Katerra QA/QC Manager Interview Questions and Answers

The test is very difficult you have to complete all 20 questions which consist GC , subject related

Q1. What is the wave trape?
Ans. 
A wave trap is a device used in electrical engineering to prevent unwanted signals or frequencies from entering a system.
• Wave traps are typically used in power systems to filter out specific frequencies that can cause interference.

• They are designed to allow only desired signals to pass through while blocking unwanted signals.

• Wave traps can be used in substations, transmission lines, and other electrical systems to impr...read more
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Q2. Which types of circuit breaker use in substation
Ans. 
Types of circuit breakers used in substations include air circuit breakers, oil circuit breakers, vacuum circuit breakers, and SF6 circuit breakers.
• Air circuit breakers are commonly used in low voltage applications.

• Oil circuit breakers are used in high voltage applications.

• Vacuum circuit breakers are compact and reliable, suitable for medium voltage applications.

• SF6 circuit breakers are used in high voltage substations
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Global warming ,covid-19, current affairs

Q1. What is the procedure for selection of material, calculations and realtime experience on projects.
Ans. 
The procedure for material selection, calculations, and real-time experience in projects involves thorough research, analysis, and testing.
• Research different materials based on project requirements and constraints

• Perform calculations to determine material properties, dimensions, and feasibility

• Conduct tests and simulations to validate material selection and design choices

• Gain real-time experience through hands-on proje...read more
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Q1. Transformer tests
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Q1. What is concrete temperature
Ans. 
Concrete temperature refers to the temperature of freshly mixed concrete before it sets.
• Concrete temperature affects the setting time and strength development of concrete.

• It is important to monitor and control the temperature of concrete during mixing, transportation, and placement.

• The ideal temperature range for concrete is typically between 50-75 degrees Fahrenheit.

• Extreme temperatures can lead to issues such as ther...read more
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Q1. Self introduction & previous company experience
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About your position.

Q1. About is code use in concrete
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Q2. IS 456 2000
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Q1. SLD related questions
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Q1. Substation layout APFC relay Motor protection circuit
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Q1. Expected Salary Notice Period
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