Mechanical Equipment
Underground Systems
Sealers, Coatings & Sprays
Refractory
Cryogenic Systems
100

Which insulation can be used on equipment operating as low as -450F?

What is

Cellular Glass

100

How much pipe is left uninsulated, when connecting underground (flanged) piping?

What is

3 inches

100

What type of insulation is sprayed on?

What is

Polyurethane

100

What temperature does Refractory temperature range begin?

What is

1500F

100

What is a must for any application in the Cryogenic temperature range?

What is

A Vapor Barrier

200

A petroleum-based coating used to waterproof insulation?

What is 

Mastic

200

What type of coating, need to be heat sealed (torch) to the insulation to create a vapor barrier?

What is

Asphalt-based membrane

200

What percentage do you overlap when using spray equipment?

What is

50%

200

What insulation material is resistant to chemicals and thermal shock?

What is 

Ceramic Fiber

200

What thickness must a penetration in cryogenics be insulated?

What is

4X the thickness of the insulation

300

What would be a great insulation to apply to a breeching?

What is 

Mineral Wool

300

What is done to contain loose fill in underground installation?

What is

Build a plasterboard box

300

At what temperature should you apply spray foam?

What is

Room temperature or 65F-100F

300

What type of hook is used in conjunction with clips to attach board insulation to road mesh?

What is

A J-Hook

300

Where would a clevis hanger be located when insulating in the cryogenic temperature range?

What is

The outside of the pipe insulation or jacketing

400
What would be used to create an air space between a boiler and the insulation?

What is

By applying road mesh over stiffeners

400

What is a major danger when working in a trench?

What is

Cave-ins

400

What type of job would be best for suction feed spray equipment?

What is

On small jobs

400

Boiler tubing is extremely hot, what type of insulation product would you use?

What is 

Ceramic Fiber

400

What type of mastic would be best for cryogenic installations?

What is

Vapor barrier mastic

500

What piece of equipment, would convert steam from a boiler back to water

What is

A Heat Exchanger

500

What is used when insulating a connector using a sleeve or form?

What is

Froth Pack or Urethane Foam

500

What is needed to be done to the lines of spray equipment at the end of a job?

What is

Bleed the lines (run mineral oil)

500

What is an important accessory needed to bands in Refractory work?

What are

Springs

500

What is an important consideration when applying mastic to several layers of cellular glass insulation?

What is

Only the final layer is to be buttered and banded