3.19
- 101. What are nodal points in vibration?
- 102. What are typical tools used for modal testing?
- 103. What is experimental modal analysis?
- 104. What is mode participation factor?
- 105. What is modal damping?
- 106. What is modal frequency?
- 107. What is mode superposition?
- 108. What are natural modes of vibration?
- 109. Why is modal analysis important?
- 110. What is modal analysis?
- 111. What is eigenvalue in vibration analysis?
- 112. What is orthogonality of mode shapes?
- 113. Define modal coordinates.
- 114. Define mode shapes.
- 115. What is mass matrix?
- 116. What is stiffness matrix?
- 117. What is coupling in vibration systems?
- 118. What is the difference between SDOF and MDOF systems?
- 119. What are examples of MDOF systems?
- 120. What is a multi-degree-of-freedom system?
- 121. What is bandwidth in frequency response?
- 122. What is quality factor (Q)?
- 123. What is frequency ratio?
- 124. What is phase angle at resonance?
- 125. What is harmonic excitation?
- 126. What are methods to control resonance?
- 127. What are the effects of resonance in machinery?
- 128. What happens to amplitude at resonance?
- 129. What is the condition for resonance?
- 130. Define resonance.
- 131. What are methods of vibration isolation?
- 132. What is vibration isolation?
- 133. What is transmissibility ratio?
- 134. What is magnification factor?
- 135. What is resonance in forced vibration?
- 136. What is frequency response?
- 137. What is transient vibration?
- 138. What is steady-state vibration?
- 139. What is the equation of motion for forced vibrations?
- 140. What are forced vibrations?
- 141. What is overdamping and underdamping?
- 142. What is damping coefficient?
- 143. How does damping affect resonance?
- 144. What is energy dissipation?
- 145. What is equivalent viscous damping?
- 146. What is structural damping?
- 147. What is coulomb damping?
- 148. What is viscous damping?
- 149. What are causes of damping?
- 150. What is damping?
- 151. What are three types of damping?
- 152. Define damping ratio.
- 153. What is critical damping?
- 154. What is logarithmic decrement?
- 155. What is the natural frequency of a spring–mass system?
- 156. What is the natural frequency of an undamped SDOF system?
- 157. What are assumptions made in SDOF analysis?
- 158. Derive the equation of motion for a SDOF system.
- 159. Give examples of SDOF systems.
- 160. What is a single-degree-of-freedom system?
- 161. How does mass affect natural frequency?
- 162. How does stiffness affect natural frequency?
- 163. What are natural frequencies?
- 164. What are natural vibrations?
- 165. What is phase lag?
- 166. What is the velocity and acceleration equation for SHM?
- 167. What is the energy balance in SHM?
- 168. What are examples of SHM in mechanical systems?
- 169. What is the differential equation of SHM?
- 170. What is simple harmonic motion?
- 171. What are coupled vibrations?
- 172. What is self-excited vibration?
- 173. What is random vibration?
- 174. What are torsional vibrations?
- 175. What are transverse vibrations?
- 176. What are longitudinal vibrations?
- 177. What are undamped vibrations?
- 178. What are damped vibrations?
- 179. What are forced vibrations?
- 180. What are free vibrations?
- 181. What is vibration energy?
- 182. Define acceleration in vibration.
- 183. Define velocity in vibration.
- 184. Define displacement.
- 185. What is phase difference?
- 186. Define phase angle.
- 187. What is angular frequency?
- 188. Define period of vibration.
- 189. Define frequency.
- 190. Define amplitude.
- 191. What are the practical examples of vibrations?
- 192. Define oscillatory motion.
- 193. What is harmonic motion?
- 194. What is undamped vibration?
- 195. What is damped vibration?
- 196. Define forced vibration.
- 197. Define free vibration.
- 198. What are the different types of vibrations?
- 199. What causes mechanical vibrations?
- 200. What is vibration?