Damping coefficient - Study guides, Class notes & Summaries

Current - ANSWER-Rate of flow of charge Coulomb - ANSWER-The amount of charge passing a point when a current of 1A flows for 1s Potential difference - ANSWER-The work done per unit charge in moving a small point positive charge between two points Threshold Voltage for a Diode - ANSWER-The voltage at which a current will begin to flow at, assumed to be +0.6V if not stated Reverse Bias - ANSWER-When very little currency can flow in the reverse direction of a diode Variable Resistor - ANSW...

ARDMS SPI EXAM STUDY GUIDE 180 Questions with Verified Answers In soft tissue, if the frequency of a wave is increased the Propagation Speed (PS) will... - CORRECT ANSWER Remain the Same because stiffness and density affect Propagation Speed. What is the audible range? - CORRECT ANSWER 20-20,000Hz >20,000Hz=Ultrasound Frequency is measured in - CORRECT ANSWER Hertz (Hz) is Cycles per Second Not affected by sonographer Increase Frequency; Decrease Depth A period is t...

Which of the following is defined as only the active time? - Answer- Pulse duration The inertia of the medium describes its: - Answer- Density Which of the following is determined by the sound source only? - Answer- Frequency The prefix "centi" denotes: - Answer- Hundredths 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? - Answer- >40° The c...

ASE 367K Final Exam 30 Questions with Verified Answers Shifting CG forward will decrease the magnitude of required control forces. - CORRECT ANSWER False - Larger moment arm form center of pressure Newtons laws of motion are only valid where expressed in an internal frame. - CORRECT ANSWER True- only way to account for all accelerations The aerodynamic center is the point on the mean aerodynamic chord about which the longitudinal aerodynamic axis is zero. - CORRECT ANSWER False For a...

Current - ANSWERSRate of flow of charge Coulomb - ANSWERSThe amount of charge passing a point when a current of 1A flows for 1s Potential difference - ANSWERSThe work done per unit charge in moving a small point positive charge between two points Threshold Voltage for a Diode - ANSWERSThe voltage at which a current will begin to flow at, assumed to be +0.6V if not stated Reverse Bias - ANSWERSWhen very little currency can flow in the reverse direction of a diode Variable Resistor ...

Current - ANSWERSRate of flow of charge Coulomb - ANSWERSThe amount of charge passing a point when a current of 1A flows for 1s Potential difference - ANSWERSThe work done per unit charge in moving a small point positive charge between two points Threshold Voltage for a Diode - ANSWERSThe voltage at which a current will begin to flow at, assumed to be +0.6V if not stated Reverse Bias - ANSWERSWhen very little currency can flow in the reverse direction of a diode Variable Resistor ...

Medical Physics ALL MCQs; 1st year QUESTION AND CORRECT ANSWER 1. Sound amplification in the outer ear (auditory canal)is affected by: a. Sound speed b. Sound pressure c. Sound amplitude - CORRECT ANSWER-b. Sound pressure 2. Prolonged exposure to loud noise can cause permanent damage to: a. The air conductivity (of the ear) b. The structure of the eardrum (tympanic membrane) c. Inner ear - CORRECT ANSWER-c. Inner ear 3. The loss of elasticity (stiffening) of the tympanic membrane will ...

Absolute Accuracy - ANSWER-The ability to determine present position in space independently, and is most often used by pilots. Absolute Altitude - ANSWER-The actual distance between an aircraft and the terrain over which it is flying. Absolute Pressure - ANSWER-Pressure measured from the reference of zero pressure, or a vacuum. Acceleration error - ANSWER-A magnetic compass error apparent when the aircraft accelerates while flying on an easterly or westerly heading, causing the compass ...

Exam (elaborations) TEST BANK FOR Advanced Engineering Mathematics [Volume 1] By Herbert Kreyszig and Erwin Kreyszig (Student Solutions Manual and Study Guide) P A R T A Ordinary Differential Equations (ODEs) Chap. 1 First-Order ODEs Sec. 1.1 Basic Concepts. Modeling To get a good start into this chapter and this section, quickly review your basic calculus. Take a look at the front matter of the textbook and see a review of the main differentiation and integration formulas. Also, Appen...

SPI Practice Test QUESTIONS AND ANSWERS Which of the following do the source and the medium determine? a. duty factor b. frequency c. propagation speed d. axial resolution - answersd. Axial resolution is affected by all of the following EXCEPT a. frequency b. damping c. spatial pulse length d. focusing - answersd. Damping in a transducer a. reduces the number of cycles in a pulse and increases the quality factor b. increases the number of cycles in a pulse and increases penetration...