MCQOPTIONS
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MCQOPTIONS
This section includes 13 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. |
Isentropic efficiency is defined as ________ |
| A. | The power output of actual turbine/ power output if the turbine were isentropic |
| B. | The power input of actual turbine/ power output if the turbine were isentropic |
| C. | The power output of actual turbine/ power output if the turbine were adiabatic |
| D. | The power output of actual turbine/ power output if the turbine were polytropic |
| Answer» B. The power input of actual turbine/ power output if the turbine were isentropic | |
| 2. |
The performance of a flow device is expressed in terms of _________ |
| A. | Adiabatic efficiency |
| B. | Isentropic efficiency |
| C. | Thermal efficiency |
| D. | Mechanical efficiency |
| Answer» C. Thermal efficiency | |
| 3. |
All the energy relations satisfy the mathematical condition in thermodynamics. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
ISENTROPIC_EFFICIENCY_IS_DEFINED_AS_________?$ |
| A. | The power output of actual turbine/ power output if the turbine were isentropic |
| B. | The power input of actual turbine/ power output if the turbine were isentropic |
| C. | The power output of actual turbine/ power output if the turbine were adiabatic |
| D. | The power output of actual turbine/ power output if the turbine were polytropic |
| Answer» B. The power input of actual turbine/ power output if the turbine were isentropic | |
| 5. |
THE_PERFORMANCE_OF_A_FLOW_DEVICE_IS_EXPRESSED_IN_TERMS_OF__________?$ |
| A. | Adiabatic efficiency |
| B. | Isentropic efficiency |
| C. | Thermal efficiency |
| D. | Mechanical efficiency |
| Answer» C. Thermal efficiency | |
| 6. |
All the energy relations satisfy the mathematical condition in thermodynamics? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
Which among the following is the formula for Gibbs free energy? |
| A. | H-T∆S |
| B. | H-T |
| C. | T∆S |
| D. | H-S |
| Answer» B. H-T | |
| 8. |
What is the unit of Gibbs free energy? |
| A. | Kelvin |
| B. | Joule |
| C. | Kilowatt |
| D. | Newton |
| Answer» C. Kilowatt | |
| 9. |
Gibbs free energy is also known as______ |
| A. | Free energy |
| B. | Free entropy |
| C. | Free enthalpy |
| D. | Free motion |
| Answer» D. Free motion | |
| 10. |
What is the symbol for Gibbs free energy? |
| A. | A |
| B. | H |
| C. | G |
| D. | E |
| Answer» D. E | |
| 11. |
What is the unit of Helmholtz free energy? |
| A. | Kelvin |
| B. | Joule |
| C. | Kilowatt |
| D. | Newton |
| Answer» C. Kilowatt | |
| 12. |
Which among the following is the formula for Helmholtz free energy? |
| A. | U+TS |
| B. | U+TV |
| C. | U-TS |
| D. | UTV |
| Answer» D. UTV | |
| 13. |
The symbol of Helmholtz free energy is_________ |
| A. | A |
| B. | H |
| C. | B |
| D. | E |
| Answer» B. H | |