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A plumb bob is a weight on the end of a string. It usually has a pointed lower end.

It is hung adjacent to or in line with building elements to check whether they are "plumb" or "true to the vertical".

A weight on a string holds the string under tension in a straight line down to the ground because of gravity. A person can move so they can see whether the straight line of the string lines up against the built element, to tell whether it is vertical.

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What is the use of a plumb bob in plumbing?

The plumb bob is useful in establishing vertical for a wall in construction or a doorjamb when hanging a door. It can indicate whether a flue is running true vertical or veering off plumb. A plumb-bob or a plummet is a weight, usually with a pointed tip on the bottom, that is suspended from a string and used as a vertical reference line, or plumb-line. It is essentially the vertical equivalent of a water level.


What is plumb bob use for?

A plumb bob is a weighted instrument used in construction and carpentry to create a vertical reference line. It helps ensure that structures are built accurately and in alignment with a true vertical.


What is the homonym of plum?

The homonym of "plum" is "plumb," which refers to a weight on the end of a line to measure water depth or a tool used for finding the vertical in construction.


When something is plumb it is what?

When something is plumb, it is perfectly vertical or upright, aligning directly with the force of gravity. This term is often used in construction and carpentry to ensure that structures are straight and stable. A plumb line, for example, is a tool that helps achieve this vertical alignment. In essence, being plumb indicates that an object is not leaning or tilted.


What is the use of plumb line?

A plumb line is a tool used in construction and surveying to establish a vertical reference line. It consists of a weight, often a pointed metal tip, suspended from a string or line. When the weight is allowed to hang freely, it indicates the true vertical direction, helping ensure walls and structures are straight and level. Plumb lines are essential for accurate alignment and stability in building projects.


How do they know the plumb line is vertical?

Use of a plumb bob a level used on plumb rather then horizontal


What is a vertical plumb rod used for?

For measuring 'plumb' in conjunction with a spirit level.


Can something be level and out of plumb?

YES. Level is interpruted to be horizontal and plumb vertical. Now, most levels have a plumb level and can be used in the vertical position. this is stil however checking for plumb and not level. Hope this helps Terry


Why is a plumb line hanging vertically?

A plumb line hangs vertically due to the force of gravity acting on the weight at its lower end. This force pulls the weight straight down towards the center of the Earth, establishing a vertical orientation. As a result, the string of the plumb line aligns itself with the gravitational pull, ensuring it remains perfectly vertical. This property is used in construction and surveying to establish true vertical lines.


The term plumb refers to which position?

Vertical


Where did the term 'half a bubble off plumb' come from?

The term "half a bubble off plumb" originates from the use of a spirit level, a tool used in construction and carpentry to measure vertical alignment. When the bubble in the level is centered, the surface is perfectly vertical or "plumb." If the bubble is half a distance away from the center, it indicates that the surface is slightly off vertical, hence the phrase is used metaphorically to describe someone who is a bit eccentric or not quite right in their thinking.