Ultrasonic - Study guides, Class notes & Summaries

CWB MOD 19 ULTRASONIC INSPECTION TEST QUESTIONS WITH CORRECT ANSWERS 2024 Exercise Questions - Section 1 & 2 1. The upper limit of human hearing is approximately a) 20 Hz b) 20 kHz c)20 MHz b) 20 kHz Exercise Questions - Section 1 & 2 2. A typical frequency used for ultrasonic testing of welds is: a) 2.25MHz b) 2.25kHz c) 2.25 Hz a) 2.25MHz Exercise Questions - Section 1 & 2 3. If an ultrasonic wave in a block of steel has a wavel...

Test Bank for Darby and Walsh Dental Hygiene 5e 5th Edition by Jennifer A Pieren, Denise M. Bowen. ISBN-13: 7192 Full Chapters test bank included Part 1: Conceptual Foundations 1. The Dental Hygiene Profession 2. Dental Hygiene Metaparadigm Concepts and Conceptual Models 3. Evidenced-Based Decision Making 4. Community Health 5. Sustainable Health Behavior Change 6. Cultural Competency in Healthcare 7. Legal and Ethical Decision Making 8. The Professional E-Portfolio Part 2: Preparati...

Test Bank For Newman and Carranza’s Clinical Periodontology for the Dental Hygienist By Michael G. Newman; Gwen Essex; Lory Laughter; Satheesh Elangovan 8418, 2 , 8425, 0 1 The Historical Background of Periodontology 2 Evidence-Based Decision Making 3 Critical Thinking 4 Anatomy, Structure, and Function of the Periodontium 5 Aging and the Periodontium 6 Classification of Diseases and Conditions Affecting the Periodontium 7 Fundamentals in the Methods of Periodontal Disease...

UL Standard for intrusion detectors - 639 UL Standard for connectors and switches - 634 When installing NC door contacts (open on alarm), the EOL resistor should be placed - In series at device When installing NO door contacts (short on alarm), the EOL resistor should be placed - In parallel at device A motion detector that uses a transmit frequency of 20 to 40 KHz is referred to as a: - Ultrasonic detector A motion detector that uses a transmit frequency of 10-20 GHz is referred to as a...

Tattoo Oregon Test 2023 EXAM QUESTIONS WITH 100% CORRECT ANSWERS What should you use during a tattoo to clean the skin? a) madacide b) antiseptic c) green soap d) alcohol - ANSWERS antiseptic What does 'clean' mean? a) an area that has been cleaned with soap and water b) single use equipment c) absence of soil and dirt by washing, sweeping, clearing away, or any other appropriate method rendering a sanitary condition d) someone who is free of disease or has been ...

Which category of dental assistant may perform a facebow transfer procedure - Dental assistant under direct supervision Which category of dental assistant may fabricate a direct provisional restoration - Registered dental assistant under supervision defined by the dentist Which category of dental assistant may remove orthodontic bands and remove excess cement from supragingival surfaces of teeth with a hand instrument - Orthodontic assistant under direct supervision Adding medication to i...

NDT ULTRASONIC LEVEL 1 EXAM...

ultrasonic Shear wave testing questions and answers verified 2024

1. Which is not a recommended method for surface cleaning of a part for liquid penetrant examination? a) Cleaning with organic solvents. b) Blasting with shot or dull sand. c) Cleaning with de-greasers. d) Use of de-scaling solutions. e) Ultrasonic cleaning methods. correct answersb) Blasting with shot or dull sand. 2. Which of the following weld defects is most likely to be missed by radiography in a weld: a) Undercutting. b) Porosity. c) Slag inclusions. d) Cracking. e) Burn throu...

What are two types of electronically powered driven instrumentation - 1. Sonic (3,000-8,000 CPS) 2. ultrasonic ****What are two types of ultrasonic devices - 1. magnetostrictive 2. piezoelectric ****Hanpieces either holds a transducer _________ or insert __________ - piezo magnetostrictive ****What is the unit of frequency measure in - -CPS cycles per second or -Hz hertz Magnetostrictive moves in _______________ tip motion - elliptical Piezoelectric moves in ___________ t...