Hydro Power Chemistry MCQs

By: Prof. Dr. Fazal Rehman | Last updated: May 29, 2025

1. : The energy that is created with _____ can be stored and turned into electricity.
(A) Stagnant water
(B) Tank water
(C) Flowing water
(D) Sea water

2. : The rate of water at which it ____, river or stream depends upon it.
(A) Flows and falls down
(B) Flows
(C) Falls down
(D) Neither falls nor flows

3. : ______ is power output in a large scale.
(A) 2mW and above
(B) 1mW and above
(C) 2mW
(D) 1mW

4. : There are ___ types of hydro schemes based on power outputs.
(A) 4
(B) 3
(C) 2
(D) 5

5. : ______ is the power output at which power output range from 100kW to 2kW.
(A) Large scale
(B) Pico scale
(C) Micro scale
(D) Mini scale

6. : When output power is _____ then it is micro-scale.
(A) 80-500kW
(B) 10-100kW
(C) 50-500kW
(D) 5-100kW

7. : ____ are the core of a hydro scheme.
(A) Canal
(B) Fore bay
(C) Weir
(D) Turbines

8. : For the flow of __ are used.
(A) Turgo turbines
(B) Francis turbines
(C) Propeller turbines
(D) Pelton turbines

9. : For the higher flow rate of water, __ are used.
(A) Turgo turbines
(B) Pelton turbines
(C) Propeller turbines
(D) Francis turbines

10. : What types of propellers should be used for the larger flow of water?
(A) Pelton turbines
(B) Francis turbines
(C) Multi jet turbines
(D) Propeller turbines

11. : The turbines used to extract power from the large flow of water are ______ which are like wind turbines.
(A) Under shoot turbines
(B) Cross flow turbines
(C) River current turbines
(D) Water wheel turbines

12. : Which of the following directs the water to a settling tank in the river bed?
(A) Large dam
(B) Weir
(C) Small dam
(D) Canal

13. : Which of the following flows into a canal?
(A) Clean water
(B) Impure water
(C) Mineral water
(D) Dirty water

14. : ______ is sited beneath the fore bay.
(A) Weir
(B) Power house
(C) Canal
(D) Screen