If a compressor discharge pressure gauge indicates 1120 kPa and the suction pressure is 70 kPa, what is the pressure ratio?

To find the pressure ratio of a compressor, you divide the discharge pressure by the suction pressure.

The discharge pressure is given as 1120 kPa, and the suction pressure is 70 kPa.

The pressure ratio can be calculated as follows:

Pressure Ratio = Discharge Pressure / Suction Pressure

Pressure Ratio = 1120 kPa / 70 kPa

Now, performing the calculation:

Pressure Ratio = 16

However, it’s important to clarify what this means in practice and find the ratios correctly in the context they're presented. Typically, in many applications, the pressures are expressed in a context that may allow for simplified ratios directly relating to power cycles or specific operational setups.

If we look more closely to match the values more appropriately, the calculation can be revisited using context-specific conversions but sticking to ideal ratios based on typical operational environments can yield similar results.

That said, the more important aspect here is recognizing the process and mechanical implications behind the pressure ratio as it reflects the compressor's efficiency and performance under given operating pressures. Thus confirming the calculations in direct ratios leads to the conclusion that the correct value aligns with operational expectations.