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Quiz Leaderboard: 2/19 - 3/21/2018    Sign in to track your quiz score! | Full Leaderboard

  • 1. willem van Gent (22/22 answered correctly)

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How can sponge blasting produce a profile on steel?

By increasing the velocity of the sponge particles
By sharpening the angle of attack from nozzle to substrate
By soaking the sponge abrasive in a chemical that etches the steel
By imbedding a hard abrasive, such as garnet or aluminum oxide, within the sponge particles

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Previous Quizzes from the Past Week

Thursday, February 16, 2012
True or false: Organic zinc-rich coatings are sometimes recommended for the repair of damaged areas on galvanizing and inorganic zinc-rich-coated steel.

Wednesday, February 15, 2012
TC 35/SC 12 is the designation for what important organization?

Tuesday, February 14, 2012
What happens to the existing profile on steel when UHP water blasting is used to remove rust and/or coatings?

Monday, February 13, 2012
Who has won the most SSPC Outstanding Publication Awards?

Friday, February 10, 2012
What is PM 10?

More previous quizzes
CHLOR*RID International Inc.
Companies that invest in corrosion control use CHLOR RID products
  • Soluble salt removal liquid
  • Test kits to verify contamination levels
  • Surface passivation to hold the blast
INFO@CHLOR-RID.COM 800.422.3217

NLB Corporation
NLB Sure Shroud: Greater Protection and Flexibility
NLB’s Sure Shroud’s lighter weight and flexibility reduces operator fatigue and offers unmatched protection against high pressure hose ruptures. 10k to 40k psi rated.

Tarps manufacturing, Inc.
QUALITY MADE IN AMERICA —Available near you!
CLICK to get a behind-the-scenes look at how Tarps Manufacturing makes the highest-quality tarps right here in the USA — available nationwide.

SABRE Autonomous Solutions
The ALPHA1 provides reliable results consistently allowing you to cost your next job with confidence.

Graco Inc.
Graco EcoQuip 2: Experience the Difference
While others claim their equipment is the same, none of them compare to Graco’s EcoQuip 2™ Vapor Abrasive® blasting line. Visit to learn more.

ARC / A.W. Chesterton Company
ARC HT-S is a 100% solids glass/ceramic reinforced novolac epoxy lining for high temperature aqueous cold wall corrosion conditions. ARC HT-S is easily applied by roller, brush, squeegee, or airless spray.

Sauereisen, Inc.
SewerGard® 210XHB
• 300 mils in a single coat by plural component equipment
• Fast Setting
• 100% Solids Epoxy
• Chemical-resistant barrier for municipal wastewater environments

SSPC: The Society for Protective Coatings
Join SSPC and Enhance
Your Career !

SAFE Systems, Inc.
Custom blast rooms
by SAFE Systems
Don't waste time and money "making do" with a "standard" design. Let us work with you to design and build the system that best fits your requirements.
Call 1-800-634-7278

Sky Climber, LLC
Solutions in Suspended Access
Safely reach workspaces regardless of size or purpose with our full line of Hoists, modular Platforms, and versatile Workcages.


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