Mechanical Engineering
- 301. What are nodal points in vibration?
- 302. What are typical tools used for modal testing?
- 303. What is experimental modal analysis?
- 304. What is mode participation factor?
- 305. What is modal damping?
- 306. What is modal frequency?
- 307. What is mode superposition?
- 308. What are natural modes of vibration?
- 309. Why is modal analysis important?
- 310. What is modal analysis?
- 311. What is eigenvalue in vibration analysis?
- 312. What is orthogonality of mode shapes?
- 313. Define modal coordinates.
- 314. Define mode shapes.
- 315. What is mass matrix?
- 316. What is stiffness matrix?
- 317. What is coupling in vibration systems?
- 318. What is the difference between SDOF and MDOF systems?
- 319. What are examples of MDOF systems?
- 320. What is a multi-degree-of-freedom system?
- 321. What is bandwidth in frequency response?
- 322. What is quality factor (Q)?
- 323. What is frequency ratio?
- 324. What is phase angle at resonance?
- 325. What is harmonic excitation?
- 326. What are methods to control resonance?
- 327. What are the effects of resonance in machinery?
- 328. What happens to amplitude at resonance?
- 329. What is the condition for resonance?
- 330. Define resonance.
- 331. What are methods of vibration isolation?
- 332. What is vibration isolation?
- 333. What is transmissibility ratio?
- 334. What is magnification factor?
- 335. What is resonance in forced vibration?
- 336. What is frequency response?
- 337. What is transient vibration?
- 338. What is steady-state vibration?
- 339. What is the equation of motion for forced vibrations?
- 340. What are forced vibrations?
- 341. What is overdamping and underdamping?
- 342. What is damping coefficient?
- 343. How does damping affect resonance?
- 344. What is energy dissipation?
- 345. What is equivalent viscous damping?
- 346. What is structural damping?
- 347. What is coulomb damping?
- 348. What is viscous damping?
- 349. What are causes of damping?
- 350. What is damping?
- 351. What are three types of damping?
- 352. Define damping ratio.
- 353. What is critical damping?
- 354. What is logarithmic decrement?
- 355. What is the natural frequency of a spring–mass system?
- 356. What is the natural frequency of an undamped SDOF system?
- 357. What are assumptions made in SDOF analysis?
- 358. Derive the equation of motion for a SDOF system.
- 359. Give examples of SDOF systems.
- 360. What is a single-degree-of-freedom system?
- 361. How does mass affect natural frequency?
- 362. How does stiffness affect natural frequency?
- 363. What are natural frequencies?
- 364. What are natural vibrations?
- 365. What is phase lag?
- 366. What is the velocity and acceleration equation for SHM?
- 367. What is the energy balance in SHM?
- 368. What are examples of SHM in mechanical systems?
- 369. What is the differential equation of SHM?
- 370. What is simple harmonic motion?
- 371. What are coupled vibrations?
- 372. What is self-excited vibration?
- 373. What is random vibration?
- 374. What are torsional vibrations?
- 375. What are transverse vibrations?
- 376. What are longitudinal vibrations?
- 377. What are undamped vibrations?
- 378. What are damped vibrations?
- 379. What are forced vibrations?
- 380. What are free vibrations?
- 381. What is vibration energy?
- 382. Define acceleration in vibration.
- 383. Define velocity in vibration.
- 384. Define displacement.
- 385. What is phase difference?
- 386. Define phase angle.
- 387. What is angular frequency?
- 388. Define period of vibration.
- 389. Define frequency.
- 390. Define amplitude.
- 391. What are the practical examples of vibrations?
- 392. Define oscillatory motion.
- 393. What is harmonic motion?
- 394. What is undamped vibration?
- 395. What is damped vibration?
- 396. Define forced vibration.
- 397. Define free vibration.
- 398. What are the different types of vibrations?
- 399. What causes mechanical vibrations?
- 400. What is vibration?