The unit for pressure specified by the Canadian Metric Practice Guide is?

The unit for pressure specified by the Canadian Metric Practice Guide is the Pascal (Pa). The Pascal is the SI unit of pressure and is defined as one Newton per square meter. It is widely used in various scientific and engineering disciplines, including power engineering, as it provides a standard metric measure for pressure.

The use of the Pascal is important in promoting consistency and clarity across metrics in engineering practices. It allows for easier communication and understanding of pressure values in calculations, design, and system evaluations. In contexts where pressure needs to be measured or expressed, adopting the Pascal aligns with the modern metric system, which emphasizes simplifying and standardizing units of measure across industries.

In this context, other options like psi (pounds per square inch), bar, and mm Hg (millimeters of mercury) are either imperial units or specific to particular applications without being standardized in the same way as the Pascal under the Canadian Metric Practice Guide. While these other units can be used in various scenarios, they do not reflect the metric approach as clearly as the Pascal does.