Question

the electronic dial type torque wrench first illuminates the red led when the fastener is over - torqued by more than of the target torque.
1%
2%
4%
6%

Explanation:

This is a knowledge - based question about the operation of an electronic dial type torque wrench. Typically, such wrenches are designed to illuminate a red LED when the fastener is over - torqued by more than 6% of the target torque as a standard safety and accuracy feature.

Answer:

D. 6%