Question 1

The colour of stripe for 304L alloy material of metallic anchor is

Options :

A : 1 solid black

B : 2 solid black

C : 1 solid grey

D : None of the above

Answer: B

Question 2

For the qualification of the applicator/installer, they shall demonstrate their ability to install the refractory:

Options :

A : to meet the specified quality standards utilized for the installation of work.

B : by using the technique prescribed by the manufacturer no matter which material is used.

C : free of visible voids, laminations on the hot face or working surface only for gunned lining.

D : free of visible voids, laminations on the hot face or working surface only of the refractory lining.

Answer: A

Question 3

In the absence of owner specification, which party or individual sets the temperature limits for refractory and mix water?

Options :

A : Contractor

B : Manufacturer

C : Inspector

D : Independent refractory laboratory

Answer: B

Question 4

A moldable refractory material that can be extruded and has a level of workability that permits it to be pounded into place to form a monolithic structure

Options :

A : Ramming mix

B : Plastic refractory

C : Monolithic refractory

D : None of the above

Answer: B

Question 5

Which of the following is a correct condition for gunned material test panels used for CCS and PLC testing?

Options :

A : Test panels must be 24 in. Ã— 24 in. Ã— 6 in. thick and shot vertically.

B : The minimum gunned thickness shall be 2 in., with a tolerance of ±0.25 in.

C : A vibrating screed must be used during panel finishing.

D : Test panels must be dried at 400°F (204°C) for 6 hours before specimen extraction.

Answer: B