MCQOPTIONS
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MCQOPTIONS
This section includes 5 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. |
In case of submerged orifice the discharge is substantially dependent on temperature of fluid |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
The discharge rate is independent of the height difference and dependent only on the height. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
The time taken to empty the tank is independent of Cd but depends only on the height and acceleration due to gravity. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
A rectangular orifice of 2 m width and 1.2 m deep is fitted in one side of large tank. The easier level on one side of the orifice is 3m above the top edge of the orifice while on the other side of the orifice the water level is 0.5 m below it s top edge. Calculate discharge if Cd = .64 |
| A. | 4.95 m<sup>3</sup>/s |
| B. | 5.67 m<sup>3</sup>/s |
| C. | 3.56 m<sup>3</sup>/s |
| D. | 6.75 m<sup>3</sup>/s |
| Answer» B. 5.67 m<sup>3</sup>/s | |
| 5. |
When is orifice called large orifice ? |
| A. | If the head of liquid is less than 5 times the depth of orifice |
| B. | If the head of liquid is less than 2.5 times the depth of orifice |
| C. | If the head of liquid is less Hence, 4 times the depth of orifice |
| D. | If the head of liquid is less than 1.5 times the depth of orifice |
| Answer» B. If the head of liquid is less than 2.5 times the depth of orifice | |