Nondestructive Testing (NDT) is a wide-ranging gathering of test and inspection processes used to distinguish surface and sub-surface deformities or irregularities in sample tests, without influencing the future working presentation of the assessed parts.
Unit-III Non Destructive Testing (NDT)
Subject Name: OML751 Testing of Materials
Topics: Various NDT tests [Visual inspection, Liquid penetrant test, Magnetic particle test, Thermography test, Radiographic test, Eddy current test, Ultrasonic test, Acoustic emission test]
B.E. Mechanical Engineering
Final Year, VII Semester, Open Elective Subject
[As per Anna University R-2017]
Introduction to the non destructive testing explains the methods for evaluating and verifying many types of Materials as plastics, structures, metals, chemicals, leakage, physical properties. It's very used in the concrete engineering world and in the scientific world.
NDT Versus Mechanical testing, Overview of the Non Destructive Testing Methods for the detection of manufacturing defects as well as material characterisation. Relative merits and limitations, Various physical characteristics of materials and their applications in NDT., Visual inspection – Unaided and aided
It useful for ndt student to achieve the methods of NDT (NON-DESTRUCTIVE TESTING) and easy langauge is used for students to catch the methods of NON DESTRUCTIVE TESTING
Unit-III Non Destructive Testing (NDT)
Subject Name: OML751 Testing of Materials
Topics: Various NDT tests [Visual inspection, Liquid penetrant test, Magnetic particle test, Thermography test, Radiographic test, Eddy current test, Ultrasonic test, Acoustic emission test]
B.E. Mechanical Engineering
Final Year, VII Semester, Open Elective Subject
[As per Anna University R-2017]
Introduction to the non destructive testing explains the methods for evaluating and verifying many types of Materials as plastics, structures, metals, chemicals, leakage, physical properties. It's very used in the concrete engineering world and in the scientific world.
NDT Versus Mechanical testing, Overview of the Non Destructive Testing Methods for the detection of manufacturing defects as well as material characterisation. Relative merits and limitations, Various physical characteristics of materials and their applications in NDT., Visual inspection – Unaided and aided
It useful for ndt student to achieve the methods of NDT (NON-DESTRUCTIVE TESTING) and easy langauge is used for students to catch the methods of NON DESTRUCTIVE TESTING
NDT-Nondestructive testing is the process of inspecting, testing, or evaluating materials, components or assemblies for discontinuities, or differences in characteristics without destroying the serviceability of the part or system. In other words, when the inspection or test is completed the part can still be used.
Introduction & uses of non destructive testingndtindia123
Nondestructive testing or Non-destructive testing (NDT) is a wide group of analysis techniques used in science and industry to evaluate the properties of a material, component surface & subsurface without causing damage or effect to their future performance or properties. Non-destructive testing is used to detect abnormalities in physical, chemical or electrical characteristics.
Nondestructive testing (NDT) is the process of inspecting, testing, or evaluating materials, components or assemblies for discontinuities, or differences in characteristics without destroying the serviceability of the part or system. In other words, when the inspection or test is completed the part can still be used.
various nondestructive testing techniques and their inspections on aircraft s...kd11
to study various nondestructive testing techniques, related inspections - eddy current on aircraft wheel hubs of airbus a320 aircraft and ultrasonic inspections on i.a.e v2500 aero engine fan blades, suggest remedial measures.
Testing comprise all the techniques of materials or products under different types of loadings. This way, the reliability of product to end user is assured and the process of material selection is done with a lot of ease.
Testing can be classified in two main categories depending upon destruction of products as
Destructive Testing
Non-Destructive Testing
These comprises all those techniques which are highly regulated on some standard in which specimen is broken/destructed.
Major destructive testing used these days are
Tensile Testing
Impact Testing
Burst Testing
Fatigue Testing
Creep Testing
Non-destructive testing (NDT) is a wide group of analysis techniques used in science and industry to evaluate the properties of a material, component or system without causing damage.
Another terms for NDT is NDE
Highly valuable technique that can save both money and time in product evaluation.
Accident prevention and to reduce costs
To improve product reliability
To determine acceptance to a given requirement
To quick information on repair criteria.
