An American Standard I-beam that has a 20 nominal web depth and a weight of 60 pounds per beam foot is identified by which of the following:
A) S20X60 B) S60X20 C) X60S20 D) W20X60
Question 2
The clutch mechanism on a power drill is used to adjust the ________.
A) Levels of torque B) Speed rate C) Penetration level D) Bit depth