TEP piping 5

_______ is used for lubrication on bolts before tightening.

• WD-40

• Molykote

• adhesive

• white tape

Select BCD for 150# CNAF gasket of NPS 10.

• 362 mm

• 406 mm

• 298 mm

• 241 mm

Typical thickness of spiral wound gasket:

• 2 mm

• 4.5 mm

• 1 mm

• 5 mm

Hoop material of spiral wound gasket is made from:

• Graphite filler + SS winding

• PTFE filler and winding

• Graphite winding + SS filler

• metallic material only

Calcium silicate insulation is normally made of:

• rock wool

• silica+lime

• glass+fibre

• carbon steel

Function of inner ring in spiral wound gasket:

• to centre the gasket between flanges

• to prevent internal intrusion of the gasket when compressed

• to prevent external protrusion of the gasket when compressed

• to maintain the shape of gasket

Spiral wound gasket with inner ring only can be used in flange with _____

• male female flange face

• raised face flange face

• lap joint flange face

• tongue and groove flange face