MCQOPTIONS
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MCQOPTIONS
This section includes 19 Mcqs, each offering curated multiple-choice questions to sharpen your Energy Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is major disadvantage of wave energy? |
| A. | It is not efficient enough |
| B. | It is available only in ocean |
| C. | The harnessing cost is more |
| D. | Unstable during high wind pressures |
| Answer» C. The harnessing cost is more | |
| 2. |
What type of energy is wave energy? |
| A. | Non – conventional |
| B. | Commercial |
| C. | Non – renewable |
| D. | Exhaustible |
| Answer» B. Commercial | |
| 3. |
A _______ attached to the float moves up and down inside a cylinder. |
| A. | chain |
| B. | barrel |
| C. | piston |
| D. | load |
| Answer» D. load | |
| 4. |
From what material is the float (platform) made of _____________ |
| A. | Molded plastic |
| B. | Thermocole |
| C. | Stainless steel |
| D. | Tubes |
| Answer» B. Thermocole | |
| 5. |
A_________ATTACHED_TO_THE_FLOAT_MOVES_UP_AND_DOWN_INSIDE_A_CYLINDER??$ |
| A. | chain |
| B. | barrel |
| C. | piston |
| D. | load |
| Answer» D. load | |
| 6. |
What is major disadvantage of wave energy?$ |
| A. | It is not efficient enough |
| B. | It is available only in ocean |
| C. | The harnessing cost is more |
| D. | Unstable during high wind pressures |
| Answer» C. The harnessing cost is more | |
| 7. |
What_type_of_energy_is_wave_energy?$ |
| A. | Non – conventional |
| B. | Commercial |
| C. | Non – renewable |
| D. | Exhaustible |
| Answer» B. Commercial | |
| 8. |
In which wave machine instead of compressing air, the water itself is pressurized? |
| A. | High level reservoir wave machine |
| B. | Dolphin type wave generator |
| C. | Hydraulic accumulator |
| D. | Float wave power conversion device |
| Answer» D. Float wave power conversion device | |
| 9. |
Which device uses the float which has two motions? |
| A. | High level reservoir wave machine |
| B. | Dolphin type wave generator |
| C. | Hydraulic accumulator |
| D. | Float wave power conversion device |
| Answer» C. Hydraulic accumulator | |
| 10. |
How many number of manifolds are part of a platform of floating device? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 4 |
| Answer» E. | |
| 11. |
Motion of water in a wave is primarily ________ |
| A. | Vertical |
| B. | Horizontal |
| C. | Linear |
| D. | Opposite |
| Answer» B. Horizontal | |
| 12. |
From what material is the float (platform) made of ____________? |
| A. | Molded plastic |
| B. | Thermocole |
| C. | Stainless steel |
| D. | Tubes |
| Answer» B. Thermocole | |
| 13. |
What are used to reduce to reduce the motion of floats? |
| A. | Back pressure |
| B. | Tubes |
| C. | Damping fins |
| D. | Anchor |
| Answer» D. Anchor | |
| 14. |
Select the correct formula of kinetic energy of a wave? |
| A. | KE/A = 1/4ρa2 × g/gc |
| B. | KE = 1/4ρa2 × g/gc |
| C. | KE = 1/4ρa2 |
| D. | KE/A = 1/4ρa2 |
| Answer» B. KE = 1/4‚âà√¨‚àö√ña2 ‚Äö√†√∂‚àö‚â• g/gc | |
| 15. |
Select the correct formula of potential energy in wave energy? |
| A. | PE/A = 1/4ρa2 × g/gc |
| B. | PE = 1/4ρa2 × g/gc |
| C. | A/PE = 1/4ρa2 × g/gc |
| D. | PE/A = 1/4ρa2 × g |
| Answer» B. PE = 1/4‚âà√¨‚àö√ña2 ‚Äö√†√∂‚àö‚â• g/gc | |
| 16. |
Waves are caused indirectly by ______ |
| A. | Wind energy |
| B. | Solar energy |
| C. | Geo-thermal energy |
| D. | Wave energy |
| Answer» C. Geo-thermal energy | |
| 17. |
What does oscillatory motion at ocean produce? |
| A. | Microseisms |
| B. | Froth |
| C. | Disturbance of currents |
| D. | Currents |
| Answer» B. Froth | |
| 18. |
How is height of wave determined? |
| A. | By wind speed |
| B. | By force of wave |
| C. | By a immersion scale |
| D. | By a floating device |
| Answer» B. By force of wave | |
| 19. |
Kinetic energy that results from the oscillation of water is called ________ |
| A. | Wave energy |
| B. | Tidal energy |
| C. | Ocean thermal energy |
| D. | Hydro energy |
| Answer» B. Tidal energy | |