For the best working position, the work should be ________
A) At neck or head level
B) At knee or ankle level
C) Overhead by about one foot
D) At chest or elbow level
D) At chest or elbow level
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
Which type of bearing typically requires a preload ?
a. Ball Bearing b. Thrust bearing c. Tapered Roller bearing d. Needle bearing
What is the purpose of offset vents?
What will be an ideal response?
Which air impact drive size is the most commonly used?
A) 1/4 inch B) 1/2 inch C) 3/4 inch D) 3/8 inch