Tata Projects Interview Questions, Process, and Tips for Experienced

Q1. What is the size of the cube in millimeters?
Ans. 
The size of a cube is determined by the length of its sides, measured in millimeters.
• A cube has equal sides; if one side is 10mm, all sides are 10mm.

• Volume can be calculated as side^3; for a 10mm cube, volume = 1000mm³.

• Common sizes include 5mm, 10mm, 20mm, etc., depending on the application.
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Q2. What is the nominal strength of M20 grade concrete after 7 days, expressed in kN/mm²?
Ans. 
M20 concrete typically achieves about 70% of its strength in 7 days, approximately 15-17 kN/mm².
• M20 grade concrete has a characteristic compressive strength of 20 MPa (20 N/mm²) at 28 days.

• After 7 days, M20 concrete generally reaches about 65-70% of its 28-day strength.

• This means the nominal strength after 7 days is approximately 13-14 N/mm², or 13-14 kN/mm².

• Factors like curing conditions and temperature can affect the
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Q3. What is different between np2 pipe & np3 pipe
Ans. 
NP2 and NP3 pipes differ in their pressure ratings and applications in construction and plumbing.
• NP2 pipes have a lower pressure rating compared to NP3 pipes, making them suitable for less demanding applications.

• NP3 pipes are designed for higher pressure applications, often used in water supply and drainage systems.

• For example, NP2 pipes might be used for irrigation, while NP3 pipes are used in municipal water supply.

• T...read more
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Q4. How to check anodized aluminum depth
Ans. 
To check anodized aluminum depth, use methods like thickness gauges or chemical tests for accurate measurement.
• Use a micrometer or caliper to measure the thickness of the anodized layer directly.

• Employ a portable anodizing thickness gauge, which uses eddy current or ultrasonic methods.

• Conduct a chemical test using a specific anodizing depth measurement solution that reacts with the anodized layer.

• Perform a scratch test...read more
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Q5. How much slope provide in toilet bathroom pipe line
Ans. 
A toilet bathroom pipeline should have a slope of 1/4 inch per foot for effective drainage.
• A slope of 1/4 inch per foot is standard for toilet drain lines.

• This slope ensures proper flow and prevents clogs.

• For example, a 10-foot pipe should drop 2.5 inches from the toilet to the sewer line.

• Too steep a slope can cause waste to flow too quickly, leading to blockages.
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Q1. Total Experience with contraction company
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Q2. Your privious company
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Q3. What purpose Change Company
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Q4. Payment Requirement
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Q5. Notice period Days
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Q6. Salary slip 3 month
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Q7. Discuss payment
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Q8. Selection in designation
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Q9. Extra payment hike
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Q10. Company Role Discuss
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Q11. Discuss to latter send
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Q12. After joining the time
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Q13. Final Decision Discuss
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Q14. Offer letter send
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Q15. All documents send
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Q16. Joining the Company
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Q17. Side reporting company
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Q18. Working starts it
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Q19. Company rules fallowing
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Q1. No proper interview ques
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Q2. Ques asked depending on their mood
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Q3. Waste and time consuming process
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Q1. Outdated hr metrics
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Q2. No structured ques..waste of time
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Q1. Your Rool permanent
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Q2. Company work years
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Q1. Payment Details
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Q2. Company policy
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Company Notice period