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How do you read a car tire gauge, and how do you know the right tire pressure?
Wiki User
∙ 13y ago
The correct tire pressure is stamped on the tire,and is also located in your owners manual.You can purchase a digital tire pressure gauge to take the guess work out.
Wiki User
∙ 13y ago
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From a nursing perspective... The gauge of the needle tells us the size of the lumen (inside) of the tube. Size 18 is big whilst size 30 is small. If we want a substance that we're injecting to have low pressure (ie if cleaning a wound with saline and not wanting it to hurt or disturb the healing and using a syringe to apply it) then we use a large size (ie 16). Hope this helps Gauge pressure is the pressure recorded on the gage that records above the atmospheric pressure. Normal atomospheric pressure is 14.7psi. So if a gage read 10 psi of gage pressure, then the true pressure would be 24.7 psi. Hope this is right.
