Exam Question
(a) What is understood by 'Non-destructive testing' on board and their advantages (4)
(b) Explain briefly
(i) Liquid Penetrant testing (4)
(ii) Magnetic Particle testing (4)
(iii) Ultrasonic testing. (4)
Class 4 (4th Engineer)
MEP
📅 Jul 2022
Reference Answer
### (a) Non-Destructive Testing (NDT) and its Advantages
**Definition of Non-Destructive Testing (NDT):**
Non-Destructive Testing, often referred to as NDT or Non-Destructive Examination (NDE), 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. The primary purpose of NDT on board a vessel is to identify and assess defects, discontinuities, or imperfections in machinery components and structural members to ensure their integrity and fitness for service, thereby preventing catastrophic failures.
Key characteristics of NDT are:
**Definition of Non-Destructive Testing (NDT):**
Non-Destructive Testing, often referred to as NDT or Non-Destructive Examination (NDE), 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. The primary purpose of NDT on board a vessel is to identify and assess defects, discontinuities, or imperfections in machinery components and structural members to ensure their integrity and fitness for service, thereby preventing catastrophic failures.
Key characteristics of NDT are:
Full answer on MeoMock — surveyor-grade reference answers for 7,000+ written exam questions.
Prepare on Android — MeoMock on Google Play