Basic Knowledge of Chemical Production (10.21)
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Which of the following statements about the use of blind plates is incorrect? ( ) (A) The equipment that is shut down for maintenance must have its connected pipelines isolated using blind flanges. (B) When selecting a blind flange, its nominal pressure should match that of the flange to which it is connected. (C) The blind flange should be installed on the flange located in front of the valve from which the material flows. (D) The thickness of the blind flange varies depending on the operating conditions
C is incorrect; if a blind plate is installed on the flange at the front of the valve where the material flows in, it will not be possible to remove the blind plate later on.
(C) The blind plate should be installed on the flange at the front of the valve where the material flows in#Reply quickly here#
(C) The blind plate should be installed on the flange at the front of the valve where the material flows in
(C) The blind plate should be installed on the flange at the front of the valve where the material flows in
(C) The blind plate should be installed on the flange at the front of the valve where the material flows in
(B) When selecting a blind flange, its nominal pressure should be the same as that of the corresponding flange
(C) The blind plate should be installed on the flange at the front of the valve where the material flows in
The incorrect statement regarding the use of blind plates is (A). (A) The equipment that is shut down for maintenance must have its connected pipelines isolated using blind flanges