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VISH WIND INFRASTRUCTURE Interview Questions, Process, and Tips
VISH WIND INFRASTRUCTURE Interview Experiences
1 interview found
Anonymous
Interview Questionnaire
5 Questions
- Q1. How to calculate reactive power loss in transformer ?
- Ans.
Reactive power loss in transformer can be calculated using the formula Q = V^2/X, where V is the voltage and X is the reactance.
Reactive power loss occurs due to the magnetic field in the transformer
It is important to calculate reactive power loss to ensure efficient operation of the transformer
Reactance can be calculated using the formula X = 2πfL, where f is the frequency and L is the inductance
Reactive power loss ca...
- Q2. What is the difference between over current and earth fault protection ?
- Ans.
Over current protection is for excessive current flow, while earth fault protection is for current leakage to earth.
Over current protection is used to protect against excessive current flow in a circuit.
Earth fault protection is used to detect current leakage to earth.
Over current protection is typically achieved using fuses or circuit breakers.
Earth fault protection is typically achieved using residual current devices...
- Q3. Single phase loading of three phase transformer
- Ans.
Single phase loading of three phase transformer
Single phase loads can be connected to one or two phases of a three phase transformer
The third phase remains idle and no current flows through it
The transformer's capacity is reduced when single phase loads are connected
The transformer's efficiency may also be affected
Examples include residential and small commercial buildings with single phase loads
- Q4. Duty cycle of sf6 circuit breaker and it's meaning
- Ans.
Duty cycle of SF6 circuit breaker refers to the ratio of time it can be operated to the total time period.
Duty cycle is expressed as a percentage
It is important to ensure that the breaker is not operated beyond its duty cycle
For example, if the duty cycle is 50%, the breaker can be operated for 30 minutes in an hour
Exceeding the duty cycle can cause damage to the breaker and reduce its lifespan
- Q5. Logic of fast bus transfer? Draw scemeatic logic .What is 2/3 logic in bus system ? Logic diagram of three phase and single phase auto reclosing in switch yard .
- Ans.
Explanation of fast bus transfer logic and 2/3 logic in bus system. Logic diagrams for auto reclosing in switch yard.
Fast bus transfer logic is used to quickly transfer power from one bus to another in case of a fault or maintenance.
2/3 logic in bus system refers to the use of two out of three sources to power a bus, ensuring redundancy and reliability.
Auto reclosing in switch yard is a mechanism to automatically resto...
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Interview Questionnaire
1 Question
- Q1. Normal question about personality and job related
Interview Preparation Tips
Experience: Interview was going smoothly & all questions was related my job so it's was easy for me.
Tips: Good knowledge about of wind turbine
Duration: 2 hours
Total Questions: 25
Round: HR Interview
Experience: Interview was completed so easy
Tips: Required nice personality and confidence is must required
I applied via Campus Placement and was interviewed before Nov 2020. There were 5 interview rounds.
Interview Questionnaire
2 Questions
- Q1. What is a HVDC system?
- Ans.
HVDC stands for High Voltage Direct Current. It is a system used for transmitting high voltage electricity over long distances.
HVDC systems are used to transmit electricity over long distances with minimal losses.
They are more efficient than traditional AC systems for long-distance transmission.
HVDC systems use converters to convert AC power to DC power and vice versa.
Examples of HVDC systems include the Itaipu HVDC sy...
- Q2. What is rectifier
- Ans.
A rectifier is an electronic device that converts AC to DC.
Rectifiers are commonly used in power supplies to convert AC voltage to DC voltage.
They can be made using diodes or other semiconductor devices.
Rectifiers are essential for many electronic devices to function properly.
Examples of rectifiers include bridge rectifiers, half-wave rectifiers, and full-wave rectifiers.
Interview Preparation Tips
I applied via Naukri.com and was interviewed before Nov 2021. There were 4 interview rounds.
(1 Question)
- Q1. Experience related questions Materials selection, material properties Types of hardwares, bolted joints types
(1 Question)
- Q1. Model test on Autodesk Inventor
(1 Question)
- Q1. CTC Related discussion
Interview Preparation Tips
I was interviewed in Sep 2020.
Interview Questionnaire
1 Question
- Q1. There was many technical and project related questions they asked me.
Interview Preparation Tips
(2 Questions)
- Q1. Normal basic questions
- Q2. Tell me about your college
(1 Question)
- Q1. Tell us about yourself
Interview Preparation Tips
A basic aptitude test which focuses on key areas of a person
(2 Questions)
- Q1. Where do you see yourself in 10 years
- Q2. Why Greenko group? And what do u bring to table
Selected
I applied via Campus Placement and was interviewed before Oct 2022. There were 4 interview rounds.
Numbers,LCM,HCF,Time speed Distance,Percentage
They randomly given any topic. Time limit is 5-10 minutes in a group of 10 members. Everyone has to speak about the topic.
(5 Questions)
- Q1. Types of Concrete & their grades with mix proportion ratio ?
- Ans.
Types of concrete include normal strength, high strength, and high-performance concrete, each with different mix proportions.
Normal strength concrete: typically used for general construction, with mix proportions of 1:2:4 (cement:sand:aggregate)
High strength concrete: used for structures requiring higher strength, with mix proportions of 1:1.5:3
High-performance concrete: designed for specific applications, with mix pro
- Q2. Steps Involved in concreting & curing ?
- Ans.
Steps involved in concreting & curing include preparation of formwork, mixing of concrete, pouring, leveling, finishing, and curing.
Prepare formwork by setting up wooden or metal molds to contain the concrete.
Mix concrete ingredients such as cement, sand, aggregate, and water in the correct proportions.
Pour the concrete into the formwork, ensuring it reaches all corners and edges.
Level the concrete surface using a scre...
- Q3. Purpose of Retaining Wall ?
- Ans.
Retaining walls are structures designed to hold back soil and prevent erosion.
Prevent soil erosion
Support sloping terrain
Create usable space on a hillside
Enhance landscaping design
- Q4. What is Bending moment & Shear force diagram ?
- Ans.
Bending moment & Shear force diagrams show the variation of internal forces along the length of a beam.
Bending moment diagram shows the variation of bending moment along the length of a beam.
Shear force diagram shows the variation of shear force along the length of a beam.
These diagrams are essential for analyzing the behavior of beams under different loading conditions.
The diagrams help in determining the maximum bend...
- Q5. Roles of quantity Surveyor at site & office ?
- Ans.
Quantity Surveyors manage costs and contracts for construction projects, both on-site and in the office.
Preparing cost estimates and budgets
Analyzing construction plans and specifications
Negotiating with contractors and suppliers
Managing contracts and variations
Conducting site visits and inspections
Preparing progress reports and final accounts
Interview Preparation Tips
- Fluid Mechanics
- Soil Mechanics
- Quantity Surveying
Selected
I applied via Naukri.com and was interviewed in Mar 2024. There were 2 interview rounds.
(1 Question)
- Q1. Resume related question.
(1 Question)
- Q1. Salary discussion?
Interview Preparation Tips
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