Answer / rajasekar

The British Standard Pipe thread (BSP thread) is a family
of standard screw thread types that has been adopted
internationally for interconnecting and sealing pipe ends
by mating an external (male) with an internal (female)
thread.

British Standard Whitworth (BSW) is one of a number of
imperial unit based screw thread standards which use the
same bolt heads and nut hexagonal sizes

i am very much confused about direction of thrust in steam turbine...we have steam turbine of 13 stages,10 stages of impulse and 3 of reaction type....in study manual direction of thrust is towards inlet but on thrust bearing its loading side is towards condenser(exhaust side) wile also dummy ring is present in design which also restrict rotor to move in exhaust side direction not inlet ....

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