J. Kumar Infraprojects Quality Engineer Interview Questions and Answers

Q1. Is code 456,1199,
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Q2. How many zone in column
Ans. 
The number of zones in a column depends on the specific context, such as the type of column being referred to (e.g. geographical, organizational, etc.)
• The number of zones in a column can vary based on the purpose of the column

• For example, a geographical column may have different zones representing regions or countries

• An organizational column may have zones representing departments or teams
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Q3. Roles and responsibilities of QA Engineer
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Q4. Some questions on mix digen
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Q1. Concrete soil aggregate bitumen and all testing
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Q2. Aggregate testing
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Q3. Soil cube slump testing
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Q1. Cement concrete
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Q2. Bitumen testing
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Q1. What is mix design?
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Mix design is the process of determining the proportions of ingredients to create a concrete mix with desired properties.
• Mix design involves selecting the appropriate materials such as cement, aggregates, and water.

• The proportions of each material are determined based on the desired strength, workability, and durability of the concrete mix.

• Testing is often conducted to ensure the mix meets specified requirements before
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Q1. Wath is the code of mix design
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The code of mix design refers to the specific set of guidelines and calculations used to determine the proportions of ingredients in a concrete mix.
• The code of mix design provides a standardized approach to ensure the desired strength and durability of the concrete.

• It takes into account factors such as the type of cement, aggregate properties, water-cement ratio, and admixtures.

• Examples of mix design codes include the ...read more
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Q2. How much water abjoption in bricks
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Water absorption in bricks depends on various factors such as composition, porosity, and manufacturing process.
• Water absorption in bricks is measured as a percentage of the weight of dry brick that absorbs water.

• The water absorption rate of bricks can vary from 5% to 20% depending on their quality.

• Bricks with higher water absorption rates are generally less durable and more prone to damage.

• Factors affecting water absor...read more
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Q3. How many test in bricks
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The number of tests in bricks depends on various factors such as quality standards, intended use, and regulations.
• The number of tests can vary based on the type of bricks (e.g., clay bricks, concrete bricks).

• Common tests for bricks include compressive strength, water absorption, efflorescence, and dimensions.

• Additional tests may be conducted to assess durability, thermal conductivity, and resistance to chemicals.

• Testin...read more
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100 marks paper in that cut will depend on no. Of person attempting

There will be a topic .., in that you have to give u r best

Q1. Related u r previous experience if any , some technical question
Ans. Be prepared for this .. important
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Q1. Regarding salary packages etc
Ans. Demand high salary other than u r expecting
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Q1. What are your salary expectations?
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Q2. What is your family background?
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Q3. Why should we hire you?
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Q4. What are your strengths and weaknesses?
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Q5. Tell me about yourself.
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Q1. Technical questions from civil engineering branch
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Q1. Technical questions from civil engineering branch
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Q1. Please provide all the required sizes of sieves needed to establish a fine aggregate sieve analysis.
Ans. 
The required sizes of sieves for fine aggregate sieve analysis are typically 3/8", #4, #8, #16, #30, #50, #100, and pan.
• 3/8" sieve

• #4 sieve

• #8 sieve

• #16 sieve

• #30 sieve

• #50 sieve

• #100 sieve

• Pan
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Q2. What is characteristic strength and terget mean strength ? Relation between both ?
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Characteristic strength is the strength of a material below which not more than a specified proportion of test results are expected to fall. Target mean strength is the strength that a structure is designed to achieve.
• Characteristic strength is a statistical value representing the lower tail of the strength distribution of a material.

• Target mean strength is the strength that a structure is designed to achieve based on ...read more
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Q3. Explain M25 and what should be the value of cube of M25 grade concrete ?
Ans. 
M25 is a mix of concrete with a compressive strength of 25 MPa. The cube strength of M25 grade concrete should be 25 MPa.
• M25 is a mix of concrete with a compressive strength of 25 MPa.

• The cube strength of M25 grade concrete should be 25 MPa.

• The mix proportion for M25 grade concrete is usually 1:1:2 (cement:sand:aggregate).
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Q4. Difference between OPC and PPC cement ?
Ans. 
OPC cement is Ordinary Portland Cement, while PPC cement is Portland Pozzolana Cement.
• OPC is made by grinding clinker with gypsum, while PPC is made by intergrinding clinker with fly ash and gypsum.

• PPC has higher long-term strength and durability compared to OPC.

• PPC is more environmentally friendly due to the use of fly ash as a partial replacement for clinker.

• OPC is commonly used for general construction purposes, whi...read more
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Q1. Salary expectation and place of posting
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Q2. Discussion about adjust notice period
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Q3. Family background and future planning
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