Centena Group Interview Questions and Answers

MCQ question Electrical & Reasoning

Q1. What's is transformer & why use
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Q2. Why step up & step down voltage
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Q3. What is power factor and frequency
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Q4. What's is Earthing
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Q5. Draw Single line diagram of generation & distribution
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Q1. What is the difference between AC (Alternating Current) and DC (Direct Current) systems?
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Q2. What do you know about Switch Mode Power Supplies (SMPS)?
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Q1. What is QAP &ITP
Ans. 
QAP stands for Quality Assurance Plan and ITP stands for Inspection and Test Plan.
• QAP outlines the quality control procedures and processes to be followed during a project.

• ITP details the specific inspections and tests that will be conducted to ensure quality standards are met.

• Both documents are essential for ensuring quality and compliance in projects.
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Q2. How total station work
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Total stations are electronic/optical instruments used in surveying and construction to measure angles and distances.
• Total stations combine a theodolite for measuring angles with a distance meter to calculate distances.

• They use a laser beam to measure distances to objects.

• Total stations are commonly used in construction, civil engineering, and land surveying.

• They provide accurate measurements for mapping, setting out b...read more
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Q3. Why soil compactionis done
Ans. 
Soil compaction is done to increase soil density, improve load-bearing capacity, reduce water infiltration, and enhance root growth.
• Increase soil density to improve stability and reduce settling

• Improve load-bearing capacity for construction projects

• Reduce water infiltration to prevent erosion and improve drainage

• Enhance root growth by providing a stable environment for plants

• Common methods include using heavy machinery
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Q4. Why HDPE liner used
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HDPE liner is used for its durability, chemical resistance, and flexibility in various applications.
• HDPE liner is chosen for its high durability, able to withstand harsh environmental conditions.

• It is chemically resistant, making it ideal for use in containment systems for hazardous materials.

• HDPE liner is flexible, allowing it to conform to the shape of the surface it is being applied to.

• Common applications include la...read more
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Q5. How FDD test carried out
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FDD tests are carried out by following a structured approach to identify defects in software development.
• FDD tests involve creating test cases based on functional requirements

• Tests are executed to verify if the software functions as expected

• Defects found during testing are logged and prioritized for resolution

• Regression testing is performed to ensure that fixes do not introduce new issues
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Q1. What are the methods of Non-Destructive Testing (NDT)?
Ans. 
NDT methods include ultrasonic testing, radiographic testing, magnetic particle testing, liquid penetrant testing, and visual testing.
• Ultrasonic testing uses high-frequency sound waves to detect flaws or measure material thickness.

• Radiographic testing involves the use of X-rays or gamma rays to inspect the internal structure of a component.

• Magnetic particle testing is used to detect surface and near-surface flaws in fe...read more
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Q2. What are the procedures for soil testing?
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Soil testing procedures involve collecting samples, analyzing them for nutrients and pH levels, and interpreting the results.
• Collect soil samples from different areas of the field

• Air dry the samples before sending them to a lab for analysis

• Test for nutrients like nitrogen, phosphorus, and potassium

• Measure pH levels to determine soil acidity or alkalinity

• Interpret the results to make recommendations for fertilizers or s
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Q3. IS CODES
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Q1. Commercial knowledge
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Q2. What is your reason for seeking a change?
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Q3. What is your preferred work location?
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Q1. What is your current Cost to Company (CTC), including any variable components?
Ans. 
My current Cost to Company (CTC) is $80,000 per annum, including a 10% variable component.
• My current CTC is $80,000 per annum

• Includes a 10% variable component

• Variable component is based on performance and sales targets
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Q2. What are your expectations regarding incentives and salary?
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Q1. What is Manpower supply
Ans. 
Manpower supply refers to the provision of workers or employees to fulfill the staffing needs of a company or organization.
• Manpower supply involves recruiting, hiring, and deploying workers to meet the labor requirements of a project or business.

• It can include temporary staffing, contract workers, or permanent employees depending on the needs of the organization.

• Manpower supply agencies or firms specialize in providing...read more
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Q2. What is Salary management
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Salary management involves the planning, organizing, and controlling of an organization's payroll and compensation system.
• Involves setting salary structures based on market research and internal equity

• Ensures timely and accurate payment of salaries to employees

• Includes managing benefits, bonuses, and incentives

• May involve budgeting for salary expenses and forecasting future salary needs
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Q1. Ac dc kya hai
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Q2. Transfar kya hai
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Q1. Even though interview is related to siem they asked questions on edr deeply when I confirmed that I have partial knowledge in edr
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Q2. Not a good experience
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Q1. About warehouse operations flow
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Q2. Explained everything thing end to end process @ procedures by telephonic.
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Q1. Handling of subordinate & CFT
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Q2. Trubble shootings in work related activities
Ans. 
Troubleshooting work-related activities involves identifying and resolving issues to ensure smooth operations.
• Identify the root cause of the issue

• Develop a plan to address the problem

• Implement solutions and monitor their effectiveness

• Communicate with team members to ensure everyone is on the same page
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