MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Hydraulic Machines knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Draft tube allows turbine to be placed above the tail race. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Height of the draft tube is denoted by _____ |
| A. | H |
| B. | h |
| C. | z |
| D. | x |
| Answer» D. x | |
| 3. |
DRAFT_TUBE_ALLOWS_TURBINE_TO_BE_PLACED_ABOVE_THE_TAIL_RACE.?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Height of the draft tube is denoted by ____? |
| A. | H |
| B. | h |
| C. | z |
| D. | x |
| Answer» D. x | |
| 5. |
Which equation is applied to determine the flow? |
| A. | Newtons equation |
| B. | Rutherford’s equation |
| C. | Bernoulli’s equation |
| D. | Faradays equation |
| Answer» D. Faradays equation | |
| 6. |
The draft tube is situated in the _______ |
| A. | Inlet |
| B. | Outlet |
| C. | Tank |
| D. | Nozzle |
| Answer» C. Tank | |
| 7. |
Which among the following is an important parameter to avoid cavitation? |
| A. | Tail race length |
| B. | Head race length |
| C. | Height of draft tube |
| D. | Pump |
| Answer» D. Pump | |
| 8. |
Cavitation in a draft tube occurs when _______ |
| A. | Temperature difference |
| B. | Pressure drop |
| C. | Kinetic energy difference |
| D. | Density of flow |
| Answer» C. Kinetic energy difference | |
| 9. |
Efficiency of a draft tube gives __________ |
| A. | Temperature difference |
| B. | Pressure difference |
| C. | Kinetic energy difference |
| D. | Density of flow |
| Answer» D. Density of flow | |
| 10. |
The draft tube at the exit of the nozzle increases the _______ |
| A. | Temperature |
| B. | Pressure |
| C. | Volume of the flow |
| D. | Density of flow |
| Answer» C. Volume of the flow | |
| 11. |
Draft tubes are not used in which of the following turbines? |
| A. | Francis |
| B. | Reaction |
| C. | Kaplan |
| D. | Pelton |
| Answer» E. | |
| 12. |
The efficiency of the draft tube is ratio of ________ |
| A. | Pressure energy by kinetic energy |
| B. | Kinetic energy by Pressure energy |
| C. | Kinetic energy into mechanical energy |
| D. | Pressure into mechanical |
| Answer» C. Kinetic energy into mechanical energy | |