Usually, turboprob engines has torque limits and over torque should not happen. When it does happens, that shows torque limit fails, and the most likely consequence is auto-feathering and engine shutoff. When feathering, there should be a light flashing or on indicating feathering. all these depends on the plane manufacturers and the configuration

Hi. You did not mention what you were studying. If you were studying engineering courses, that will be great for your attempt to become a pilot, coz pilot have to know not only how to fly a airplane, but also how does the aircraft fly. That is most important thing which will probably save you and your partner under most urgent ...