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Monday, January 31, 2011

How are water and abrasive combined in wet abrasive blasting?

In a slurry that is the pressurized to push the material through a hose and nozzle
By abrasive being injected into pressurized water stream before the nozzle
By a water ring around the nozzle that wets the abrasive as it emerges from the nozzle
By all of these methods

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Previous Quizzes from the Past Week

Friday, January 28, 2011
True or false: Moisture-cured polyurethanes are single-component materials.

Thursday, January 27, 2011
True or false: When steel freshly cleaned by air abrasive blasting is exposed to conditions of high humidity, moisture, or a corrosive atmosphere, the discoloration that occurs is called "rust back."

Wednesday, January 26, 2011
In protective coatings work, which of the following might be called a dolly?

Tuesday, January 25, 2011
What is the usual name given to the type of crack that occurs in fresh concrete soon after it is placed?

Monday, January 24, 2011
Which of the following factors can influence the durability of barrier protection from a coating?


More previous quizzes

Commercial Sandblasting & Painting Ltd.
Reliable Service & Superior Workmanship

We’re ready to meet any of your protective coating and lining needs. We can work on your site or in our facilities, with large shops (60,000 sq ft), 40 acres of yard space, and cranes and forklifts on site.


Minerals Research & Recovery

HIGH PERFORMANCE ABRASIVES


“Made in the USA!”

Why recycle waste from other countries? Go FASTER, CLEANER, at 1/3 THE COST with MR&R “All-American” Sharpshot®HP!!

WATCH THE VIDEO


Abrasives Inc.
One Call Orders it All!

Life is good when it’s simple. We distribute Clemco blast equipment, nozzles & parts alongside our proven blast media. Make your call: Abrasives Inc. 800-584-7524


SAFE Systems, Inc.
SAFE Systems'
Blast Lights &
Deadman Switches

Halogen or LED blast lights available with our NEW urethane bumper. Switches available in many colors for color coding your hoses.


Blastox/The TDJ Group, Inc.
Blastox - One Step
Lead Abatement

Don't waste $$ on added labor steps with other methods. Don't mix, meter or apply at the job-site. Avoid strict hazardous waste rules.
Let your painters paint!


Trelawny Surface Preparation Technology
Surface Preparation Equipment

Manufacturer of needle scalers, grinders, scarifiers and scabblers. Pneumatic tools for Marine and Construction. US distributor CS Unitec: 800-700-5919


Wasser High-Tech Coatings Inc.
Wasser Coatings Protect

Wasser Coatings offer a complete range of Moisture Cure Urethane (NEPCOAT approved) systems in addition to Polyurea membranes and linings(NSF).
www.wassercoatings.com


U.S. Zinc
Historic Reliability. Innovative Performance.

For 65 years, the success of U.S. Zinc has come from the quality of our people and our products. The protection properties of our zinc dust prolong the life of marine coatings, helping the world work™


Dow Polyurethane Systems
Choose the Right Coat

Dow’s high-performance, protective polyurethane spray elastomer system increases durability for steel and concrete applications.

 
 
 
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