Visual Inspection
Acoustic Emission
Eddy Current
Liquid Penetrant
X-Ray/ Radiography
Magnetic method
Visual and optical inspection (or testing) is still a basic method for many applications. Visual inspection involves using an inspector's eyes to look for defects. The inspector may also use special tools such as magnifying glasses, mirrors, or bore scopes to gain access and more closely inspect the subject area. Visual examiners follow procedures that range from simple to very complex.
Detection and analysis of AE signals can supply valuable information regarding the origin and importance of a discontinuity in a material.
It has many industrial applications
Assessing structural integrity (Welding)
Detecting flaws
Testing for leaks (Pressure Vessel)
Monitoring weld quality
Research tool.
In a standard eddy current testing a circular coil carrying current is which generates eddy current then the presence of any flaws, will cause a change in eddy current and a corresponding change in the phase and amplitude of the measured current.
Applications:
Surface Breaking Cracks
SBC using Sliding Probes
Tube Inspection Conductivity
Heat Treat Verification
In it the defects/cracks are studied using a penetrant/dye. low surface tension fluid penetrates into clean and dry surface-breaking discontinuities. Penetrant may be applied to the test component by dipping, spraying, or brushing. After adequate penetration time has been allowed, the excess penetrant is removed and a developer is applied. The developer helps to draw penetrant out of the flaw so that an invisible indication becomes visible to the inspector. Inspection is performed under ultraviolet or white light
X-rays are just like any other kind of electromagnetic radiation. They can be produced in parcels of energy called photons, just like light.
These are used to produce image
NDT-Nondestructive testing is the process of inspecting, testing, or evaluating materials, components or assemblies for discontinuities, or differences in characteristics without destroying the serviceability of the part or system. In other words, when the inspection or test is completed the part can still be used.
Introduction & uses of non destructive testingndtindia123
Nondestructive testing or Non-destructive testing (NDT) is a wide group of analysis techniques used in science and industry to evaluate the properties of a material, component surface & subsurface without causing damage or effect to their future performance or properties. Non-destructive testing is used to detect abnormalities in physical, chemical or electrical characteristics.
Nondestructive testing (NDT) is the process of inspecting, testing, or evaluating materials, components or assemblies for discontinuities, or differences in characteristics without destroying the serviceability of the part or system. In other words, when the inspection or test is completed the part can still be used.
various nondestructive testing techniques and their inspections on aircraft s...kd11
to study various nondestructive testing techniques, related inspections - eddy current on aircraft wheel hubs of airbus a320 aircraft and ultrasonic inspections on i.a.e v2500 aero engine fan blades, suggest remedial measures.
Testing comprise all the techniques of materials or products under different types of loadings. This way, the reliability of product to end user is assured and the process of material selection is done with a lot of ease.
Testing can be classified in two main categories depending upon destruction of products as
Destructive Testing
Non-Destructive Testing
These comprises all those techniques which are highly regulated on some standard in which specimen is broken/destructed.
Major destructive testing used these days are
Tensile Testing
Impact Testing
Burst Testing
Fatigue Testing
Creep Testing
Non-destructive testing (NDT) is a wide group of analysis techniques used in science and industry to evaluate the properties of a material, component or system without causing damage.
Another terms for NDT is NDE
Highly valuable technique that can save both money and time in product evaluation.
Accident prevention and to reduce costs
To improve product reliability
To determine acceptance to a given requirement
To quick information on repair criteria.
Visual Inspection
Acoustic Emission
Eddy Current
Liquid Penetrant
X-Ray/ Radiography
Magnetic method
Visual and optical inspection (or testing) is still a basic method for many applications. Visual inspection involves using an inspector's eyes to look for defects. The inspector may also use special tools such as magnifying glasses, mirrors, or bore scopes to gain access and more closely inspect the subject area. Visual examiners follow procedures that range from simple to very complex.
Detection and analysis of AE signals can supply valuable information regarding the origin and importance of a discontinuity in a material.
It has many industrial applications
Assessing structural integrity (Welding)
Detecting flaws
Testing for leaks (Pressure Vessel)
Monitoring weld quality
Research tool.
In a standard eddy current testing a circular coil carrying current is which generates eddy current then the presence of any flaws, will cause a change in eddy current and a corresponding change in the phase and amplitude of the measured current.
