Question

two technicians are discussing identifying the nut in the picture using only the markings. technician a states the marking indicate it is a grade 8 us (standard) nut. technician b states that the markings indicate this is a metric nut that fits a m8 bolt. technician a technician b both technician a and technician b neither technician a nor technician b

Explanation:

In the US, a grade - 8 nut has specific markings. The marking on the nut in the picture is a grade - 8 indicator in the US standard system. A metric nut that fits an M8 bolt would have different identification markings. Technician A is correct about it being a grade 8 US nut.

Answer:

Technician A