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Quiz Leaderboard: 10/26 - 11/25/2015    Sign in to track your quiz score! | Full Leaderboard

  • 1. Juan I. Ordinas (22/22 answered correctly)

  • 2. Mark Gierke (21/22 answered correctly)

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  • 19. Robin Hasak (20/22 answered correctly)

  • 20. Bryon Beck (20/22 answered correctly)

Tuesday, August 30, 2011

In abrasive blasting work, how small do dust particles have to be to make them respirable and therefore dangerous to health?

10 microns or less
100 microns or less
500 microns or less
1 micron or less

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Previous Quizzes from the Past Week

Monday, August 29, 2011
Which of the following is not an exclusively marine exhibition?

Friday, August 26, 2011
Which of the following range of readings would you most likely see on a needle pressure gage inserted behind the nozzle of a blast hose?

Thursday, August 25, 2011
Which of the following solvents is not a hydrocarbon type?

Wednesday, August 24, 2011
What is the most commonly used material for thermal spraying when it is used for corrosion protection?

Tuesday, August 23, 2011
What is the source of the specification for Grade D breathing air?

More previous quizzes

RPB Respiratory

With RPB Safety’s new Nova 3 Cassette Lens System which has been specifically designed to save you time and money! See the benefits for yourself now!

SABRE Autonomous Solutions
Safety, Productivity, Quality. Robotic Blasting

Learn how this simple to use, field deployed, automatic robot is eliminating hazards in major confined, cluttered and complex surface preparation projects.

Graco Inc.
Graco Mortar Pump

The M680 sprays epoxy-based mortars, anti-skid coatings, cementitious and filled materials. Compact.
Easy to use.
Call 877-844-7226 or

Nationwide Overspray
Profession Overspray Removal Services

The Finest Name in Safe Overspray Removal. We specialize in removing all contaminants from any surface. Family Owned and Operated for 33 years! Fully insured. Satisfaction is guaranteed.

Industrial Vacuum Equipment Corp.
Hurricane Vacuums
& Dust Collectors

Vacuum and dust collector hose, filters and related accessories.

Absolute Equipment/Grand Rental Station
Portable Power from Absolute Equipment

•Lighting Systems
•Light Compaction
Sales • Rental • Service
Call 1-866-931-6655
Over a century of
providing excellence.

Novatek Corporation
Dustless Coatings Removal

Strip it, clean it, and profile it,
all dust free! High production
rates and Blast like finishes.
Comply with new lead

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

Don't waste money 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

Modern Safety Techniques
Modern Safety Techniques

See our Low Temperature Catalyst for your CO removal needs. Help to provide your workers with safe, comfortable breathing air!

Safety Lamp of Houston, Inc.
Wet & hazardous area lighting solutions from SAFETY LAMP of Houston

New WOLF LED and fluorescent lights are now available, including low voltage tank lighting kits.
Call: (281) 964-1019.

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