the delta configuration.

• This helps in preventing excessive voltage drop and reduces stress on the...read more
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Q5. What is the protection of transformer?
Ans. 
The protection of a transformer involves various measures to ensure its safe and reliable operation.
• Overcurrent protection: Protects against excessive current flow.

• Overvoltage protection: Guards against high voltage surges.

• Under/over frequency protection: Monitors and controls the frequency of the input power.

• Temperature protection: Prevents overheating by monitoring the transformer's temperature.

• Buchholz relay protect...read more
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Q1. Why do you change yout job??
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Q1. What was the OD of 15NB, 20NB
Ans. 
OD of 15NB and 20NB is not clear without context.
• OD stands for outer diameter.

• NB stands for nominal bore.

• The OD of a pipe depends on its material, thickness, and application.

• Without context, it is impossible to determine the OD of 15NB and 20NB pipes.
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Q1. Civil diploma engineering
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Q2. Civil junior engineer technical questions
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Q3. Contraction question
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Q4. Civil junior engineer contraction questions
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Q1. Ask me about types of bearings? They also like do you have any idea about sap?
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Q2. Ask me about types of bearing? What is the types of welding? About sap?
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Be confident in your answer and no more confusing. Think twice, answer Little bit similar but u have to choose one it has a more accurate. Time management is main. What time you did taken to answer for each question.

Talk short with important matter. Your voice should to audible for all.

Q1. This is related to your study. Befor going to interview first you should know the which type of company that is and what they produce. Go to the deep through it on this basis you have to prepare.
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Q2. Sketch the Lathe diagram Stress strain diagram About Boiler About hydraulic system About pneumatic system About engines About machanical properties Project principles About manpower handling
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