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Cubex Tubings Interview Questions and Answers

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Substation feeder work and electrical maintenance Interview Questions & Answers

Coal India user image Anonymous

posted on 27 Dec 2024

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(5 Questions)

  • Q1. What is substation use equipment
  • Ans. 

    Substation use equipment refers to the various devices and tools used in a substation for power distribution and maintenance.

    • Substation transformers

    • Circuit breakers

    • Disconnect switches

    • Voltage regulators

    • Capacitor banks

    • Protective relays

  • Answered by AI
  • Q2. What is electricity
  • Ans. 

    Electricity is the flow of electric charge through a conductor.

    • Electricity is the flow of electrons through a conductor

    • It is a form of energy that powers electrical devices

    • Electricity can be generated from various sources such as coal, wind, solar, and hydro

    • It is measured in units of volts, amps, and watts

  • Answered by AI
  • Q3. What is induction motor and functions
  • Ans. 

    An induction motor is a type of AC motor that works on the principle of electromagnetic induction to convert electrical energy into mechanical energy.

    • Induction motors are commonly used in various industrial applications due to their simplicity, reliability, and low cost.

    • They consist of a stator (stationary part) and a rotor (rotating part) where the rotor is not connected to an external power source.

    • When an alternating...

  • Answered by AI
  • Q4. What is generator and functions
  • Ans. 

    A generator is a device that converts mechanical energy into electrical energy. It functions by rotating a coil of wire within a magnetic field to produce electricity.

    • Generates electricity by converting mechanical energy into electrical energy

    • Consists of a coil of wire rotating within a magnetic field

    • Used in power plants, backup generators, and portable generators

  • Answered by AI
  • Q5. What is Transformers this function
  • Ans. 

    Transformers function to change voltage levels in electrical systems.

    • Transformers increase or decrease voltage levels in electrical systems

    • Step-up transformers increase voltage for long-distance transmission

    • Step-down transformers decrease voltage for distribution to homes and businesses

    • Transformers help maintain power quality and efficiency in electrical grids

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Oct 2024. There were 3 interview rounds.

Round 1 - Group Discussion 

Here are some common details that are usually discussed during a Group Discussion (GD):

1. *Topic*: A specific topic or theme is given to the group, which can range from current events, social issues, business-related topics, or abstract concepts.

2. *Time Limit*: The discussion is usually timed, lasting anywhere from 15 to 30 minutes.

3. *Group Size*: The group typically consists of 8-12 participants.

4. *Roles and Responsibilities*: Each participant is expected to contribute to the discussion, sharing their thoughts, opinions, and ideas on the given topic.

5. *Assessment Criteria*: The evaluators assess the participants based on various criteria, such as:
- Communication skills
- Leadership skills
- Teamwork and collaboration
- Problem-solving and analytical skills
- Knowledge and understanding of the topic

6. *GD Tips and Strategies*: Some common tips and strategies for acing a GD include:
- Being well-prepared and knowledgeable about the topic
- Actively listening to others and responding thoughtfully
- Maintaining a respectful and professional tone
- Encouraging others to participate and share their ideas
- Avoiding confrontations and staying focused on the topic

Some common GD topics include:

- Current events and news
- Social issues and concerns
- Business and management-related topics
- Abstract concepts and thought-provoking ideas

Feel free to ask if you have any specific questions or need further clarification!

Round 2 - Case Study 

BSC,computer knowledge

Round 3 - HR 

(2 Questions)

  • Q1. What is ur experience?
  • Ans. 

    I have 5 years of experience working in retail, including 2 years as an assistant store manager.

    • 5 years of retail experience

    • 2 years as assistant store manager

    • Strong customer service skills

    • Inventory management experience

    • Visual merchandising knowledge

  • Answered by AI
  • Q2. What about you SAP Knowledge?
  • Ans. 

    I have intermediate level SAP knowledge with experience in using modules such as MM, SD, and FI.

    • Intermediate level SAP knowledge

    • Experience in modules such as MM, SD, and FI

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Pass
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Dec 2024. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Can you describe your work experience?
  • Q2. What is your area of expertise?
Round 2 - HR 

(1 Question)

  • Q1. Can you provide details about your past employment experiences?

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident and direct in your responses.
Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed in Nov 2024. There were 4 interview rounds.

Round 1 - Case Study 

Theft case investigation

Round 2 - Technical 

(2 Questions)

  • Q1. How to control theft stolen cases
  • Ans. 

    Implementing security measures, conducting regular audits, training staff, utilizing technology

    • Implementing security measures such as installing surveillance cameras, alarms, and access control systems

    • Conducting regular audits to identify any vulnerabilities or gaps in security

    • Training staff on theft prevention techniques and the importance of reporting suspicious behavior

    • Utilizing technology such as RFID tags or GPS t...

  • Answered by AI
  • Q2. How to implement security policy, procedure n protocol.
  • Ans. 

