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Quiz Leaderboard: 2/17 - 3/19/2018    Sign in to track your quiz score! | Full Leaderboard

  • 1. willem van Gent (20/21 answered correctly)

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Which of the following abrasive types is normally the hardest?

Nickel slag
Silica sand
Silicon carbide
Peach pits

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Previous Quizzes from the Past Week

Thursday, April 14, 2011
In the list of actions below, which one precedes all the others in development of a maintenance painting program?

Wednesday, April 13, 2011
What organization conducts research on safety and health issues and provides technical assistance to OSHA?

Tuesday, April 12, 2011
What is mica?

Monday, April 11, 2011
True or false: To be effective, a seal coat over a thermal-sprayed zinc coating must be applied after a significant amount of natural oxidation has occurred.

Friday, April 8, 2011
Cuprous oxide is sometimes used in what types of coatings?

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.

Industrial Vacuum Equipment Corp.
Hurricane Vacuums
& Dust Collectors
Vacuum and dust collector hose, filters and related accessories.

HoldTight Solutions Inc.
Our HoldTight®102 salt remover & flash rust
preventer prevents flash
rust by removing surface contaminants. Contact us
for your nearest distributor.
(800) 319.8802

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.

Vector Technologies Ltd.
The Original Performance Proven Vacuum Solutions
VecLoader® 616 Double Dump, Continuous Vacuum, 170 HP w/ 2,400 CFM & 28” Hg. 33% More Efficient than traditional vacuum systems! Choose Vector for the most powerful and the most reliable trailer mounted vacuums in the industry! Email us at: or call us at: 800-832-4010

Fischer Technology Inc.
Maximize Profits by Monitoring Coating Thickness
Learn more by contacting Fischer Technology today: 1.860.683.0781

Sika® Industrial Floor Coatings
Click to learn about floor and wall systems relied upon for performance, durability, easy maintenance and aesthetics across the every industry and environment.

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


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