Civil Surveyor

Civil Surveyor Interview Questions and Answers

Updated 21 Jan 2025

Q1. What is Procedure Cube test of concrete as per Grad M10,15,20,25

Ans.

Cube test is conducted to determine the compressive strength of concrete for different grades like M10, M15, M20, M25.

Prepare the concrete mix as per the design mix proportions for the respective grade (M10, M15, M20, M25).
Fill the concrete in cube molds of standard size and compact it properly using a tamping rod.
After 24 hours, demold the cubes and cure them in water for 7 or 28 days depending on the grade.
Place the cubes in a compression testing machine and apply load grad...read more

Ans.

ETP stands for Effluent Treatment Plant, which consists of primary, secondary, and tertiary treatment processes.

Primary treatment involves physical processes like screening and sedimentation to remove large solids.
Secondary treatment uses biological processes to break down organic matter, such as activated sludge process or trickling filters.
Tertiary treatment includes processes like filtration and disinfection to further purify the effluent before discharge.
Chemical treatmen...read more

Ans.

The principle of surveying involves the measurement and mapping of land and other features to determine their positions and dimensions.

Surveying is used to establish property boundaries, create topographic maps, and plan construction projects.
It involves the use of various instruments and techniques such as total stations, GPS, and leveling equipment.
Surveyors collect data through field measurements and then analyze and interpret the data to create accurate maps and plans.
The...read more

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Tests on piles are conducted to assess the load-bearing capacity, integrity, and quality of the piles used in construction projects.

Static load test: Applying a static load to the pile to measure its deflection and load-bearing capacity.
Dynamic load test: Using a hammer to apply impact loads to the pile and analyzing the response to determine its integrity.
Pile integrity test: Using sonic or thermal methods to assess the continuity and integrity of the pile.
Cross-hole sonic l...read more

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Ans.

An Inspection Test Plan is a document outlining the procedures and criteria for inspecting and testing materials, products, or processes.

It details the specific tests to be conducted, the acceptance criteria, and the responsibilities of those involved.
It helps ensure that quality standards are met and that products or processes meet regulatory requirements.
Examples include checking the dimensions of a building foundation, testing the strength of construction materials, or ins...read more