Applications:
Surface Breaking Cracks
SBC using Sliding Probes
Tube Inspection Conductivity
Heat Treat Verification
In it the defects/cracks are studied using a penetrant/dye. low surface tension fluid penetrates into clean and dry surface-breaking discontinuities. Penetrant may be applied to the test component by dipping, spraying, or brushing. After adequate penetration time has been allowed, the excess penetrant is removed and a developer is applied. The developer helps to draw penetrant out of the flaw so that an invisible indication becomes visible to the inspector. Inspection is performed under ultraviolet or white light
X-rays are just like any other kind of electromagnetic radiation. They can be produced in parcels of energy called photons, just like light.
These are used to produce image
Exploring the World of NDT Inspection Services: Types and BenefitsFalcon Laboratory
NDT inspection services refer to a variety of non-destructive testing techniques that are used to evaluate the properties of a material, component or system without causing damage.
Please Visit: https://www.falconlabuae.com/ndt-services/
Destructive & Non Destructive Testing Of MaterialsShrinivas Kale
This presentation is about " Destructive & Non Destructive Testing Of Materials" . This presentation covers all major methods of destructive and destructive testing of materials.
Welding is a common joining process used extensively
in automobile industries, aircraft machine frames structural
work ship building and various other fields. The physical
properties of these welds are influenced by several factors. In
order to produce satisfactory weldments which fulfill the
requirement of quality the integrity of quality control is
important. To understand the various defects, their causes and
remedies can help to ensure higher quality and longer lasting
welds. This report contains essential information of surface
irregularities and weld discontinuities. Non destructive testing
(NDT) is a mechanism which helps in finding out of defects of any
item like welds before major harms happen to the item without
affecting its usefulness. This thesis discusses the non destructive
testing of weld structures. There are more than fourteen methods
of NDT in metals, in this thesis the most important ones-Visual,
Ultrasonic, X-ray and penetrant testing are discussed in detail.
The experimental results are discussed and comparisons are
made based on cost, accuracy, safety, time consumption, etc.
Based on these comparisons conclusions and recommendations
are made.
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Accelerate your Kubernetes clusters with Varnish CachingThijs Feryn
A presentation about the usage and availability of Varnish on Kubernetes. This talk explores the capabilities of Varnish caching and shows how to use the Varnish Helm chart to deploy it to Kubernetes.
This presentation was delivered at K8SUG Singapore. See https://feryn.eu/presentations/accelerate-your-kubernetes-clusters-with-varnish-caching-k8sug-singapore-28-2024 for more details.
Kubernetes & AI - Beauty and the Beast !?! @KCD Istanbul 2024Tobias Schneck
As AI technology is pushing into IT I was wondering myself, as an “infrastructure container kubernetes guy”, how get this fancy AI technology get managed from an infrastructure operational view? Is it possible to apply our lovely cloud native principals as well? What benefit’s both technologies could bring to each other?
Let me take this questions and provide you a short journey through existing deployment models and use cases for AI software. On practical examples, we discuss what cloud/on-premise strategy we may need for applying it to our own infrastructure to get it to work from an enterprise perspective. I want to give an overview about infrastructure requirements and technologies, what could be beneficial or limiting your AI use cases in an enterprise environment. An interactive Demo will give you some insides, what approaches I got already working for real.
Transcript: Selling digital books in 2024: Insights from industry leaders - T...BookNet Canada
The publishing industry has been selling digital audiobooks and ebooks for over a decade and has found its groove. What’s changed? What has stayed the same? Where do we go from here? Join a group of leading sales peers from across the industry for a conversation about the lessons learned since the popularization of digital books, best practices, digital book supply chain management, and more.
Link to video recording: https://bnctechforum.ca/sessions/selling-digital-books-in-2024-insights-from-industry-leaders/
Presented by BookNet Canada on May 28, 2024, with support from the Department of Canadian Heritage.
GraphRAG is All You need? LLM & Knowledge GraphGuy Korland
Guy Korland, CEO and Co-founder of FalkorDB, will review two articles on the integration of language models with knowledge graphs.
1. Unifying Large Language Models and Knowledge Graphs: A Roadmap.
https://arxiv.org/abs/2306.08302
2. Microsoft Research's GraphRAG paper and a review paper on various uses of knowledge graphs:
https://www.microsoft.com/en-us/research/blog/graphrag-unlocking-llm-discovery-on-narrative-private-data/
Neuro-symbolic is not enough, we need neuro-*semantic*Frank van Harmelen
Neuro-symbolic (NeSy) AI is on the rise. However, simply machine learning on just any symbolic structure is not sufficient to really harvest the gains of NeSy. These will only be gained when the symbolic structures have an actual semantics. I give an operational definition of semantics as “predictable inference”.
