A single fitting installed in a pipeline that either blanks off the pipe or allows a full flow passage of a liquid through the pipe is referred to as a __________.
A
blind flange
B
pivot coupling
C
quick-release coupling
D
spectacle flange
E
İlgili Sorular
Barges and vessels are ballasted before departure to __________.The explosive range of petroleum vapors mixed with air is ________.What is the equivalent of 4°36' in time units?Fog forms when the air __________.You are on a semisubmersible being towed and are concerned that a fishing vessel is not taking suffi...