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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.
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
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.
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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...
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.
I applied via Naukri.com and was interviewed in Aug 2024. There was 1 interview round.
Tata Projects interview questions for designations
Earth matic, reasoning, general knowledge
Get interview-ready with Top Tata Projects Interview Questions
I applied via Campus Placement and was interviewed before Jul 2022. There were 4 interview rounds.
General questions are asked in the test
Thermodynamics is a branch of physics that deals with heat, work, and energy transfer.
Thermodynamics is based on the first and second laws of thermodynamics.
It involves studying the relationships between heat, work, and energy in a system.
Key concepts include entropy, enthalpy, and heat transfer.
Applications of thermodynamics include engines, refrigeration, and power plants.
HVAC stands for heating, ventilation, and air conditioning. It is used to control the temperature, humidity, and air quality in indoor spaces.
HVAC systems are commonly used in residential, commercial, and industrial buildings.
They help maintain a comfortable environment by regulating temperature and humidity levels.
Examples of HVAC applications include central heating and cooling systems, air purifiers, and ventilation...
I applied via Approached by Company and was interviewed before Mar 2022. There were 2 interview rounds.
I applied via Approached by Company and was interviewed before Oct 2022. There were 3 interview rounds.
I applied via Campus Placement and was interviewed before Jan 2022. There were 4 interview rounds.
Aptitude Tests Basically tests your quantitative and qualitative skills related to the particular Job you have applied.
Through GD's interviewer wants to know how well communicate in a tough scenario and ho well you behave when upfronts are given back to back in real-time scenarios.
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