Monday 30 September 2024

GATE 2025 important question related to concrete technology ( properties of hardened concrete , material testing's , stress -strain etc. )

 Dear students here you find important question related to concrete technology (  properties of hardened concrete , material testing's , stress -strain etc. )

Hopes it will be helpful to students in forthcoming GATE 2025 Exam.

1.

When compression test is carried out on a concrete cylinder of L/D = 2, the mid height of the cylinder is in a state of A. Because of this state of stress, the cracks formed at the centre are B. Find A and B from the options below.

 
 
 
 

Thursday 19 September 2024

GATE 2025 ADVANCED CONCRETE TECHNOLOGY MCQ

 


1. Type III cement in ASTM C150 (as compared to Type I) –

 
 
 
 

Tuesday 17 September 2024

GATE 2025 MCQ on Geotechnical Earthquake Engineering

 Dear students here are some MCQ on Geotechnical Earthquake Engineering 

This MCQ are helpful for upcoming GATE 2025 Exam,

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QGIS for GIS Applications

 

INTRODUCTION

Using of geo-information technologies for the management of agricultural land attracts interest of researchers all over the world. It is an effective tool that allows farmers to use land resources on a sustainable basis, several times reducing the time and money required for surveys . In addition, studying of GIS benefits in order to fight the negative consequences of soil use will more effectively predict and prevent such phenomena thus contributing to rational land use . The GIS software industry has a boom over the last decade. The utilization of Geographical Information Systems (GIS) brings incredible favorable circumstances for crafted by planers, however the specification and complexity of the program makes it expensive and the purchase must be considered wisely, especially in small planning organizations. This blog study introduction of QGIS Software in GIS and its historical perspective and future

QGIS: HISTORICAL PERSPECTIVE AND FUTURE

QGIS (beforehand known as Quantum GIS) is a free and open-source cross-platform desktop geographic data framework (GIS) application that backings survey, altering, and investigation of geospatial information. It exists for the working frameworks Windows, Mac OS X, Linux, BSD and Android (beta). QGIS programming is created by utilizing the programming dialect C++ and the modules of the open source venture Qt Project which is a cross-stage application and UI structure. The "Q" in QGIS identifies with the one from Qt Project. Before the 2.0 discharge in September tenth, 2013, the program was referred to as Quantum GIS and additionally QGIS and is solely called QGIS from that point forward. QGIS is accessible in 42 dialects. QGIS comprises of four components, QGIS Desktop, QGIS Browser/Mobile, QGIS Web Client and QGIS Server. QGIS Desktop is the proportionate to ArcGIS for Desktop as it gives GIS capacities to information creation, review, altering, and examination. In 2014, the QGIS advancement group chose to have another discharge each fourth months. The present form is QGIS 2.18. 'Las Palmas' and was discharged on Jan 19th, 2018. The advancement design anticipates a three-month improvement stage and a one-month stage for bug settling, interpretation, and testing.

QGIS acquires awesome open door making topical maps, charts, plots and other educational substance. QGIS likewise gives a dream, a general evaluation about spatial of oversaw protests by various information hotspots for directors. QGIS is open source programming that is complimentary. Subsequently, the clients don't need to stress over copyright issues and subsidizes for the upkeep of the product. As QGIS is an open source programming and it is anything but difficult to access as contrast with business programming ArcGIS. QGIS has less preparing time and better rendering capacities. For cost and effortlessness, QGIS is a noteworthy contrasting option to ArcGIS for the making of GIS Applications. Contrasting with ArcGIS, QGIS can be introduced on different working frameworks, for example, Windows, Mac OS X, Linux (Ubuntu), and Unix, while ArcGIS just has Windows form. In the educating of geospatial ideas, the greater part of the educational programs utilizes free and open-source programming (FOSS) to accomplish this objective. Open-source GIS programming enables understudies to experience such frameworks without the need to obtain expensive licenses.

Monday 16 September 2024

Application of GIS in soil survey and mapping

 Introduction 

The GIS software arc info and arc view are used to create soil database attribute data of soils can be depth, texture, pH, drainage, salinity, alkalinity conditions, run off, erosion, nutrient availability etc. Attribute data linked with spatial data hence linking special information with non spatial information from soil model. Through soil models thematic Maps could be easily generated. Sharing and spreading information is easier when information is stored in digital form. Soil survey data can be made use of in the development of agriculture, irrigation purposes, forestry, several engineering purposes and so on. Land capabilities, soil irritability and soil suitability classifications are made based on soil survey interpretation. Based on interpretation potentialities limitations of soils can be obtained and such information are used to construct database using GIS. The soil map is obtained from soil survey report is digitized. A database using arc info in formed. Each Polygon is digitized map represent classes of soil family and soil associations.

Advantages of GIS

Some of the merits of GIS in soil database generation and management are:- 

1. Digital database has developed. 

2. Date accuracy. 

3. Maintains consistency.

 4. Easy to update. 

5. Large volume of information can be analyzed. 

6. Quick data updating retrieval. 

7. Map generation is quicker and cheaper process.

 8. Visual effects are better. 

9. Manpower minimization while map production. 

10. Systematic query search. 

11. Interactive mapping 

12. Create 3D map. 

13. Large scale data integration. 

14. Modelling is more effective.

 15. Compatibility with GPS and SIS Technologies



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