    Implementing security policy, procedures, and protocols involves creating guidelines, rules, and processes to protect assets and mitigate risks.

    • Develop a comprehensive security policy that outlines the organization's security goals, objectives, and responsibilities.

    • Establish procedures for implementing the security policy, including access control, incident response, and security awareness training.

    • Define protocols for...

  • Answered by AI
Round 3 - HR 

(2 Questions)

  • Q1. How is your drafting and communication skill
  • Ans. 

    My drafting and communication skills are strong, with experience in writing detailed security reports and effectively communicating with team members.

    • Proficient in drafting detailed security reports

    • Skilled in effectively communicating with team members

    • Experience in creating clear and concise security policies and procedures

    • Ability to convey complex security information in a clear and understandable manner

  • Answered by AI
  • Q2. Are you able make one theft investigation report
  • Ans. 

    Yes, I am able to make theft investigation reports.

    • Gather all relevant information and evidence related to the theft

    • Interview witnesses and suspects to gather additional information

    • Analyze the collected data to identify patterns and potential suspects

    • Document findings, conclusions, and recommendations in a detailed report

  • Answered by AI
Round 4 - Group Discussion 

Discussed how to work n CTC expectation

Interview Preparation Tips

Interview preparation tips for other job seekers - Very professional CSO from Defence background.Awesome.
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(9 Questions)

  • Q1. What is the unit of resistance?
  • Ans. 

    The unit of resistance is ohm (Ω).

    • The unit of resistance is measured in ohms (Ω).

    • Resistance is denoted by the symbol 'R' in equations.

    • One ohm is equal to one volt per ampere (1 Ω = 1 V/A).

  • Answered by AI
  • Q2. What is the meaning of current?
  • Ans. 

    Current is the flow of electric charge in a circuit.

    • Current is the rate of flow of electric charge in a circuit.

    • It is measured in Amperes (A).

    • Current flows from positive to negative terminal in a circuit.

    • There are two types of current - AC (Alternating Current) and DC (Direct Current).

  • Answered by AI
  • Q3. What is magnet?
  • Ans. 

    A magnet is an object that produces a magnetic field and attracts certain materials like iron.

    • A magnet has two poles - north and south.

    • Opposite poles attract each other while like poles repel.

    • Magnets can be natural (lodestone) or man-made (permanent magnets).

  • Answered by AI
  • Q4. What is the working principle of transformer?
  • Ans. 

    Transformer works on the principle of electromagnetic induction to transfer electrical energy between two or more circuits.

    • Transformers have two coils of wire, known as primary and secondary coils.

    • When an alternating current flows through the primary coil, it creates a changing magnetic field.

    • This changing magnetic field induces a voltage in the secondary coil, transferring electrical energy.

    • The ratio of the number of ...

  • Answered by AI
  • Q5. Value of Indian frequency?
  • Ans. 

    The value of Indian frequency is 50 Hz.

    • The standard frequency used in India for electrical power distribution is 50 Hz.

    • This frequency is used for both residential and industrial purposes.

    • It is important for ensuring compatibility of electrical equipment and appliances.

    • In contrast, countries like the United States use a frequency of 60 Hz.

  • Answered by AI
  • Q6. What is the unit of current?
  • Ans. 

    The unit of current is Ampere (A).

    • The unit of current is Ampere (A)

    • It is named after the French physicist Andre-Marie Ampere

    • Current is the flow of electric charge in a circuit

  • Answered by AI
  • Q7. What is the meaning magnetic field?
  • Ans. 

    A magnetic field is a region around a magnetic material or a moving electric charge within which the force of magnetism acts.

    • A magnetic field is produced by moving electric charges or magnetic materials.

    • It exerts a force on other moving charges and magnetic materials within its vicinity.

    • The strength and direction of a magnetic field can be represented by magnetic field lines.

    • Examples include the Earth's magnetic field

  • Answered by AI
  • Q8. Law's of resistance?
  • Ans. 

    The laws of resistance describe how the resistance of a material is affected by factors such as length, cross-sectional area, and temperature.

    • Resistance is directly proportional to the length of the material - longer materials have higher resistance.

    • Resistance is inversely proportional to the cross-sectional area of the material - larger cross-sectional areas have lower resistance.

    • Resistance increases with temperature ...

  • Answered by AI
  • Q9. Relationship between current, voltage and resistance?
  • Ans. 

    The relationship between current, voltage, and resistance is described by Ohm's Law.

    • 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.

    • Mathematically, Ohm's Law is expressed as I = V/R, where I is the current in Amperes, V is the voltage in Volts, and R is the resistance in Ohms.

    • This relati...

  • Answered by AI
Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
-

I applied via Approached by Company and was interviewed in Oct 2024. There were 2 interview rounds.

Round 1 - Technical 

(4 Questions)

  • Q1. Newton law of motion
  • Ans. 

