Ocean Thermal Energy Conversion MCQs

1. By _____ the ocean thermal energy conversion (OTEC) is produced.

(A) Potential difference

(B) Temperature difference

(C) Energy difference

(D) Kinetic difference

2. OTEC is first produced in _____

(A) 1880

(B) 1926

(C) 1890

(D) 1930

3. In year _____ OTEC is constructed.

(A) 1920

(B) 1926

(C) 1922

(D) 1924

4. _____ is the by-product of the ocean thermal energy conversion.

(A) Hot water

(B) Gases

(C) Cold water

(D) Chemicals

5. There are ____ types of OTEC plants.

(A) 2

(B) 3

(C) 1

(D) 4

6. Fluid having ___ are used by the closed-cycle systems.

(A) High boiling points

(B) Low boiling points

(C) High viscosity

(D) Low viscosity

7. Through a _______ to vaporize the fluid, warm surface sea water is pumped.

(A) Condenser

(B) Generator

(C) Evaporator

(D) Heat exchanger

8. The function of a heat exchanger is that it ____ the vapor into a liquid which is recycled.

(A) Evaporates

(B) Heats

(C) Cools

(D) Condenses

9. ____ surface water is used by open-cycle OTEC directly to generate electricity.

(A) Hot

(B) Warm

(C) Cool

(D) Icy

10. ____ are left by the steam.

(A) Copper

(B) Aluminium

(C) Salts

(D) Silver

11. ____ water is produced by an open cycle system.

(A) Chlorinated

(B) Impure

(C) Contaminated

(D) Desalinated

12. The sea water enters a vacuum chamber and flashes evaporated in the ____ method.

(A) Neither closed nor open system

(B) Open cycle system

(C) Closed cycle system

(D) Hybrid OTEC

13. _____ technique generates power from the hydroelectric turbine, depending upon the embodiment.

(A) Closed cycle

(B) Steam lift pump

(C) Hybrid

(D) Open cycle