ARDMS SPI Exam Review TEST 3

August 16, 2017 By Rana Waqar Leave a Comment

1. Density and propagation speed are:
- a. Inversely related
- b. Directly related
- c. Directly proportional
- d. Unrelated
2. All of the following are true of power except:
- a. As amplitude increases, power remains the same
- b. Power is proportional to amplitude squared
- c. Intensity is proportional to power
- d. Power is measured in milliwatts
3. All of the following are true of wavelength except:
- a. It is determined by both the medium and the sound source
- b. It is equal to the period divided by the frequency
- c. It is inversely related to frequency
- d. It is directly related to period
4. Which of the following is determined by the sound source and medium?
- a. Propagation speed
- b. Frequency
- c. Period
- d. Wavelength
5. Which of the following is defined as the number of ultrasound pulses emitted in 1 second?
- a. Pulse repetition period
- b. Duty factor
- c. Pulse repetition frequency
- d. Spatial pulse length
6. Which of the following is defined as only the active time?
- a. Duty factor
- b. Pulse repetition frequency
- c. Period
- d. Pulse duration
7. The inertia of the medium describes its:
- a. Attenuation characteristics
- b. Stiffness
- c. Density
- d. Elasticity
8. Which of the following is determined by the sound source only?
- a. Frequency
- b. Wavelength
- c. Spatial pulse length
- d. Propagation speed
9. The prefix “centi” denotes:
- a. Thousandths
- b. Hundredths
- c. Millions
- d. Hundreds
10. If the angle of incidence is 40, what is the angle of transmission at the interface if medium 1 has a propagation speed of 1320 m/s and medium 2 has a propagation speed of 1700 m/s?
- a. 40
- b. greater than 40 degree
- c. less than 40
- d. Cannot tell the angle of transmission

Δ

For More questions please join Our facebook group:
https://www.facebook.com/groups/249298882082586/?ref=br_rs

Reader Interactions

Primary Sidebar

Search

Search the site ...

Reader Interactions

Leave a Reply Cancel reply