Bharat Petroleum Graduate Apprenticeship Trainee Interview Questions and Answers

Technical round -1, aptitude round-1, hr round -1

Maths, communication english

Q1. About your all-round personality room
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Q1. They asked me about my previous job, sone general practices that we follow in the site execution, safety majors and some basic civil site related questions.
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Q2. Whatwouldyoudo toensurethe safety at site execution
Ans. 
To ensure safety at site execution, I would implement strict safety protocols, conduct regular safety inspections, provide proper training to workers, and enforce safety regulations.
• Implement strict safety protocols and guidelines

• Conduct regular safety inspections to identify potential hazards

• Provide proper training to workers on safety procedures and equipment usage

• Enforce safety regulations and hold individuals accou
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Q1. What is current transformer.
Ans. 
A current transformer is a device used to measure or monitor electric current in high voltage systems.
• It is a type of instrument transformer that steps down high current to a lower value suitable for measurement.

• It consists of a primary winding and a secondary winding, with the primary winding connected in series with the current to be measured.

• The secondary winding is connected to a measuring or monitoring device.

• The ...read more
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Q2. What is power system.
Ans. 
Power system is a network of electrical components used to generate, transmit, and distribute electricity.
• Power system includes power generation plants, transmission lines, substations, and distribution networks.

• It is responsible for delivering electricity from power plants to homes, businesses, and industries.

• Power system engineers design, operate, and maintain the system to ensure reliable and efficient electricity s...read more
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Q3. Combination of power generation , transmission and distribution we will call power systems.
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Q4. What is earthing ,why it is ?
Ans. 
Earthing is the process of connecting electrical equipment to the earth to prevent electric shock and damage to the equipment.
• Earthing provides a path for the fault current to flow to the ground instead of passing through the human body.

• It helps in stabilizing the voltage and reducing the risk of electrical fires.

• Earthing is essential for electrical safety and is required by electrical codes and regulations.

• Examples of...read more
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Q5. Earthing means we are providing a low resistance path to the body of m/c whenever surge arrestors/strikes are came then that current will pass through earth wire. We will do parallel earthing two provide l...read more
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Q6. Self introduction, again asked regarding education background.
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Q1. Motor speed relationship between pole and frequency formula
Ans. 
The motor speed is directly proportional to the number of poles and the frequency of the power supply.
• Motor speed is determined by the number of poles and the frequency of the power supply.

• The formula to calculate the motor speed is: Speed = (120 * Frequency) / Number of Poles.

• Higher frequency or more poles result in higher motor speed.

• Lower frequency or fewer poles result in lower motor speed.
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Q1. What is principle of generator
Ans. 
The principle of a generator is based on electromagnetic induction, where a changing magnetic field induces an electric current in a conductor.
• Generators convert mechanical energy into electrical energy

• They work on the principle of electromagnetic induction

• A rotating coil within a magnetic field generates an electric current

• The direction of the current is determined by Fleming's right-hand rule
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Q2. What is current transformer
Ans. 
A current transformer is a type of instrument transformer that is used to step down high currents to a lower, more manageable level for measurement or protection purposes.
• Current transformers are typically used in conjunction with ammeters, wattmeters, and protective relays.

• They have a primary winding that is connected in series with the circuit carrying the current to be measured, and a secondary winding that is conne...read more
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Q3. What is the principle of motor
Ans. 
The principle of motor refers to the basic concept of how motors work to convert electrical energy into mechanical energy.
• Motors operate based on the principle of electromagnetic induction

• Electric current flowing through a wire creates a magnetic field

• This magnetic field interacts with other magnetic fields to produce motion

• Motors can be DC motors, AC motors, or stepper motors
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Q4. What is relationship between speed and frequency in motor
Ans. 
Speed and frequency in a motor are directly proportional to each other.
• Speed of a motor is directly proportional to the frequency of the power supply.

• Increasing the frequency of the power supply will increase the speed of the motor.

• Conversely, decreasing the frequency will decrease the speed of the motor.

• This relationship is important in controlling the speed of motors in various applications.
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Q5. Do you have any previous experience??
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Q6. What are the favorite subjects in your electrical engineering
Ans. 
My favorite subjects in electrical engineering are power systems, control systems, and electronics.
• Power systems: I enjoy studying the generation, transmission, and distribution of electrical power.

• Control systems: I find the design and analysis of control systems fascinating.

• Electronics: I am interested in learning about electronic circuits and devices.
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Q7. Why do you want to join??
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Q8. Types of cables and explain
Ans. 
Types of cables include coaxial, twisted pair, fiber optic, and HDMI cables.
• Coaxial cable: used for cable television and internet connections

• Twisted pair cable: commonly used for Ethernet networks

• Fiber optic cable: transmits data using light pulses

• HDMI cable: used to connect audio and video devices
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Q1. Basic on your Engineering Background
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Q2. Area of Interest and Basic Engineering knowledge and On Your academic Projects
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Q1. 1. Tell me about yourself 2. Why are you applying for Job as it is only 1 year apprenticeship ? 3. What did you do after graduation ? 4. Questions related to Final Year Project and your hobbies
Ans. Give Honest answers to above questions. If are having gap after graduation then tell the honest reason about that. Answer for joining job must be positive regarding Job like to gain experience of working in PSU. Apprenticeship also helps in Shortlisting during HPCL Permanent Job recruitment(5% Marks for Shortlisting of Apprenticeship and 1 Year age relaxation)
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Q1. Questions as Given above
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Q1. 1. Tell me about your self. 2. Why you wanted to do the Apprenticeship? 3. What you wanted to become? 4. Your Hobbies
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Q1. Not much of questions it was just medical Checkup
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