Frequency range 0 0 mhz - Study guides, Class notes & Summaries

Corporal's Course Test 1 Questions And Answers What does the acronym OSCAR stand for? - ANS Operational Stress Control and Readiness Most frequency interference is always present in a military environment. where does man made interference come from? - ANS electrical sources effective leadership depends on the moral examples set by the leader, not only as a warfighter but as a _____ and _____. - ANS citizen and human being In combat or peacetime, leaders demonstrate _____ ____...

BNSF Telecom 1 Exam Questions with Correct Answers VHF - Low and High range Very High Frequency - Answer-Low is 30 to 50 MHz High is 150 to 300 MHz UHF - Ultra High Frequency - Answer-300 MHz - 3 GHz Super High Frequency - SHF - Answer-3-30 GHz Extremely High Frequency - EHF - Answer-30-300 GHz Legacy Band - Answer-25 kHz wide channel Very Narrowband - Answer-6.25 kHz wide, digital Narrowband - Answer-12.5 kHz wide analog What is dB and how much power is it - Answer-dB is a de...

ARDMS SPI STUDY GUIDE QUESTIONS AND ANSWERS ALREADY PASSED In soft tissue, if the frequency of a wave is increased the Propagation Speed (PS) will... Remain the Same because stiffness and density affect Propagation Speed. What is the audible range? 20-20,000Hz >20,000Hz=Ultrasound Frequency is measured in Hertz (Hz) is Cycles per Second Not affected by sonographer Increase Frequency; Decrease Depth A period is the length of time it takes for one complete wavelength to pass a fixed poin...

Edelman SPI review questions & Answers 2023. ______ is the distance covered by one cycle. a) pulse length b) wavelength c) cycle distance d) cycle duration ______ is the time to complete one cycle a) pulse duration b) pulse period c) period d) duration period ________ is a redirection of an ultrasound bean in many directions as a result of a rough boundary between two media: a) refraction b) Rayleigh Scattering c) scattering d) reflection _________ resolution is...

Progression: Maintenance Tech I - II Conventional: Exam In the tree-and-branch architecture, how is the downstream signal from the trunk fed to the distribution branches? What is a common solution when congestion from modem activity and traffic becomes unacceptable in a hybrid fiber/coax (HFC) network? What technologies are defined in DOCSIS 4.0 to help sustain the hybrid fiber/coax (HFC) network infrastructure for several more years? How can a less-experienced technician identi...

Cpls course exam 1, questions and answers 100% correct Leaders at all levels are responsible for maintaining a unit's combat readiness. The military occupational specialty, roadmap, helps leaders by providing a guide to ensure that.... Technical skills, professional knowledge, and intellectual development are met The MOS roadmaps provide Marine leaders with a career counseling tool that benefits.... The unit The Marine The Marine Corps All of the above The NCO's role as a k...

ARDMS,SPI Exam (Latest 2023/ 2024 Update) Questions and Verified Answers| 100% Correct| Grade A Q: Multiple echoes, equally spaced originating from a gas bubble is called: a. comet tail b. ring down c. slice thickness artifact d. multipath Answer: b. ring down Q: An increase in red blood cell velocity will_____ the Doppler Shift: a. increase b. decrease c. not change d. cannot be predicted Answer: a. increase Q: The primary advantage of CW Doppler is: a. ...

Sound waves are: - longitudinal, mechanical The speed of sound in soft tissue is closest to: - 1,500 m/s The frequency closest to the lower limit of ultrasound is: - 15,000 Hz Which is not an acoustic variable? - intensity The effects of soft tissue on ultrasound are called: - acoustic propagation properties All of the following are true EXCEPT: - two waves with identical frequencies must interfere constructively Put in decreasing order: deci, deca, micro, centi - deca, deci, c...

What portion of the electromagnetic spectrum do Link 16 terminals operate? [Remediation Accessed :N] - wrong: 225 - 400 MHz frequency band 175 - 255 MHz frequency band Which JTIDS/MIDS access mode allows multiple participants to share common timeslots using the same net resulting in receivers hearing the closest transmitter? - Contention access Wrong: Multi-nets Timeslot Reallocation (TSR) Mutual Tracking is a plan in which all track-producing units will ___________. - transmit their t...

SPI ARDMS PRACTICE QUESTIONS AND ANSWERS UPDATED Sound waves are: - CORRECT ANSWER-longitudinal, mechanical The speed of sound in soft tissue is closest to: - CORRECT ANSWER-1,500 m/s The frequency closest to the lower limit of ultrasound is: - CORRECT ANSWER-15,000 Hz Which is not an acoustic variable? - CORRECT ANSWER-intensity The effects of soft tissue on ultrasound are called: - CORRECT ANSWER-acoustic propagation properties All of the following are true EXCEPT: - CORRECT ANSWER...