Concrete is an indispensable construction material of modern age. The properties of concrete are greatly dependant on the constituents, workmanship, water-cement ratio, compaction, curing etc. Direct assessment of the strength of concrete is not possible because direct tests induces destructive stresses and causes failure of the structure. So the concrete strength is tested using standard specimens made with the same mix as that of the structure. But the test specimens can vary from the actual structure in properties due to difference in compac ....etc

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please give me pdf of this book on practical non destructive testing by baldev raj. ....etc

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Abstract
Destructive and non-destructive methods have been used for the determination of micro-traces of antimony in high-purity silicon powder. The destructive method was based on sub-stoichiometric radio-activation analysis with solvent extraction using BPHA and cupferron as organic reagents. The antimony contents in high-purity silicon can be determined by the proposed method.
A new non-destructive method was developed for the detection of refrigerant leakage at an evaporator's inflow. Nitrogen and oxygen gas were suc ....etc

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good reference material.The way that black ink works, it’s a black dye which is mixed with crystals of a salt which is either very acidic or very alkaline, and that paint is actually pH sensitive. It’s sensitive to whether the environment is acid or alkaline. As the temperature changes, that material melts and it mixes with the dye. That actually changes the optical properties of that dye and changes it from being very opaque black paint to being completely transparent. So, it’s all governed by the melting temperature of these crystals th ....etc

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Please sent book link and i try long time not download so please sent book link ....etc

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Am Avinash Kumar R Assistant Professor at Dr MCET Pollachi. For the students I request a pdf free copy of practical non destructive testing by baldev raj.

Am Avinash Kumar R Assistant Professor at Dr MCET Pollachi. For the students I request a pdf free copy of practical non destructive testing by baldev raj.

m Avinash Kumar R Assistant Professor at Dr MCET Pollachi. For the students I request a pdf free copy of practical non destructive testing by baldev raj. ....etc

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MAINTAINENCE OF POWER TRANSFORMER & TESTINGS
ABSTRACT
This project majorly deals with the performance, commissioning and testing of a POWER TRANSFORMER . It gives a brief idea of periodical maintenance of the power transformer in a 220/132/33-11 kv Renigunta substation. A practical power transformer is given here with all parts and its protective devices. The typical test results are also provided.
Transformer is a vital page link in a power system ....etc

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INTRODUCTION
The successful operation of structures / components during their entire life requires the implementation of a dedicated programme for condition assessment through in-service inspection (ISI) of all critical components of the plants / structures. The condition assessment through ISI and life prediction approaches enable uninterrupted operation, avoidance of unplanned shutdowns and taking decision on repair, up-gradation, modernization and replacement of necessary components for extension ....etc

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For taking seminars and  studying for semester examination. It is the best book for searching and studying purpose ....etc

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ABSTRACT
Condition monitoring of components and plants are of great importance for safe and reliable operation and for increasing productivity of plants. The challenges towards the condition monitoring can be successfully met by employing non-destructive evaluation (NDE) techniques. Vibration monitoring techniques are applied for periodic / continuous assessment of machinery parts and plants. Acoustic emission technique is used for leak detection and for structural integrity monitoring applications. Inf ....etc

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