Technician A says that a 3x5 card should be held against the oil fill opening if the positive crankcase ventilation system is working correctly. Technician B says that if a PCV valve rattles then it’s working properly. Who is correct?

What precautions should you take to prevent injuries when dealing with heavy loads?

The higher the astm grain size number, the finer the gran is. a)-true b)-false

Aturning operation is performed with following conditions: rake angle of 12°, a feed of 0.35 mm/rev, and a depth of cut of 1.1 mm. the work piece is aluminum alloy 6061 with t6 heat treatment (a16061-t6). the resultant chip thickness was measured to be 1.0 mm. estimate the cutting force, fc. use shear stress of 207 mpa and coefficient of friction on the tool face of 0.6.