All of this illustrated with link prediction over knowledge graphs, but the argument is general.
Dev Dives: Train smarter, not harder – active learning and UiPath LLMs for do...UiPathCommunity
💥 Speed, accuracy, and scaling – discover the superpowers of GenAI in action with UiPath Document Understanding and Communications Mining™:
See how to accelerate model training and optimize model performance with active learning
Learn about the latest enhancements to out-of-the-box document processing – with little to no training required
Get an exclusive demo of the new family of UiPath LLMs – GenAI models specialized for processing different types of documents and messages
This is a hands-on session specifically designed for automation developers and AI enthusiasts seeking to enhance their knowledge in leveraging the latest intelligent document processing capabilities offered by UiPath.
Speakers:
👨🏫 Andras Palfi, Senior Product Manager, UiPath
👩🏫 Lenka Dulovicova, Product Program Manager, UiPath
Epistemic Interaction - tuning interfaces to provide information for AI supportAlan Dix
Paper presented at SYNERGY workshop at AVI 2024, Genoa, Italy. 3rd June 2024
https://alandix.com/academic/papers/synergy2024-epistemic/
As machine learning integrates deeper into human-computer interactions, the concept of epistemic interaction emerges, aiming to refine these interactions to enhance system adaptability. This approach encourages minor, intentional adjustments in user behaviour to enrich the data available for system learning. This paper introduces epistemic interaction within the context of human-system communication, illustrating how deliberate interaction design can improve system understanding and adaptation. Through concrete examples, we demonstrate the potential of epistemic interaction to significantly advance human-computer interaction by leveraging intuitive human communication strategies to inform system design and functionality, offering a novel pathway for enriching user-system engagements.
UiPath Test Automation using UiPath Test Suite series, part 3DianaGray10
Welcome to UiPath Test Automation using UiPath Test Suite series part 3. In this session, we will cover desktop automation along with UI automation.
Topics covered:
UI automation Introduction,
UI automation Sample
Desktop automation flow
Pradeep Chinnala, Senior Consultant Automation Developer @WonderBotz and UiPath MVP
Deepak Rai, Automation Practice Lead, Boundaryless Group and UiPath MVP
JMeter webinar - integration with InfluxDB and GrafanaRTTS
Watch this recorded webinar about real-time monitoring of application performance. See how to integrate Apache JMeter, the open-source leader in performance testing, with InfluxDB, the open-source time-series database, and Grafana, the open-source analytics and visualization application.
In this webinar, we will review the benefits of leveraging InfluxDB and Grafana when executing load tests and demonstrate how these tools are used to visualize performance metrics.
Length: 30 minutes
Session Overview
-------------------------------------------
During this webinar, we will cover the following topics while demonstrating the integrations of JMeter, InfluxDB and Grafana:
- What out-of-the-box solutions are available for real-time monitoring JMeter tests?
- What are the benefits of integrating InfluxDB and Grafana into the load testing stack?
- Which features are provided by Grafana?
- Demonstration of InfluxDB and Grafana using a practice web application
To view the webinar recording, go to:
https://www.rttsweb.com/jmeter-integration-webinar
2. Here are the top reasons non-destructive testing is used by numerous companies throughout the world:
Savings
The most certain answer to this question is that non-destructive testing is more tempting than destructive testing because it
permits the material or object being inspected to survive the examination unharmed, hence saving money and resources.
Safety
NDT is also appealing because almost all Non-Destructive Techniques (except radiographic testing) are bland to people.
Efficiency
NDT procedure permits for a thorough and relatively instantaneous evaluation of assets, which can be essential for ensuring
continued safety and performance on a job site
Accuracy
NDT methods have been proven precise and expectable, both qualities you want when it comes to conservation procedures
meant to make sure the safety of personnel and the durability of the equipment.
NDT is essential for a well-run facility. NDT techniques and repeatable results depend on highly trained technicians with
experience and integrity. Industrial non-destructive methods and clarification of results are performed by proficient
professionals. Not only is the technician required to be certified in a particular NDT method, but they also require to know
how to operate the equipment being used to gather data. Understanding equipment capabilities and limitations are the
alterations amidst making an accept or reject determination.
