Compressional waves Study guides, Class notes & Summaries
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PES- Finals Study Guide Questions and Answers 100% Solved
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PES- Finals Study Guide Questions and 
Answers 100% Solved 
Convergent Plate Boundary ️️When two plates move toward each other 
Divergent Plate Boundary ️️When two plates move away from each other 
Transform Plate Boundary ️️When two plates slide past each other 
What is the driving force behind plate tectonics? ️️Convection Currents 
What were Wegener's pieces of evidence to help prove the continental drift? ️️1. Fossils of 
plants and animals 
2. Mountain Ranges and Mid-...
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ERSC181 Geology Week 3 (American Public University)
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Week 3 Exam 
Question 1 of 25 
What is a shadow zone and why does it exist? 
 A. A shadow zone appears on the opposite side of the planet from the earthquake source 
because S waves cannot move through liquid. 
Question 2 of 25 
Where would an earthquake most likely occur? 
 D. along plate boundaries 
Question 3 of 25 0.0/4.0 
The spot on the surface directly above where the earthquake occurred is called the what? 
 B. focus 
Question 4 of 25 
Which type of waves are compressional in nature? 
B....
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CWB 2 Module 19 Questions and Answers
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CWB 2 Module 19 Questions and Answers 
The upper limit of human hearing is approximately: 
A) 20Hz 
B) 20kHz 
C) 20MHZ - ️️ B) 20kHz 
A typical frequency used for ultrasonic testing of welds is: 
A) 2.25MHZ 
B) 2.25kHz 
C) 2.25Hz - ️️ A) 2.25MHZ 
Do transverse (shear) waves in a solid travel faster or slower than longitudinal 
(Compressional) waves? - ️️ Slower 
True or False? 
The energy carried by a wave is proportional to the square of the amplitude. - ️️ True 
The decrease in...
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ASNT Level 1 UT Question and answers 2024/2025 verified to pass
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ASNT Level 1 UT Question and answers 2024/2025 verified to passthe back-surface reflection. - correct answer 1. The indication on the instrument display that represents the far boundary of material being tested is called: 
 
angulation. - correct answer 2. In immersion testing, the position of the transducer is often varied by a manipulator to transmit sound into the test part at various angles to the front surface. Such a procedure is referred to as: 
 
coaxial cable - correct answer 3. The tec...
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NDI UT Level 2 ASNT Test Questions and Answers with complete solution
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the interference field near the face of a transducer is often referred to as the _____ - Answer-Fresnel 
zone 
in a test where the transducer is not perpendicular to the inspection surface, the angle of incidence 
is equal to _________ - Answer-Angle of Reflection 
a separate time base line imposed on the viewing screen of some ultrasonic testing instruments that 
permits measurement of distances is often referred to as ________ - Answer-A Marker 
the phenomenon whereby an ultrasonic wave change...
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PHYSICAL SCIENCE EXAM QUESTIONS WITH COMPLETE SOLUTIONS ANSWERED CORRECTLY GRADED A+
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PHYSICAL SCIENCE EXAM QUESTIONS WITH COMPLETE SOLUTIONS ANSWERED CORRECTLY GRADED A+ 
 
compressional 
waves in which the partial of the medium move only in the same direction as the motion of the wave are ______ waves. 
transverse and compressional waves 
water waves are______ 
transverse and compressional 
seismic waves are________ waves 
amplitude 
The energy a wave carries is measured by its___ 
is halved 
for a given wave, if the frequency doubles the wavelength____ 
increases 
when light i...
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ASNT Level III Ch. 4 Ultrasonic Testing Question and answers 100% correct 2024/2025
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ASNT Level III Ch. 4 Ultrasonic Testing Question and answers 100% correct 2024/2025 
Ultrasonic waves propagate through test materials in the form of: - correct answer mechanical vibrations 
 
When an ultrasonic beam passes through the interface of two dissimilar materials at an angle, a new angle of sound travel takes place in a the second material due to : - correct answer refraction 
 
The gradual loss of energy as ultrasonic vibrations travel through material is referred to as: - correc...
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ASNT LEVEL 1 UT QUESTIONS WITH CORRECT ANSWERS|100% verified
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ASNT LEVEL 1 UT QUESTIONS WITH CORRECT ANSWERS 
the back-surface reflection. CORRECT ANSWER 1. The indication on the instrument display that represents the far boundary of material being tested is called: 
 
angulation. CORRECT ANSWER 2. In immersion testing, the position of the transducer is often varied by a manipulator to transmit sound into the test part at various angles to the front surface. Such a procedure is referred to as: 
 
coaxial cable CORRECT ANSWER 3. The technical name for the c...
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Earthquakes and Earths Interior UPDATED Exam Questions and CORRECT Answers
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Earthquakes and Earths Interior 
UPDATED Exam Questions and 
CORRECT Answers 
Describe "S" waves in detail including what the "s" means. - Correct Answer- Secondary 
waves travel along Earths outer layer move at right angles to direction they travel. Travel 
only through solids. Slower than P waves 
Describe "P" waves in detail including what the "p" means. - Correct Answer- Primary waves 
push-pull compressional waves move in direction waves travel. Travel through solids, liquids 
...
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ASNT LEVEL 2 Questions With 100% Correct Answers.
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back surface reflection - Answer-The indication on the instrument display that represents the 
far boundary of the material being tested is called: 
ation - Answer-In immersion testing, the position of the transducer is often varied to transmit 
sound into the test part at various angles to the front surface. Such a procedure is referred to as: 
al cable - Answer-The cable that connects the ultrasonic instrument to the transducer is 
specially designed so that one conductor is centered inside a...
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