31. Which hydroelectric project is located on the Mahanadi River in Odisha?
A) Hirakud Dam
B) Tehri Dam
C) Sardar Sarovar Dam
D) Srisailam Dam
Answer: A) Hirakud Dam
32. Which European country is home to the Övre Alvsjö Dam, a hydroelectric power station located in Stockholm?
A) Norway
B) Sweden
C) Denmark
D) Finland
Answer: B) Sweden
33. The Karun-3 Dam, located in Iran, harnesses the water of which river?
A) Tigris
B) Euphrates
C) Karun
D) Kura
Answer: C) Karun
34. Which South American country is home to the Guri Dam, one of the largest hydroelectric power stations in the world?
A) Brazil
B) Colombia
C) Venezuela
D) Peru
Answer: C) Venezuela
35. The Kárahnjúkar Dam, located in Iceland, harnesses the water of which river?
A) Jökulsá á Fjöllum
B) Þjórsá
C) Hvítá
D) Skjálfandafljót
Answer: A) Jökulsá á Fjöllum