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SPI Board Practice questions with complete solutions.
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SPI Board Practice questions with completesolutions
Which nnof nnthe nnfollowing nnis nndescribed nnas nnthe nnability nnof nnan nnobject nnto nnresist nncompression nnand
nnrelates nnto nnthe nnhardness nnof nnthe nnmedium? nn
a. nnStiffness
b. nnDensity
c. nnPressure
d. nnInertia nn- nncorrect nnanswer-a. nnStiffness
An nnincrease nnin nnpulse nnrepetition nnfrequency nnwould nnlead nnto:
a. nnan nnincrease nnin nnDF
b. nnan nnincrease nnin nnpulse nnduration
c. nnan nnincrease nnin nnthe nnnumber nnof nncycles
d. nna nndecrease nnin nnresolution nn- nncorrect nnanswer-a. nnan nnincrease nnin nnDF
? nnis nnthis nnb/c nnPRP nnand nnPRF nnare nnreciprocals nnso nnif nnyou nnincrease nnPRF nnyou nndecrease nnPRP nnwhich
nnhas nnan nninverse nnrelationship nnto nnDF?
Which nnof nnthe nnfollowing nnwould nnhave nnthe nnhighest nnpropagation nnspeed?
a. nnAir
b. nnBone
c. nnSoft nntissue
d. nnWater nn- nncorrect nnanswer-b. nnBone
Which nnof nnthe nnfollowing nnwould nnbe nnthe nnlowest nnpropagation nnspeed?
a. nnWater
b. nnsoft nntissue
c. nnBone
,d. nnLung nnTissue nn- nncorrect nnanswer-D. nnLung nnTissue nn(Air)
As nnimaging nndepth nnincreases, nnthe nnpulse nnrepetition nnfrequency nnmust:
a. nnnot nnchange
b. nnincrease nn
c. nndecrease
d. nnpulse nnrepetition nnfrequency nndoe nnnot nnrelate nnto nnimaging nndepth nn- nncorrect nnanswer-C. nndecrease
Which nnof nnthe nnfollowing nndescribes nnthe nnamount nnof nnrefraction nnthat nnoccurs nnat nnthe nninterface?
a. nnBernoulli's nnLaw
b. nnPosieuille's nnlaw
c. nnLaw nnof nnreflection
d. nnSnells nnLaw nn- nncorrect nnanswer-d. nnSnells nnlaw
Pressure nnis nntypically nnexpressed nnin nn:
a. nnFrequency
b. nnPascals
c. nnDecibels
d. nnKilograms nnper nncentimeter nncubed nn- nncorrect nnanswer-B. nnPascals
The nntypical nnrange nnof nnfrequency nnfor nndiagnostic nnultrasound nnimaging nnis:
a. nn20 nnto nn20,0000 nnHZ
b. nn1 nnto nn20 nnMHZ
c. nn10 nnto nn20 nnMHZ
d. nn12 nnto nn100 nnMHZ nn- nncorrect nnanswer-B. nn1 nnto nn20 nnMHZ
actual nn2-12MHZ
The nnattenuation nncoefficient nnin nnsoft nntissue nnis nnequal nnto nn:.
, a. nnone nnhalf nnof nnthe nnoperating nnfrequency
b. nndouble nnthe nnoperating nnfrequency
c. nnFrequency nntimes nnpath nnlength
d. nnthe nntotal nndecibels nn- nncorrect nnanswer-a. nnone nnhalf nnthe nnoperating nnfrequency
Micro nndenotes:
a. nnMillionth
b. nnHundreth
c. nnMillion
d. nnBillionth nn- nncorrect nnanswer-a. nnmillionth
Which nnof nnthe nnfollowing nnis nndescribed nnas nnthe nndistance nnover nnwhich nnone nncycle nnoccurs?
a. nnPulse nnDuration
b. nnDuty nnFactor
c. nnPeriod
d. nnWavelength nn- nncorrect nnanswer-d. nnwavelength
All nnof nnthe nnfollowing nnare nntrue nnabout nnstiffness nnexcept;
a. nnit nnis nndefined nnas nnthe nnability nnof nnan nnobject nnto nnresist nncompression
b. nnstiffness nnand nnpropagation nnspeed nnare nnindirectly nnassociated
c. nnincreasing nnstiffness nnincreases nnpropagation nnspeed
d. nnstiffness nnmay nnalso nnbe nnreferred nnto nnas nnelasticity nn- nncorrect nnanswer-b nn- nnstiffness nnand
nnpropagation nnspeed nnare nnindirectly nnassociated. nn
they nnare nndirectly nnassociated nn.you nnincrease nnstiffness nnand nnyour nnprop nnspeed nnincreases
Areas nnof nnhigh nnpressure nnand nndensity nnare nnreferred nnto nnas nn:
a. nnCompressions
b. nnRarefractions
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