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A stress line below the ground surface which connects all the points at which vertical stress is equal is called an isobar. it is a curved surface which resembles as bulb , due to the vertical pressure at all the points below the ground surface in the horizontal plane
IMPORTANCE:
*there are used to deter mine the effect of load on vertical stress at different points .
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∙ 11y ago
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What did Joseph swan make the light bulb out of?
He made it out of carbonized paper filaments in an evacuated glass bulb.
What was invented in 1779?
the light bulb was invented in 1779.
How long did it take to make the light bulb?
3 weeks
How did the light bulb change America?
It gave us light
What is Thomas Edisons most important invention?
The Light Bulb
How can pressure bulb of a foundation influence depth of soil investigation?
G
Define pressure bulb in soil mechanics?
Shape: The pressure bulb is typically depicted as a three-dimensional shape, often resembling an inverted cone or pyramid. It extends downwards from the base of the loaded area or foundation into the soil. Distribution: Within the pressure bulb, the pressure is not uniformly distributed. It is highest at the base of the loaded area and decreases with depth. The pressure distribution is influenced by factors such as the shape and size of the foundation, the load magnitude, and the properties of the soil. Depth: The depth of the pressure bulb varies depending on the characteristics of the foundation and the soil. Deeper foundations will have deeper pressure bulbs.
What is the formula for calculating volume of Bulb in the pile foundation?
concrete qty for bulb portion in pile foundation
What are the importance of pressure bulb?
The Zone in a loaded soil mass bounded by any arbitrary isobar is known as a pressure bulb. The vertical pressure at any point on the surface of the pressure bulb is the same.
Pressure bulb can you use a sodium bulb in a mercury fixture?
no
What is the pressure in a light bulb?
1000 Pa
How does a dropper work?
If you squeeze the bulb to expel most of the air, then release it with the tip under water, the pressure in the bulb drops and external air pressure on the surface of the liquid in its container forces the liquid into the dropper. When you squeeze the bulb again, you increase the pressure and force the liquid out.
Does a 400W high pressure sodium bulb have silver in it?
The 400W high pressure Sodium bulb contains a silver lining inside the frame to give better reflection of light. However, no silver is found inside the bulb.
Is a fluorescent bulb filled with gas at a high pressure?
no
Can you use a 70 watt high pressure sodium bulb in a 150 watt ballast?
No, you can not use a 150 watt high pressure sodium bulb with a 70 watt ballast.
When was the light bulb discovery made?
It depends on what you would classify as the actual invention of the light bulb. Humphry Davy first invented an electric light in 1800, which consisted mainly of a battery and carbon. In 1878, Sir Joseph Wilson Swan created new, longer-lasting electric lamps, which he showcased in England. Thomas Edison, after working with thousands of different prototypes, discovered the light bulb that could glow for over 1500 hours, laying the foundation for light bulbs today.
Does the olfactory bulb sense temperature and pressure?
NO it has to do with the sense of smell
