UT chapter 1 Flashcards
THE TRADITIONAL DEFINITION HAS HELD THE ULTRASOUND BEGINS AT________CYCLES PER SECOND
20,0000
ULTRASONIC TESTING FREQUENCIES COMMONLY REANGE FROM ________ TO _________ CYCLES PER SECOND`
50,000, 25,000,000
AN ULTRASONIC TEST MAY BE USED TO MEASURE_______ OR TO EXAMINE______ OF MATERIAL FOR POSSIBLE DISCONTINUITIES SUCH AS________ AND/OR_______CRACKS
THE THICKNESS, THE INTERNAL SURFACE, VOIDS, CRACKS
WHO DEVELOPED THE FIRST PULSE ECHO INSTRUMENT FOR DETECTING DEEP SEATED DISCONTINUITIES?
FLOYD FIRESTONE
WHAT ARE WILLIAM HITT AND DONALD ERMAN CREDITED WITH?
ESTABLISHMENT OF BASIC STANDARDS AND THE FIRST PRACTICAL IMMERSION TESTING SYSTEM
ULTRASONIC TESTING IS USED TO TEST A VARIETY OF BOTH METALLIC AND NONMETALLIC PRODUCTS SUCH AS:
WELDS, FORGINGS, CASTINGS, SHEET, TUBING, PLASTICS
AS AN ULTRASONIC WAVE MOVES THROUGH A MATERIAL THE PARTICLES DO NOT TRAVEL WITH THE WAVE THEY ONLY____________ OF THE WAVE
REACT TO THE ENERGY
A WAVE LENGTH IS DEFINED AS THE DISTANCE FROM _______ TO ________ OR _______ TO ________
TROUGH, TROUGH, CREST, CREST
THE AMERICAN SOCIETY FOR NONDESTRUCTIVE TESTING HAS PUBLISHED GUIDELINES FOR TRAINING AND QUALIFYING NDT PERSONNEL SINCE______
1966
WHAT DOES SNT-TC-1C-1a DESCRIBE?
RESPONSIBILITIES OF NDT PERSONNEL IN TERMS OF CERTIFICATION LEVELS
WHAT ARE THE THREE(3) BASIC LEVELS OF CERTIFICATION?
RECOMMENDED PRACTICE NO. SNT-TC-1A:
LEVEL 1, LEVEL II, AND LEVEL III
A TRAINEE MUST WORK UNDER THE DIRECT GUIDANCE OF WHOM?
THE CERTIFIED INDIVIDUAL
WHAT FOUR (4) EXAMS SHALL BE GIVEN TO LEVEL I AND LEVEL II PERSONNEL?
WRITTEN, PRACTICAL, VISION TEST, AND GENERAL.
WHOSE RESPONSIBILITY IS IT TO CERTIFY NDT PERSONNEL?
THE EMPLOYER
WHICH DOCUMENT DESCRIBES AN EMPLOYER’S REQUIREMENT FOR INITIAL TRAINING EXPERIENCE AND EXAMINATIONS IN ORDER TO BE CERTIFIED TO LEVEL I OR LEVEL II?
THE EMPLOYERS WRITTEN PRACTICE.
