Registry spi Study guides, Class notes & Summaries

SPI ULTRASOUND REGISTRY REVIEW QUESTIONS AND ANSWERS GRADED A SPL wavelength x # of cycles With phased array transducers, the transmitted sound beam is steered by Varying the timing of pulses to the individual piezoelectric elements What type of wave is sound? mechanical and longitudinal The Frequency ranges for Ultrasound are: > 20,000 Hz (20kHz) The speed of sound in soft tissue is: 1540 m/s Linear sequence Array transducer that fires the elements in groups Unit for Wavelength is mill...

mm, cm, inches, feet distance, circumference *length of a circles border" Length cm squared, ft squared cm2, ft2 Area cm cubed, ft cubed cm3, ft3 Volume increase by a factor of___ means Multipy by that number decrease by a factor of ____means Divide by that number 1) shift decimal point so result number is between one and ten 2) multiply by the appropriate Power of 10 1,000,000 = 1.0 x 10(6) 0. = 1.24 x 10 (-3) 1742 = 1.742 x 10(3) Rule of Scienti...

WGU Network and SecurityFoundations-C172 Application Layer(7th layer) Ans- Interacts with application programs that incorporate a communication component such as your internet browser and email (provides user interface) Bus Topology Ans- The computers share the media (coaxial cable) for data transmission CAT6 (category 6) Ans- Twisted-pair cables capable of carrying up to 1000Mbps (1 gigabit) of data up to a length of 100 meters Crossover Ans- Transmit and receive signal pairs are cross...