Exam (elaborations)
DMS 100 FINAL EXAM QUESTIONS WITH CORRECT SOLUTIONS
- Course
- Institution
DMS 100 FINAL EXAM QUESTIONS WITH CORRECT SOLUTIONS
[Show more]
Content preview
DMS 100 FINAL EXAM QUESTIONSWITH CORRECT SOLUTIONS
Sound eewaves eesent eeout eeof eea ee- eeAnswer eeTransducer
Infrasound eeis eesound eewith eea eefrequency eeof ee- eeAnswer ee< ee20 eeHertz
Audible eesound eeis eesound eewith eea eefrequency eeof ee- eeAnswer ee20-20,000 eeHertz
Ultrasound eeis eesound eewith eea eefrequency eeof ee- eeAnswer ee> ee20,000 eeHertz
Ultrasound eefrequencies eeused eefor eeDMS eeclasses ee- eeAnswer ee1-15 eeMHz eerange
One eecycle eeper eesecond ee- eeAnswer eeHertz ee(Hz)
Oscillation eeor eevibration ee- eeAnswer eeCycle
Kilohertz ee= ee__________ eeHz ee- eeAnswer ee1000
Megahertz ee= ee___________ eeHz ee- eeAnswer ee1,000,000
Distance eetraveled eeby eeone eecycle ee- eeAnswer eeWavelength
Higher eefrequencies eehave ee__________ eewavelengths eeand eeare eeattenuated
ee_____________ ee- eeAnswer eesmaller, eeeasier
Lower eefrequencies eehave ee___________ eewavelengths eeand eeare eeare eeattenuated
ee____________ ee- eeAnswer eelonger, eeless eeeasy
The eereduction eeis eethe eeamplitude eeand eeintensity eeof eea eesound eewave eeas eeit
eepropagates eethrough eea eemedium ee- eeAnswer eeAttenuation
What eecauses eeattenuation ee- eeAnswer eeAbsorption, eescattering, eeand eereflection
Sound eewaves eetravel eethrough eematter eeby eecausing ee_____________ ee- eeAnswer
eevibrations eealong eethe eepath
Another eename eefor eetraveling eethrough eematter ee- eeAnswer eepropagate
High eepart eeof eea eewave ee- eeAnswer eecompressions eeor eecondensations
Lower eepart eeof eea eewave ee- eeAnswer eeRarefactions
, The eestiffness, eeelasticity, eeand eedensity eeof eethe eematerial eedetermine eethe ee-
eeAnswer eePropagation eespeed
The eemajor eecomponent eeof eean eeUltrasound eetransducer eeis eethe
ee__________________ ee- eeAnswer eePiezoelectric eeelement ee(PZT eecrystal)
The eeproperty eeexhibited eeby eethe eecrystals eein eethe eeUS eetransducer eethat
eetransform eeelectrical eeenergy eeinto eesound eeand eesound eeback eeto eeelectrical
eeenergy ee- eeAnswer eePiezoelectric eeEffect
Special eematerial eethat eehas eethe eeability eeto eeconvert eeelectrical eeimpulses eeinto
eesound eewaves ee- eeAnswer eeCrystal
Modern eecrystals eemade eefrom ee- eeAnswer eeCeramic
Original eecrystals eemade eefrom ee- eeAnswer eeQuartz
Any eedevice eethat eeconverts eesignals eefrom eeone eeform eeto eeanother ee- eeAnswer
eeTransducer
Continuous eewave eetransducer eehas ee__________ eecrystals ee
What eedo eethey eedo? ee- eeAnswer ee2, ee1 eefor eesending eeand ee1 eefor eereceiving
Pulsed eewave eetransducer eehas ee____________ eecrystals ee
What eedo eethey eedo? ee- eeAnswer ee1, eeboth eesending eeand eereceiving
Transducers eeemit eea eerange eeof eefrequencies eecalled eethe ee_____________ ee-
eeAnswer eeband eewidth
The eehigher eethe eefrequency, eethe ee__________ eethe eeresolution eeor eedetail ee-
eeAnswer eebetter
The eelower eethe eefrequency, eethe ee___________ eethe eepenetration ee- eeAnswer
eedeeper
the eeability eeto eedistinguish eebetween ee2 eeadjacent eestructures ee- eeAnswer
eeResolution
Small eetransducer eeelements eeelectronically eecoordinated eeto eeproduce eea
eerectangular eeimage ee- eeAnswer eeLinear eearray
Curved eescanning eehead eeand eeelectronic eefocusing ee- eeAnswer eeCurved eearray
Small eetransducer eehead eethat eeproduced eea eepie-shaped eeimage ee- eeAnswer
eeSector
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller LucieLucky. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
82977 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now