Spigot and socket cotter joint

Sleeve and cotter joint

Gib and cotter joint

any one of these

axially upwards

axially downwards

axially upwards or downwards

none of these

Double row roller bearing

Taper roller bearing

Angular contact single row ball bearing

Needle roller bearing

normal pitch

axial pitch

diametral pitch

module

length of boiler

diameter of boiler

length and diameter of boiler

efficiency of boiler