Question

Which of these words completes the sentence in a way that makes the most sense?

A spirit level should be used to ensure that the surface is -----------

A) straight

B) flat
C) horizontal
D) parallel
E) aligned​

Answer 1

A spirit level should be used to ensure that the surface is flat

Answer 2

Answer:

The correct answer is Option(c)horizontal.

Explanation:

• A spirit level is a tool that can be used to ensure whether the surface is parallel or perpendicular with respect to the earth.
• A spirit level should be used to ensure that the surface is horizontal.
• A spirit level is also known as a bubble level or simply a level. It is an instrument that indicates whether a surface is horizontal or vertical.
• Spirit levels of different kinds are used in surveying, carpentry, stone masonry, photography, videography, etc.
• A spirit that is the liquid contained in the instrument is ethanol.
• Ethanol is used because it has a very low viscosity.

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