CtrlS Interview Questions, Process, and Tips

Q1. There were queries of sql and dbms asked me about php related to the project
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Q2. I gave answer on those questions overall easy compared to previous
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Q1. Tell me about yourself your family etc
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Q2. Related to you and your family wanted to know work culture fitting
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Q1. Experience in DataCentre Project
Ans. 
I have experience working on DataCentre projects, including cost estimation, budget management, and subcontractor coordination.
• Managed cost estimation for DataCentre construction

• Handled budget management for DataCentre projects

• Coordinated with subcontractors on DataCentre builds
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Q2. Cable calculation
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Exam consists of 4 levels
1-Aptitude
2-Reasoning
3-Technical questions
4- General English

GD was so special for me because it was my first GD participation I have never done it before. And I was the first person who starts the speaking in the group

Q1. Technical interview
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Q2. Questions from domain
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The basic apptitude questions

Basic daa based questions

Q1. Resume explanation and some technical questions
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Q2. Introduction yourself
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Q3. Your minor projects that you had done
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Q4. About the course and the skills you know
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Q5. Difference between the smart work and hard work, which is better
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Q1. What is a database?
Ans. 
A database is a structured collection of data that is organized in a way that allows for easy access, management, and retrieval.
• A database typically consists of tables, which store data in rows and columns.

• It uses a query language, such as SQL, to retrieve and manipulate data.

• Examples of databases include MySQL, Oracle, and MongoDB.
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Q2. What is the extension of sql file?
Ans. 
The extension of SQL file is .sql
• The extension of SQL file is typically .sql

• SQL files contain SQL code used to query and manipulate databases

• Examples of SQL file extensions: script.sql, data.sql
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Q3. What is the difference between database and datawarehouse?
Ans. 
A database is used for storing, managing, and retrieving structured data, while a data warehouse is used for analyzing and reporting on large volumes of data.
• Database is used for transactional processing, while data warehouse is used for analytical processing.

• Databases are typically normalized, while data warehouses are denormalized for faster query performance.

• Data warehouses often contain historical data for trend an...read more
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Logical questions and general mathematical problems were asked

Q1. Question related to fluid flow and thermodynamics were asked. Read definitions and formulae
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Q2. What is Bernoulli equation? What is heat rate and its equations? What is steady flow, laminar flow and streamline flow? What is viscosity and its types What is Reynold equation? What is boundary layer?...read more
Ans. 
The Bernoulli equation relates the pressure, velocity, and elevation of a fluid in a steady flow.
• Bernoulli equation relates pressure, velocity, and elevation in fluid flow

• Heat rate is the amount of heat transferred per unit time

• Steady flow is when the fluid properties at a point do not change with time

• Laminar flow is smooth and orderly, while turbulent flow is chaotic

• Viscosity is a measure of a fluid's resistance to fl...read more
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Q1. Question related to your family and projects you did in the college
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Q2. Are you ready to shift PAN India
Ans. 
Yes, I am ready to shift PAN India.
• I am open to relocating to any part of India for the job.

• I understand that the company may require me to work in different locations.

• I am flexible and adaptable to new environments and cultures.

• I am excited about the opportunity to explore different cities and regions in India.

• I am willing to make the necessary arrangements and adjustments to relocate.
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Q1. What is the Steel weight?? How will reconciliation of raw material?? How much will you taken Steel and cement wastage??
Ans. 
The steel weight refers to the weight of steel used in a construction project.
• Steel weight is calculated based on the design and specifications of the project.

• It is important to accurately estimate the steel weight to ensure structural integrity.

• Reconciliation of raw material involves comparing the actual usage of steel with the planned usage.

• This helps identify any discrepancies or wastage in the steel consumption.

• Ste...read more
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Q1. Nothing More but some questions about what are doing in your current organisation.
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Q1. Simple self intro and few questions about previous experience
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Q1. 1. Self intro 2. Previous experience related questions 3. How fit am I for this job?
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Q2. 4. Salary expectation
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Q1. 1. Self intro and previous experience related questions
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Q2. 1. Overall about HVAC systems 2. Overall about FPS system
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Q3. 1. Testing procedures for piping and duct
Ans. 
Testing procedures for piping and duct involve pressure testing, leak testing, and visual inspection.
• Pressure testing involves pressurizing the system with air or water to check for leaks.

• Leak testing can be done using soap solution or electronic leak detectors.

• Visual inspection includes checking for proper installation, support, and connections.

• Testing procedures should follow industry standards and regulations.

• Docume...read more
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Q4. 1. Fire pump room working principle
Ans. 
Fire pump room is designed to provide water supply at high pressure to the sprinkler system in case of fire emergency.
• Fire pump room houses pumps that are capable of delivering water at high pressure to the sprinkler system

• The pumps are usually powered by electricity or diesel engines

• The room is equipped with controllers and alarms to monitor and control the water flow

• Regular maintenance and testing of the pumps are es...read more
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Q5. 1. Insulation material specification
Ans. 
Insulation material specification includes type, thickness, density, and thermal conductivity.
• Specify the type of insulation material (e.g. fiberglass, foam, mineral wool)

• Provide the thickness of the insulation material in inches or millimeters

• Include the density of the insulation material in pounds per cubic foot or kilograms per cubic meter

• State the thermal conductivity of the insulation material in BTU/(hr*ft*F) or
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Q1. Cultural fit assessment conducted and conducted one to one interview
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Q1. This round was postponed continuously 40 days.
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