# BookRiff

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## What is one atmosphere of pressure in diving?

One atmosphere is equal to the weight of the earth’s atmosphere at sea level, about 14.6 pounds per square inch. If you are at sea level, each square inch of your surface is subjected to a force of 14.6 pounds. The pressure increases about one atmosphere for every 10 meters of water depth.

### How does atmospheric pressure affect divers?

A diver will use up their available air more quickly the deeper they go. The greater the ambient pressure, the more rapidly a diver’s body tissues will absorb nitrogen. Because pressure becomes greater with depth, both air consumption rates and nitrogen absorption increase the deeper a diver goes.

At what depth will you reach 1 atm of pressure?

34 feet
And now for a little math! 445 lbs per foot of depth. Fresh water being slightly lighter, requires a depth of 34 feet to equal 1 ATM, so fresh water exerts a pressure of 14.7 divided by 34, or . 432 lbs per foot of depth.

How much is an atmosphere in diving?

At sea level, the pressure of the air that surrounds us equal to 1 bar, which is sometimes referred to as 1 atmosphere. Dive to just 10 meters deep and that pressure is doubled – because water is much denser than air, it exerts a much greater compressive force on your body.

## How many atmospheres of pressure would a diver experience at 102 feet?

There would be 4 atmospheres of pressure that the diver would experinece at 102 feet.

### Is there atmospheric pressure under water?

Measurement based on depth of water One atmosphere (101.325 kPa or 14.7 psi) is also the pressure caused by the weight of a column of fresh water of approximately 10.3 m (33.8 ft). Thus, a diver 10.3 m underwater experiences a pressure of about 2 atmospheres (1 atm of air plus 1 atm of water).

What is the depth of water in one atmosphere?

33 feet
One atmosphere is approximately equal to 33 feet of sea water or 14.7 psi, which gives 4.9/11 or about 0.445 psi per foot.

What is the approximate vapor pressure when the gas condenses at 80oc?

23 Cards in this Set

1. fixed volume; variable shape 2. fixed volume; fixed shape 3. variable volume; variable shape 2 Solid 1 Liquid 3 Gas
What is the approximate vapor pressure when the gas condenses at 80°C? 430

## How is the pressure measured in scuba diving?

This amount of pressure is called one atmosphere of pressure because it is the amount of pressure the earth’s atmosphere exerts. Most pressure measurements in scuba diving are given in units of atmospheres or ATA . The weight of the water above a diver exerts pressure on their body.

### Which is the best description of an atmospheric diving suit?

These provide great mobility, while remaining largely unaffected by high pressures. An atmospheric diving suit ( ADS) is a small one-person articulated anthropomorphic submersible which resembles a suit of armour, with elaborate pressure joints to allow articulation while maintaining an internal pressure of one atmosphere.

What is the pressure of air at sea level?

At sea level, the pressure is 14.7 psi or also called 1 atmosphere or ATA. This means that an inch square column of air from the very top of the atmosphere to sea-level exerts a pressure or weighs 14.7 lbs The gauges that are used in scuba diving read what is called gauge pressure which ignores the atmospheric pressure at sea level.

How does the pressure of the water affect a diver?

The weight of the water above a diver exerts pressure on their body. The deeper a diver descends, the more water they have above them, and the more pressure it exerts on their body. The pressure a diver experiences at a certain depth is the sum of all the pressures above them, both from the water and the air.