Piping 2 - pipe & flange

What is the ID of NPS 8 Sch. 40 pipe?

• 8.625"

• 7.790"

• 7.981"

• 7.655"

What is a type of flange which can be single or double welded?

• weld neck flange

• socket welded flange

• slip on flange

• lap joint flange

Most common type of gasket used for raised face flange:

• flat face gasket

• full face gasket

• ring gasket

• spiral wound gasket

What is a most common material type for carbon steel seamless pipe?

• A 106 Gr. B

• A 105

• A 103

• A 304

Spiral wound gasket without outer and inner ring is called:

• centering gasket

• raised face gasket

• standard gasket

• kammprofile gasket

Hydrostatic test can be carried out by using which fluid as test medium?

• air

• water

• oil

• nitrogen gas

Pneumatic test or air test can be performed by using _________ as test medium.

• water

• nitrogen gas

• air

• oil

Threaded connection is usually not suitable for ________ services.

• vibration

• high pressure

• high temperature

• water

Piping can be connected with following methods:

• threaded connection

• welded connection

• flanged connection

• gasket connection

Flange can be attached to pipe with:

• bolted connection

• welded connection

• threaded connection

• valved connection