3. Eight Most Common NDT Methods
There are several techniques used in non-destructive testing for
the collection of several types of data, each requiring its own sort
of tools, preparation, and training.
Some of these techniques might permit for a comprehensive
volumetric examination of an object, while others only allow a
surface examination. In the same way, some non-destructive
testing procedures will have varying degrees of success
depending on the sort of material they are used on, and some
techniques -such as Magnetic Particle NDT, for example- will only
work on specific materials (i.e., those that can be magnetized).
In a similar way, some NDT methods will have varying degrees of
success depending on the type of material they’re used on, and
some techniques—such as Magnetic Particle NDT, for example—
will only work on specific materials (i.e., those that can be
magnetized).
Here are the eight most commonly used NDT techniques:
4. VISUAL TESTING (VT)
Visual Non Destructive testing lab is the performance of gathering
graphic data on the grade of a factual. Visual Testing is a vital
way to examine a physical or object without changing it in any
way.
Visual Testing can be done with the naked eye, by an examiner
graphically reviewing material or asset. For indoor Visual Testing,
expert inspectors use flashlights to add depth to the object being
inspected. Visual Testing can also be done with a Remote Visual
Inspection tool, like a camera. To get a camera in place, non-
destructive inspectors may use a drone or robot, or may simply
hang it from a rope.
ULTRASONIC TESTING (UT)
Ultrasonic non-destructive testing is the process of transmitting high-
frequency sound waves into a physical in order to identify
changes in the component’s or material’s possessions.
Generally, Ultrasonic Testing uses sound waves to detect flaws
or deficiencies on the surface of the material created.
One of the most shared Ultrasonic Testing methods in the pulse-
echo. With this technique, examiners introduce sounds into the
material and measure the echoes (or sound reflections)
produced by limitations on the surface of the material as they
are returned to a receiver.
5. Here are some other types of
Ultrasonic Testing:
Phased Array Ultrasonic
Testing (PAUT)
Automated Ultrasonic
Testing (AUT)
Time-Of-Flight Diffraction
(TOFD)
1 2 3
6. RADIOGRAPHY TESTING (RT)
Radiography NDT is the procedure of using gamma- or X-radiation on
materials to recognise flaws.
RT directs radiation from a radioactive isotope or an X-ray generator
through the component being tested and onto a film or some other
kind of sensor. The readings from the detector create a
shadowgraph, which discloses the fundamental features of the
examined material.
RT can discover features of a physical that can be hard to sense with the
naked eye, such as changes to its density.
EDDY CURRENT (ELECTROMAGNETIC) TESTING (ET)
Eddy Current Non destructive testing is a sort of electromagnetic testing
that uses measurements of the power of electrical currents (also
called eddy currents) in a magnetic field near a physical in order to
make purposes about the material, which may include the
locations of flaws.
To bear Eddy Current Testing, examiners inspect the movement of eddy
currents in the magnetic field adjacent to a conductive material to
recognise pauses caused by flaws or failures in the component.
7. MAGNETIC PARTICLE TESTING (MT)
Magnetic Particle NDT is the procedure of classifying deficiencies in a
component or material by inspecting disturbances in the
movement of the magnetic field surrounded by the material.
In order to use MT, examiners first persuade a magnetic field in a
material that is highly susceptible to magnetization. After
prompting the attractive field, the surface of the material is then
enclosed with iron particles, which reveal commotions in the
movement of the magnetic field. These disturbances create visual
needles for the locations of flaws within the component or
material.
ACOUSTIC EMISSION TESTING (AE)
Acoustic Emission NDT is the procedure of using acoustic releases to
classify possible defects and failures in a material.
Examiners conducting AE are probing materials for eruptions of audio
energy, also called acoustic emissions, which are produced by flaws
in the material. Intensity, location, and arrival time can be
inspected to disclose data about possible flaws within the
component or material.
8. LIQUID PENETRANT TESTING (PT)
Liquid Penetrant NDT refers to the course of using a liquid to cover a
substance and then looking for disruptions in the liquid to classify
deficiencies in the component or material.
LEAK TESTING (LT)
Leak NDT mentions the procedure of learning escapes in a vessel or
construction in order to recognise imperfections in it.