    Newton's laws of motion describe the relationship between an object and the forces acting on it.

    • First law: An object at rest stays at rest, and an object in motion stays in motion unless acted upon by an external force.

    • Second law: The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass.

    • Third law: For every action, there is an equal and opposite reactio...

  • Answered by AI
  • Q2. What is omhs law and formula
  • Ans. 

    Ohm's Law states that the current flowing through a conductor is directly proportional to the voltage across it and inversely proportional to the resistance.

    • Ohm's Law formula: V = I * R (Voltage = Current * Resistance)

    • Current (I) is measured in Amperes (A)

    • Voltage (V) is measured in Volts (V)

    • Resistance (R) is measured in Ohms (Ω)

    • Example: If a circuit has a voltage of 12V and a resistance of 4Ω, the current flowing throu

  • Answered by AI
  • Q3. Reading the English book and writing in this page
  • Q4. Flaming ke baye hath ka niyam
Round 2 - Technical 

(2 Questions)

  • Q1. Resistance working
  • Q2. Name of transformer in hindi language
  • Ans. 

    The name of transformer in Hindi language is 'ट्रांसफार्मर'.

    • The word 'transformer' is translated to 'ट्रांसफार्मर' in Hindi.

    • It is pronounced as 'traans-faar-mer' in Hindi.

    • In written form, it is represented as 'ट्रांसफार्मर'.

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Hindalco Industries Apprentice Trainee interview:
  • Instruments
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via LinkedIn and was interviewed in Nov 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

Series sq, train relative speed stuff like that general aptitude question

Round 2 - Technical 

(2 Questions)

  • Q1. Pump , compressor
  • Q2. What is reciprcating pump
Interview experience
4
Good
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed in Oct 2024.

Round 1 - One-on-one 

(2 Questions)

  • Q1. How many axes cnc machine?
  • Ans. 

    CNC machines can have 2, 3, 4, or 5 axes depending on the complexity of the machine.

    • CNC machines can have 2 axes for simple operations like drilling and cutting along two axes.

    • 3-axis CNC machines can move along three axes (X, Y, Z) allowing for more complex operations like milling.

    • 4-axis CNC machines have an additional rotary axis, enabling the cutting tool to rotate and move along four axes.

    • 5-axis CNC machines have tw...

  • Answered by AI
  • Q2. Which angle projection works in India?
  • Ans. 

    Third angle projection is commonly used in India for engineering drawings.

    • Third angle projection is the standard method used in India for representing 3D objects on 2D surfaces.

    • In third angle projection, the object is imagined to be in the third quadrant (behind the viewing planes).

    • This method is widely taught in engineering colleges and used in industries across India.

    • It is important for machine maintenance engineers ...

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Walk-in and was interviewed in Sep 2024. There were 2 interview rounds.

Round 1 - Group Discussion 

Very nicely & strictly selected

Round 2 - One-on-one 

(2 Questions)

  • Q1. About my job professiinal
  • Q2. Details about work profile
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
-

I applied via Referral and was interviewed in Jun 2024. There was 1 interview round.

Round 1 - Technical 

(4 Questions)

  • Q1. Tell me about yourself ?
  • Ans. 

    Experienced marketing professional with a proven track record of driving successful campaigns and increasing brand awareness.

    • Over 10 years of experience in marketing roles

    • Led successful campaigns for major brands such as Nike and Coca-Cola

    • Skilled in digital marketing strategies and social media management

    • Strong analytical skills and ability to interpret market trends

    • Excellent communication and leadership abilities

  • Answered by AI
  • Q2. Describe some of your achievements ?
  • Ans. 

    I have successfully launched multiple marketing campaigns resulting in a significant increase in brand awareness and sales.

    • Developed and executed targeted marketing strategies to reach specific demographics

    • Utilized social media platforms to engage with customers and drive traffic to the company website

    • Collaborated with cross-functional teams to ensure cohesive messaging and branding

    • Implemented data-driven analytics to ...

  • Answered by AI
  • Q3. What do you know about the products ? and how will you go about selling the same ?
  • Ans. 

    I have a thorough understanding of the products and will utilize market research, targeted advertising, and strategic partnerships to sell them effectively.

    • I have studied the features, benefits, and target market of the products extensively.

    • I will conduct market research to understand consumer needs and preferences.

    • I will create targeted advertising campaigns to reach the right audience.

    • I will establish strategic partn...

  • Answered by AI
  • Q4. What are the different sales channels and your experience of the same ?
  • Ans. 

    Sales channels refer to the different avenues through which a company sells its products or services.

    • Retail stores - physical locations where products are sold directly to customers

    • E-commerce websites - online platforms where customers can purchase products

    • Wholesale distributors - intermediaries who sell products in bulk to retailers

    • Direct sales - sales made by a company's own sales team directly to customers

    • Telemarket...

  • Answered by AI

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