Centrodorstroy Interview Questions and Answers

Q1. What is the hydraulic gradient line?
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Q2. What are the methods for managing floods?
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Q3. What is prestress concrete?
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Q4. What is Flood Wall?
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Q1. What is Total Float (TF) and Free Float(FF)?
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Q2. What is your understanding of Earned Value Analysis (EVA)?
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Q3. What are the key aspects to consider in delay analysis?
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Q4. How would you rate your proficiency in P6/MSP on a scale of 1 to 10?
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Q5. What are the different types of contracts?
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Q1. What is the selection process
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Q2. Why are late selected process in company
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Basic topics like India before covid and after covid, Global warming, Educational System in india

Q1. What is transformer?
Ans. 
A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Consists of two coils of wire, known as primary and secondary coils

• Primary coil receives electrical energy and induces a magnetic field

• Magnetic field then induces a voltage in the secondary coil

• Used to step up or step down voltage levels in electrical systems
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Q2. What are the types of Rectifiers?
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Types of rectifiers include half-wave, full-wave, and bridge rectifiers.
• Half-wave rectifier only allows one half of the AC input waveform to pass through

• Full-wave rectifier allows both halves of the AC input waveform to pass through

• Bridge rectifier uses four diodes to rectify the AC input waveform

• Examples include diode rectifiers and semiconductor rectifiers
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Q3. Difference between Synchronous and induction motor
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Synchronous motors have constant speed and require external excitation, while induction motors have variable speed and are self-starting.
• Synchronous motors have a constant speed determined by the frequency of the power supply.

• Induction motors have variable speed depending on the load.

• Synchronous motors require external excitation to generate a magnetic field, while induction motors are self-starting.

• Synchronous motors ...read more
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Q4. What is Ohms law?
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 of the conductor.
• Ohm's law is represented by the formula: V = I * R, where V is voltage, I is current, and R is resistance.

• It helps in calculating the relationship between voltage, current, and resistance in an electrical circuit.

• For example, if a circuit has a vo...read more
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Q1. Will you ready to go to abroad after 5 years?
Ans. 
Yes, I am open to the possibility of going abroad after 5 years for career advancement and new experiences.
• I am open to exploring international opportunities for career growth.

• I believe working abroad can provide valuable experiences and broaden my perspective.

• I am willing to adapt to new cultures and environments for professional development.
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Q2. Why you have not choose higher education
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I chose to start working in the electrical field to gain practical experience and skills rather than pursuing higher education.
• Prefer hands-on learning over theoretical education

• Opportunity to gain real-world experience in the field

• Financial constraints prevented pursuing higher education

• Passionate about electrical work and wanted to start career sooner
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Q3. Family details and Occupation
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Q1. How is your previous role relevant to this?
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Q2. Why switching to a different vertical?
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Q3. What is LOD 300/400?
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Q4. Dimensions of BIM?
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Q5. What are Worksets, View Range, View template in Revit?
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Q6. Have you worked on central file? What is the CDE in your previous organisation?
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Q7. What are layouts in AutoCAD?
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Q8. Layers, block attributes in Revit?
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Q9. Experience in family creation in Revit?
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Q10. Detail out your process of generating RFIs to the client.
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Was easy and able to complete within time

Q1. Selection of material
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Q2. Selection of hydraulic
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Q1. When will you join
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Q2. Why you left from the company
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Q1. Reverse the string
Ans. 
Reverse a given string
• Use a loop to iterate through the characters of the string

• Append each character to a new string in reverse order

• Return the reversed string
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Q2. Merge sort on infinite linklist
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Merge sort cannot be directly applied to an infinite linked list due to its divide and conquer nature.
• Merge sort requires dividing the list into smaller sublists, which is not possible with an infinite linked list.

• One approach is to break the infinite linked list into finite chunks, sort each chunk using merge sort, and then merge the sorted chunks.

• Another approach is to use a different sorting algorithm that can handl...read more
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Q3. Operating systems
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Q4. System designing
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Q5. Object oriented programming
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Q1. Which pipes are using for compressor line
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Q2. How you ensure and check the execution part in MEP
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