TEP valve and CV

In which type of gate valve the valve disk is threaded internally?

• Non rising stem

• rising stem

• screw valve

• inside screw valve

What is the main function of Check Valve?

• Prevent over pressure in piping system

• Check the direction of the flow

• Prevent back flow in piping system

• stop the flow

In the Lift type check valve, the valve disk always remains in the flow path. True of False?

• True

• False

Large pressure drop happens in _____

• gate valve

• globe valve

• plug valve

Valves suitable in corrosive service: (multiple answer)

• pinch valve

• plug valve

• diaphragm valve

• gate valve

Gland packing is used to _____

• ease movement of stem to open and close

• prevent leakage on flange connection

• prevent leakage along the stem in valve

• provide tight seal between handwheel and stem

Which type is this valve?

• gate valve

• globe valve

What is this?

• strainer

• check valve

• steam trap

• ball valve

What type of check valve is this?

• butterfly check valve

• lift check valve

• swing check valve

• spring check valve

Which valves of the following has more sealing surface area?

• Plug valve

• Ball valve