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Module 9: Control Techniques - International Association of Fire ...

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IAFF Training for Hazardous Materials: Technician©<br />

Student Text<br />

7. Which <strong>of</strong> the following control techniques involves releasing gas vapors into the atmosphere<br />

to reduce tank pressure?<br />

A. Vapor flaring<br />

B. Hot tapping<br />

C. Cold tapping<br />

D. Venting<br />

8. Which <strong>of</strong> the following items is <strong>of</strong>ten used as an adsorbent?<br />

A. Sand<br />

B. Sawdust<br />

C. Cat litter<br />

D. Clay<br />

9. Cargo tanks can be constructed from any <strong>of</strong> the following materials. Which one is s<strong>of</strong>test<br />

and will puncture most easily?<br />

A. Aluminum<br />

B. Quenched and tempered steel<br />

C. Mild steel<br />

D. Stainless steel<br />

10. Which type <strong>of</strong> tank car is the most common?<br />

A. Pressure tank cars<br />

B. Non-pressure tank cars<br />

C. Cryogenic liquid tank cars<br />

D. High pressure tube cars<br />

9-10 <strong>Module</strong> 9: <strong>Control</strong> <strong>Techniques</strong>

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