as 4749 2001 non destructive testing terminology of and ab
as 4749 2001 non destructive testing terminology of and ab
... Standard ™ Non- destructive testing Terminology of and abbreviations for fusion weld imperfections as revealed by radiography Originated as AS Z5.2—1968. Revised and redesignated as AS 4749 2001. COPYRIGHT © ... prohibited. AS 4749 2001 © Standards Australia www.standards.com.au 4 STANDARDS AUSTRALIA Australian Standard Non- destructive testing Terminology of a...
Ngày tải lên: 12/03/2014, 18:03
as 2177 1 1994 non destructive testing radiography of weld
... detection of planar-type defects such as cracks and lack of side-wall fusion becomes less certain as the beam spread increases. The use of other non- destructive testing methods such as ultrasonic, ... prohibited. AS 2177.1 —1994 26 APPENDIX B GUIDANCE FOR THE USE OF THIS STANDARD (Informative) B1 GENERAL The selection and use of any method of non- destructive...
Ngày tải lên: 12/03/2014, 18:02
as 2207 1994 non destructive testing ultrasonic testing of
... the toe of the weld — 1 and 2, or 3 and 4, and 5 and 6‡, or 7 and 8§ 1 and 2, or 3 and 4, over a distance of 2.5T* from each side of the toe of the weld — 1 and 2, or 3 and 4 1 and 2, or 3 and 4, ... metal 1 and 2 over a distance of 2.5T* from each side of the toe of the weld 3† 1 and 2‡, and 3§ or 4 1 and 2 over a distance of 2.5T* from each side...
Ngày tải lên: 12/03/2014, 18:02
non destructive testing qualification and cer
... background in applicable materials, fabrication and product technology in order to be able to select methods and establish techniques and to assist in establishing acceptance criteria where none is otherwise ... main text of this International Standard. B.2 Bibliographic references [1] ANSI/ASNT CP-189-1995, American National Standard for Qualification and Certification of Non-...
Ngày tải lên: 12/03/2014, 18:02
non destructive testing
... Non Destructive Testing Visual Inspection Visual inspection is the one NDT method used extensively to evaluate the condition or the quality of a weld or component. It is easily carried ... whereas gamma rays are produced from radioactive isotopes such as Iridium 192 The x-ray or gamma rays are placed close to the material to bc inspected and they pass through the material...
Ngày tải lên: 12/03/2014, 18:06
Teaching speaking skill for non-major ma students of english at vnuh
... interaction-based activities, such as role plays and information gap tasks. Curricular choices, such as task-based and project-based activities also promote interaction. Pair work and group work ... 0 Table 4: Students’ assessment of classroom speaking activities given by teachers The data in table 4 show that all teachers design classroom speaking activities but none of the...
Ngày tải lên: 07/11/2012, 14:26
The 11th form non-english majors’ level of satisfaction with their reading comprehension lessons at phan boi chau specialized upper secondary school, nghe an
... strategies of elaboration it will help them with learning vocabulary and minimize some of their frustrations. Vocabulary is an essential constituent of second language acquisition and is of great ... strategies. Type of task: The nature of the task helped determine the strategies naturally employed to carry out the task. Age and L2 stage: Students of different a...
Ngày tải lên: 07/11/2012, 14:54
DESIGNING AN END OF YEAR ENGLISH OBJECTIVE TEST FOR 1ST YEAR NON MAJOR ENGLISH STUDENTS OF THE ACADEMY OF FINANCE
... there are two components of test reliability: the performance of candidates from occasion to occasion, and the reliability of the scoring. Therefore, he suggests several ways of achieving consistent ... an end -of- year English objective test for 1 st year non- major English students of the Academy of Finance really satisfies the need. II. AIMS OF THE STUDY It has been easy...
Ngày tải lên: 07/09/2013, 13:19
THE 11TH FORM NON ENGLISH MAJORS’ LEVEL OF SATISFACTION WITH THEIR READING COMPREHENSION LESSONS AT PHAN BOI CHAU SPECIALIZED UP
... classes have been assigned with a relatively equal proportion of good, average and poor English proficiency students and these classes are at different levels of English. From observation and ... inconsistency or possible biases and then displayed in forms of tables and charts. How the questionnaire data was analysed? • Classroom observation: What was the purpose of observat...
Ngày tải lên: 07/09/2013, 13:48
Ethernet Test Access Panel Non-Invasive Testing and Monitoring
... Panel Non- Invasive Testing and Monitoring ADC’s new Ethernet Test Access Panel is the first of its kind for non- invasive testing and monitoring of Ethernet signals up to and including Gigabit ... such as Ethernet service delivery and data centers, the need to provide non- invasive points for testing and monitoring becomes a critical element of network design. ADC’...
Ngày tải lên: 18/10/2013, 20:15