Nagarjuna Construction Company QA/QC Manager Interview Questions and Answers

Q1. Explain how to manage QAQC job
Ans. 
Managing QAQC job involves planning, implementing, and monitoring quality control measures to ensure compliance with standards.
• Develop and implement quality control procedures

• Train and supervise staff on quality control measures

• Monitor and analyze quality control data

• Identify and address quality control issues

• Collaborate with other departments to ensure compliance with standards

• Continuously improve quality control proc...read more
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Q2. What is the difference of QA or QC and how manage of NCR
Ans. 
QA focuses on preventing defects while QC focuses on identifying and correcting defects.
• QA involves creating processes and procedures to prevent defects from occurring in the first place

• QC involves testing and inspecting products or services to identify defects and correct them

• NCR (Non-Conformance Report) is managed by identifying the root cause of the non-conformance, taking corrective action, and preventing recurrenc...read more
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General knowlegde, Basic Aptitude, Domain Technical MCQ

Genx vs Genz, Altitude and comparsion

Q1. Components of Transformer
Ans. 
Components of a transformer include core, windings, and insulation.
• Core: Provides a path for magnetic flux

• Windings: Primary and secondary coils for inducing voltage

• Insulation: Prevents short circuits and ensures safety
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Q2. Question based on series and parallel resistance
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Q1. Brief in QMS why it is adopted
Ans. 
QMS is adopted to ensure consistent quality, meet customer requirements, and improve processes.
• Ensures consistent quality of products or services

• Helps meet customer requirements and expectations

• Improves processes and efficiency

• Reduces risks and errors

• Enhances customer satisfaction

• Provides a framework for continuous improvement
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Q2. Design mix procedure
Ans. 
Design mix procedure involves determining the proportions of materials to create a concrete mix with desired properties.
• Identify the required strength and durability of the concrete

• Select suitable materials such as cement, aggregates, and water

• Calculate the proportions of each material based on mix design methods

• Test the mix to ensure it meets specifications

• Adjust the mix if necessary to achieve desired properties
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Q1. Grade of concrete
Ans. 
Grade of concrete refers to its strength and durability.
• Grade of concrete is determined by its compressive strength.

• It is denoted by a number followed by 'M' (e.g. M20, M25).

• Higher grade concrete has higher strength and durability.

• Different grades of concrete are used for different purposes.

• For example, M20 grade is commonly used for residential construction.
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Q2. Mix design of concrete
Ans. 
Mix design of concrete involves determining the proportions of ingredients to achieve desired properties.
• Mix design is the process of determining the proportions of cement, water, aggregates, and admixtures in concrete.

• It involves considering factors such as strength, workability, durability, and economy.

• Various methods like the ACI method, British method, and DOE method can be used for mix design.

• The mix design proces...read more
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Q1. Status of my life style
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Q2. My behaviour and other
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Q1. What are doing in metro project
Ans. 
I am responsible for ensuring quality control and quality assurance in the construction of the metro project.
• Conducting inspections and tests on materials used in construction

• Ensuring compliance with project specifications and standards

• Identifying and resolving any quality issues that may arise

• Collaborating with project managers and contractors to maintain quality standards
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Q2. You know about pre casting
Ans. 
Pre casting is a construction method where concrete elements are cast in a different location before being transported to the construction site.
• Pre casting helps in ensuring quality control and reducing construction time on site.

• Examples include precast concrete panels, beams, and columns.

• It allows for better planning and coordination of construction activities.
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Q1. About your experiences
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Q2. What you have do in your job
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Q3. Some technical questions from your job
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Q4. Is codes questions
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Q5. Share your experiences
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Normal introduction and interview

Q1. Type of electrical motor
Ans. 
There are various types of electrical motors including AC motors, DC motors, synchronous motors, and induction motors.
• AC motors: commonly used in household appliances and industrial applications

• DC motors: used in applications where speed control is important, such as in electric vehicles

• Synchronous motors: used in applications where precise speed control is required, such as in clocks and timers

• Induction motors: widely...read more
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Q2. 3 phase induction motor starter
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Q3. Protection of transformer
Ans. 
Protection of transformer involves measures to prevent damage from overcurrent, overvoltage, and overheating.
• Use overcurrent protection devices such as fuses and circuit breakers to prevent damage from excessive current flow.

• Install overvoltage protection devices like surge arresters to safeguard against voltage spikes.

• Implement temperature monitoring systems to prevent overheating, such as thermal sensors and cooling ...read more
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Q4. ACB VCB maintenance
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Q5. Star delta connection
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