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I was interviewed before Dec 2021.
The grades of steel refer to different classifications based on their chemical composition and physical properties.
Steel grades are typically designated by a combination of numbers and letters.
Common steel grades include A36, A572, and A514.
Each grade has specific characteristics that make it suitable for different applications.
Grades of steel can vary in terms of strength, hardness, corrosion resistance, and weldabili...
Nominal mix design is a method of proportioning ingredients in concrete using nominal ratios.
Nominal mix design uses approximate ratios of ingredients instead of exact measurements.
It is commonly used for small construction projects where precise measurements are not necessary.
For example, a nominal mix of 1:2:4 would mean one part cement, two parts sand, and four parts coarse aggregate.
Nominal mix design is not recomm...
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posted on 2 Dec 2024
I applied via Referral and was interviewed in Jun 2024. There was 1 interview round.
I applied via Referral and was interviewed in May 2024. There were 2 interview rounds.
SOP for basic activities at site includes inspection, testing, documentation, and reporting.
Inspection of materials and equipment
Testing of materials for quality control
Documentation of test results and findings
Reporting any deviations or non-conformities
Ensuring compliance with project specifications and standards
I applied via Naukri.com and was interviewed in Sep 2022. There were 2 interview rounds.
The slump cone size is 12 inches in height, 8 inches in diameter at the base, and 4 inches in diameter at the top.
The slump cone is used to measure the consistency of concrete.
It is filled with freshly mixed concrete and then lifted vertically to see how much the concrete slumps or settles.
The size of the cone affects the accuracy of the test results.
The standard size for a slump cone is 12 inches in height, 8 inches i...
There are several types of brick tests including compressive strength, water absorption, efflorescence, and dimension tests.
Compressive strength test measures the ability of a brick to withstand crushing loads.
Water absorption test determines the amount of water absorbed by a brick.
Efflorescence test checks the presence of white salt deposits on the surface of bricks.
Dimension test ensures that the bricks meet the requ...
posted on 8 Feb 2021
I applied via Referral and was interviewed in Jan 2021. There were 3 interview rounds.
I applied via Naukri.com and was interviewed before Jan 2021. There were 2 interview rounds.
The question is about requirements for WPS PQR, piping, and tank RT.
WPS (Welding Procedure Specification) and PQR (Procedure Qualification Record) are required for welding processes.
Piping requirements include material selection, design, fabrication, installation, and testing.
Tank RT (Radiographic Testing) requirements involve inspecting welds and joints for defects using X-rays or gamma rays.
All of these requirements ...
Slump test is a method to measure the workability of concrete by observing the consistency and flow of the concrete mix.
Prepare a slump cone by lubricating the inside surface and placing it on a smooth, flat surface.
Fill the cone with concrete in three layers, each layer tamped with a rod 25 times.
Remove excess concrete, level the top, and lift the cone vertically. Measure the slump of the concrete.
Record the slump mea...
To fill a cube, ensure all sides are properly aligned and filled with the material. Check for any gaps or air pockets.
Ensure the cube mold is clean and dry before filling.
Pour the material into the mold slowly and evenly to prevent air pockets.
Use a vibrating table to help settle the material and remove any air bubbles.
Check for any leaks or cracks in the mold before filling to prevent material from leaking out.
After f...
I applied via LinkedIn and was interviewed in Feb 2024. There were 2 interview rounds.
There are several types of steel tests including tensile test, hardness test, impact test, and bend test.
Tensile test measures the strength of steel by pulling it until it breaks.
Hardness test determines the resistance of steel to indentation or scratching.
Impact test evaluates the toughness of steel by subjecting it to sudden loading.
Bend test assesses the ductility of steel by bending it to a specific angle without f
I applied via Campus Placement and was interviewed in Sep 2023. There were 2 interview rounds.
Electrical based aptitude
A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.
Consists of two coils of wire, known as primary and secondary windings
Primary winding receives electrical energy and induces a magnetic field
Magnetic field then transfers energy to secondary winding
Used to step up or step down voltage in electrical systems
Commonly used in power distribution systems
An induction motor is a type of AC motor where power is supplied to the rotor by electromagnetic induction.
Consists of a stator and a rotor
Does not require any physical connection between the rotor and the stator
Commonly used in household appliances, industrial machinery, and electric vehicles
Types of AC motors include induction motors, synchronous motors, and single-phase motors.
Induction motors: most commonly used type, work on the principle of electromagnetic induction
Synchronous motors: maintain constant speed with the help of external DC supply
Single-phase motors: used in household appliances, have a single-phase power supply
Types of induction motors include single-phase, three-phase, squirrel cage, and wound rotor motors.
Single-phase induction motor: used in household appliances and small industrial applications
Three-phase induction motor: most commonly used in industrial settings for their efficiency and reliability
Squirrel cage induction motor: simple and rugged design, widely used in various applications
Wound rotor induction motor: all...
A motor is a device that converts electrical energy into mechanical energy to perform work.
Motors are commonly used in various applications such as electric vehicles, industrial machinery, and household appliances.
They come in different types such as AC motors, DC motors, and stepper motors.
Motor capacity refers to its power rating, typically measured in horsepower (HP) or kilowatts (kW).
Higher capacity motors can gene...
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