Right
Wrong
shafts are arranged parallel and rotate in the opposite directions
shafts are arranged parallel and rotate in the same directions
shafts are arranged at right angles and rotate in one definite direction
driven shaft is to be started or stopped whenever desired without interferring with the driving shaft
one side of the actual size
one side of the nominal size
both sides of the actual size
both sides of the nominal size
1.06
1.12
1.26
1.58
socket joint
nipple joint
union joint
spigot and socket joint