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I applied via Naukri.com and was interviewed in Jan 2023. There were 4 interview rounds.
NATM stands for New Austrian Tunneling Method, a construction method for tunnels and underground spaces.
Construction method for tunnels and underground spaces
Involves excavation, support, and monitoring
Developed in Austria in the 1960s
Uses a combination of rock bolts, shotcrete, and steel ribs for support
Powder factor is the amount of explosive required to break a unit volume of rock in blasting operations.
Powder factor is calculated by dividing the total amount of explosive used by the volume of rock being blasted.
The formula for powder factor is: Powder Factor = Total mass of explosives / Volume of rock being blasted.
Powder factor is typically measured in units of kg/m3 or lb/yd3.
A higher powder factor indicates a mo...
Details about TMT and concrete grade
I applied via Newspaper Ad and was interviewed before Sep 2023. There were 3 interview rounds.
Check on through knowledge in MM, Tenure History, Management Skill on MM and Management
I applied via Approached by Company and was interviewed in Mar 2023. There were 2 interview rounds.
Patel Engineering interview questions for popular designations
Get interview-ready with Top Patel Engineering Interview Questions
I applied via Naukri.com and was interviewed in Jun 2022. There was 1 interview round.
Hydraulic design involves the use of fluid mechanics to design structures and tunnels that can withstand water pressure.
Understanding of fluid mechanics and hydraulic principles
Knowledge of materials and their properties
Ability to use software such as AutoCAD and ANSYS
Experience with designing drainage systems and water management
Familiarity with safety regulations and environmental impact assessments
I applied via Naukri.com and was interviewed in Jul 2022. There were 2 interview rounds.
I applied via Naukri.com and was interviewed before Nov 2022. There were 3 interview rounds.
How to betterment of coding of Materials and it requirements
Phase voltage for 220kV is approximately 127kV.
Phase voltage is the voltage between any one phase and the neutral point in a three-phase system.
For a 220kV system, the phase voltage can be calculated using the formula: Phase Voltage = Line Voltage / √3.
In this case, Line Voltage = 220kV, so Phase Voltage ≈ 220kV / √3 ≈ 127kV.
Phase voltage 220kV refers to the voltage between any two phases of a three-phase power system.
Phase voltage is the voltage between any two phases of a three-phase power system
In a 220kV system, the voltage between any two phases is 220kV
This voltage is used for transmission of power over long distances
It is important to note that the voltage between a phase and neutral in a 220kV system is 127kV
I applied via Company Website and was interviewed in Jan 2022. There was 1 interview round.
Preparation for testing cement, sand, and aggregate for road and building work structures.
Collect samples of cement, sand, and aggregate from the source.
Mix the samples in the correct proportion to form a test specimen.
Add water to the specimen and mix it thoroughly.
Fill the specimen in a cube or cylinder mold and compact it.
Leave the specimen to cure for a specific period.
Test the specimen for compressive strength, wa...
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