16. The Nagarjuna Sagar Dam is built across which river?
A) Krishna
B) Godavari
C) Mahanadi
D) Cauvery
Answer: A) Krishna
17. What is the installed capacity of the Idukki Hydroelectric Power Station in Kerala?
A) 300 MW
B) 400 MW
C) 510 MW
D) 780 MW
Answer: C) 510 MW
18. The Nathpa Jhakri Hydroelectric Power Station is located in which Indian state?
A) Himachal Pradesh
B) Uttarakhand
C) Sikkim
D) Arunachal Pradesh
Answer: A) Himachal Pradesh
19. Which dam is responsible for the largest hydroelectric power generation in India?
A) Tehri Dam
B) Srisailam Dam
C) Bhakra Dam
D) Hirakud Dam
Answer: C) Bhakra Dam
20. Which of the following is the largest hydropower project in India?
A) Sardar Sarovar Dam
B) Koyna Hydroelectric Project
C) Indira Sagar Dam
D) Bhakra Dam
Answer: A) Sardar Sarovar Dam