Examiners can identify leakages within a vessel using dimensions taken
with a pressure gauge, soap-bubble tests, or electronic listening
devices, among others.
Where Is Non-Destructive Testing Used?
Depending on how broadly you define nondestructive testing
you could say that it’s used in almost every manufacturing unit in the
world, subsequently, visual inspections (whether formalized or
casual) take place in almost every workshop in some form or other.
That being said, there are particular organisations that require non-
destructive testing and have dignified processes for its use, as
organised by those companies we listed above like API and ASME.
9. The primary industries include:
01 02 03 04
05
Oil & Gas
06 07
Power Generation Chemicals Mining
Aerospace Automotive Maritime
10. Want to Speak to Our Team?
Some of the Non-Destructive Testing Methods are as follows:
Rebound Hammer Test
Conducting a rebound hammer test as per IS 13311(Part-2), ASTM C 805. The rebound hammer test shall be
conducted at all those points where the UPV test has been performed. One point consisting of six readings
spread over an area of 1 sq. shall be considered as 1 test.
Ultra-Sonic Pulse Velocity Test
Conducting Ultra-Sonic Pulse velocity (UPV) test at selected locations on the RCC members of the Structures
covered under the study by making 300 mm x300mm c/c grids to know about the homogeneity and
quality of concrete. The test is performed as per the IS 13311 (Part-1) / ASTM C 597.
Core Extraction and Testing
Extracting the concrete core samples of minimum 65 mm diameter and 100-150 mm length (approx.) from a
selected location forms RCC members of the structures covered under the study and evaluation of the
properties in the laboratory from the core sample selected. IS 456:2000; IS 516:1959; IS 1199:2002; ASTM
C-42.
11. Half–Cell / Surface Potential Test
Measuring the half-cell /surface potential at the selected location on RCC members of the structures covered
under the study will help in understanding the extent of reinforcement corrosion as per ASTM C 876.
Ferro Scanning Test
At a selected location on the RCC members of the structures covered under the study see the adequacy of
concrete cover to rebars and the effect of carbonation.
Carbonation Test
Measurement of carbonation depth by phenolphthalein spray test at the selected location on RCC members of
the structures covered under the study is used to see the depth of carbonation.
Moisture Test by Moisture Meter
Moisture profile of concrete with respect to depth.
Chemical Analysis
Chemical analysis of chlorides, Sulfates, pH, alkali-silica, etc on concrete powder collected from the structures,
covered under the study, by drilling to understand the chemical deterioration/degradation of concrete and
its effect on reinforcement corrosion.
12. Contact Our Team
What are the types of non-destructive testing?
Here are the eight most-used NDT techniques:
Visual Testing (VT) …
Ultrasonic Testing (UT) …
Radiography Testing (RT) …
Eddy Current (Electromagnetic) Testing (ET) …
Magnetic Particle Testing (MT) …
Acoustic Emission Testing (AE) …
Liquid Penetrant Testing (PT) …
Leak Testing (LT)
What is a non-destructive testing technician?
NDT Technicians, also known as non-destructive testing technicians, perform
tests and provide information about the condition of components and
materials without destroying them.
13. What is the difference between destructive and non-destructive testing?
Destructive testing destroys or alters the part so that even if it passes the test, it is no longer fit for service,
whereas Non-destructive testing doesn’t eliminate or adjusts the part is still fit for use if it clears all the tests.
What is the most frequently used non-destructive test?
Ultrasonic Testing (UT),
Radiographic Testing (RT),
Electromagnetic Testing (ET),
Magnetic Particle Testing (MT),
Liquid Penetrant Testing (PT),
Visual Testing (VT), are the six most frequently used non-destructive tests.
How do you get into non-destructive testing?
Potential inspectors require a high school diploma or GED certification at the lever where the job will place them,
and a background in engineering or related procedures will get into non-destructive testing.
Is NDT dangerous?
Though NDT testing does not possess hazardous to testing personnel, however, it does involve potentially
harmful exposures to ultraviolet radiation, ionizing radiation, or X-rays.
14. THANKS
Do you have any questions?
Website : www.sigmatest.org
Phone No. : +91 - 95 60 222 333
Address : Office: 99, Badli Industrial Area,
Phase 2, New Delhi, Delhi 110042