Young Engg. & Calibration Services Interview Questions and Answers

Q1. What is your favourite subject in your department?
Ans. 
My favorite subject in my department is Control Systems.
• I enjoy learning about feedback control systems and how they are used to regulate processes.

• I find studying system dynamics and stability analysis fascinating.

• I am interested in tuning controllers and optimizing system performance.

• I appreciate the practical applications of control systems in various industries.

• I have worked on projects involving PID controllers an...read more
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Q2. Tell me about your experience as Vocational Trainee at Indian Railways.
Ans. 
Worked as Vocational Trainee at Indian Railways, gaining hands-on experience in maintenance and repair of locomotives.
• Assisted senior engineers in troubleshooting and repairing locomotive engines

• Learned about the various components of locomotives and their functions

• Participated in routine maintenance tasks such as oil changes and filter replacements

• Observed safety protocols and procedures while working in the railway y...read more
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Q3. What is supply voltage of our houses?
Ans. 
The supply voltage of houses typically ranges from 110 to 240 volts depending on the country and region.
• Supply voltage can vary based on the country's electrical standards.

• In the United States, the standard supply voltage is 120 volts.

• In Europe, the standard supply voltage is 230 volts.

• Some countries may have supply voltages as high as 240 volts.

• Supply voltage is important for determining the compatibility of electrica...read more
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Q4. What is Calibration and How many types of calibration can the organisation done so far?
Ans. 
Calibration is the process of comparing measurements of an instrument or device to a known standard to ensure accuracy.
• Calibration is essential to maintain the accuracy and reliability of instruments and devices.

• There are different types of calibration such as electrical, mechanical, temperature, pressure, and flow calibration.

• Examples include calibrating a thermometer to ensure accurate temperature readings or calibra...read more
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Questions were from 10th standard maths, reasoning and little bit from core domain.

Q1. What will happen if we connect 3 phase motor to 1 phase? Explain lenzs law. Some very basic questions like that.
Ans. 
Connecting a 3 phase motor to 1 phase can cause motor damage and inefficient operation.
• Connecting a 3 phase motor to 1 phase can lead to overheating and reduced torque.

• The motor may not start or run at a slower speed than intended.

• The motor windings may get damaged due to unbalanced currents.

• Using a phase converter or rewiring the motor can be potential solutions.
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Mth,reasoning and core basics

Q1. How DC motor prodeuces back emf? How ammeter work? Range extention method.
Ans. 
DC motors produce back EMF through the interaction of the magnetic field and the rotating armature.
• Back EMF is generated when the armature of a DC motor rotates within a magnetic field.

• The back EMF opposes the applied voltage and is proportional to the speed of the motor.

• Back EMF is important for motor control and can be used to estimate motor speed.

• Ammeters measure the current flowing through a circuit.

• They are connec...read more
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