FREE POSS MCQ Questions and Answers

Question 1

Which part of the paragraph best exemplifies why a hydroelectric facility ought to be built close to a large body of water?

Accepted Answer

"These amount of energy that can be developed by the plant is directly proportional to the volume of water at the site."

Answer

"Hydroelectric power plants are dependent on the water supply."

Answer

"In a typical arrangement, the power plant is built atop or alongside a dam, through which water is permitted to flow at a controlled pace."

Answer

"These reservoirs submerge huge amounts of land and can be have devastating effects in wildlife and human settlements alike."

Question 2

What function do the alternators serve in a hydroelectric power plant?

Accepted Answer

generate the electrical power

Answer

maintain efficiency

Answer

spin the turbines

Answer

cool the water

Question 3

Which of the following does a hydroelectric power plant NOT have to offer?

Accepted Answer

They are inexpensive to operate

Answer

They are inexpensive to construct

Answer

They are durable

Answer

They are clean

Question 4

What does the sentence "Hydroelectric power plants offer numerous excellent features relative to other plants" indicate in the second paragraph?
There are numerous parallels between hydroelectric power facilities and other plants.

Accepted Answer

Hydroelectric power plants have many advantages over other plants.

Answer

Hydroelectric power plants have many disadvantages compared to other plants.

Answer

Hydroelectric power plants have many differences from other plants.

Answer

Hydroelectric power plants have many similarities with other plants.

Question 5

Which of the following statements most likely rings true given the facts in the passage?

Accepted Answer

An old hydroelectric power plant is approximately as efficient as a new one.

Answer

Hydroelectric power plant must be built next to natural bodies of water.

Answer

Most hydroelectric power plants are built on sandy oil.

Answer

Hydroelectric plants are more expensive to operate than nuclear plants.

Question 6

Which of these three pulleys, numbered 1, 2, or 3, rotates the fastest?

Accepted Answer

three

Answer

two

Answer

one

Question 7

The pump motor has to be started, which switch should be closed—switches 1, 2, or 3?

Accepted Answer

three

Answer

two

Answer

one