A PIPE FULL DIESEL HAS 5 PSI ON IT, AT 70 DEGREES AND ONE DEGREE OF CHANGE = WHAT PRESSURE

To determine the pressure change for one degree of temperature change, we need to know the coefficient of thermal expansion for diesel. The coefficient of thermal expansion measures how much a material expands or contracts with a given change in temperature.

Unfortunately, the coefficient of thermal expansion for diesel is not readily available. It can vary depending on the specific formulation of the diesel fuel. Without this information, it is not possible to calculate the pressure change accurately for a given temperature change.

If you have access to the coefficient of thermal expansion for the specific type of diesel you are using, you can use the following formula to calculate the pressure change:

ΔP = P * α * ΔT

Where:
ΔP is the change in pressure
P is the initial pressure (5 PSI in this case)
α is the coefficient of thermal expansion for diesel (in units of 1/°F or 1/°C)
ΔT is the change in temperature in degrees Fahrenheit or Celsius

Please note that without the specific coefficient of thermal expansion for diesel, we cannot provide an accurate answer to your question.