For use of circuit breakers in service with the symbol on the equipment label: C350; B500. Please calculate short circuit protection current and overload protection current for each device?

The answer is A hypothesis involves a statement about what you will do, but also what you expect to happen or speculation about what could occur. Once you've written your hypothesis, you'll need to test it, analyze the data and form your conclusion. To read more about hypothesis testing, explore good examples of hypothesis testing.
Next year I will fail physics.