MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Fluid Mechanics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
TRANSVERSE_WAVE_IS_ALSO_CALLED_AS_________?$ |
| A. | Shear wave |
| B. | Compression wave |
| C. | Compressed wave |
| D. | Longitudinal wave |
| Answer» B. Compression wave | |
| 2. |
Which among the following determines the geometric orientation of transverse waves?$ |
| A. | Dichroism |
| B. | Optical activity |
| C. | Polarization |
| D. | Photon spin |
| Answer» D. Photon spin | |
| 3. |
Speed of sound in an ideal gas depends on ______? |
| A. | Temperature and pressure |
| B. | Surface area and volume |
| C. | Temperature and composition |
| D. | Composition and surface area |
| Answer» D. Composition and surface area | |
| 4. |
What is the speed of sound at 20oC? |
| A. | 331.2 m/s |
| B. | 350 m/s |
| C. | 343 m/s |
| D. | 300 m/s |
| Answer» D. 300 m/s | |
| 5. |
What is the speed of sound in dry air? |
| A. | 331.2 m/s |
| B. | 300 m/s |
| C. | 250 m/s |
| D. | 230 m/s |
| Answer» B. 300 m/s | |
| 6. |
Sound perceptible by humans has frequencies from _______ |
| A. | 20 to 2000 Hz |
| B. | 20 to 20000 Hz |
| C. | 10 to 10000 Hz |
| D. | 30 to 30000 Hz |
| Answer» C. 10 to 10000 Hz | |
| 7. |
Which among the following is not generic property of sound? |
| A. | Viscosity |
| B. | Amplitude |
| C. | Direction |
| D. | Frequency |
| Answer» B. Amplitude | |
| 8. |
The sound wave is transmitted through liquids as_________ |
| A. | Longitudinal waves |
| B. | Transverse waves |
| C. | Elongated waves |
| D. | Refracted waves |
| Answer» B. Transverse waves | |
| 9. |
Speed is of sound is the _________ |
| A. | Distance travelled per unit length |
| B. | Distance travelled per unit time |
| C. | Distance travelled per unit pressure |
| D. | Distance travelled per unit temperature |
| Answer» C. Distance travelled per unit pressure | |