Oil And Natural Gas Corporation Apprentice Interview Questions and Answers

Tell me about yourself and various question screening question why you want to join our company

Q1. Tell me about yourself, resume, projects
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My aptitude test was to good and I cleared it in first round

Q1. What is the first law of gas laws?
Ans. 
The first law of gas laws is Boyle's Law, which states that the pressure of a gas is inversely proportional to its volume at a constant temperature.
• Boyle's Law states that P1V1 = P2V2, where P represents pressure and V represents volume.

• This law is based on the principle that as the volume of a gas decreases, the pressure increases, and vice versa.

• Boyle's Law is commonly used in scuba diving to understand how changes i...read more
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Q2. What are G-codes and M-codes in CNC machines?
Ans. 
G-codes and M-codes are programming languages used in CNC machines to control various functions and operations.
• G-codes are used to command specific movements and functions, such as cutting speed and tool positioning

• M-codes are used to activate auxiliary functions like coolant systems or tool changes

• Examples of G-codes include G00 for rapid movement and G01 for linear interpolation

• Examples of M-codes include M06 for too
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Q1. Full form of PESO
Ans. 
PESO stands for Paid, Earned, Shared, and Owned media. It is a framework used in marketing and public relations to categorize different types of media channels.
• Paid media refers to advertising that a company pays for, such as online ads or sponsored content.

• Earned media is publicity gained through word-of-mouth, social media shares, or press coverage.

• Shared media involves content that is shared by users on social media...read more
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Q1. Basics knowledge of General Awareness, Basic to moderate level Aptitude and Moderate to hard level reasoning
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Q1. Basic principles of (Civil) Engineering includes FM, AM, Surveying, Soil Mech. Railway Engg, Highway - with a duration of 90 minutes
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Q1. What is required for parallel operation of two transformer
Ans. 
Synchronization, similar voltage ratios, and proper phase sequence are required for parallel operation of two transformers.
• Synchronization of the two transformers is crucial to ensure they operate together smoothly.

• The transformers should have similar voltage ratios to prevent imbalance in the system.

• Proper phase sequence must be maintained to avoid damaging the transformers or causing power quality issues.
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Q2. Why induction motor is self starting.
Ans. 
Induction motors are self-starting due to the rotating magnetic field produced by the stator windings.
• Induction motors have a unique design where the stator windings create a rotating magnetic field.

• This rotating magnetic field induces currents in the rotor windings, causing it to rotate and start the motor.

• No external starting mechanism is required for induction motors to begin operating.

• The principle of induction all...read more
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Q1. Tell me about your self?
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Q2. What your hobbies?
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