Module Test M12.1

Which is not a construction site physical hazard?

• A. Violence

• B. Noise

• C. Vibration

• D. Temperature

Extremes of either hot or cold is known as ………………?

• A. Noise

• B. Vibration

• C. Thermal

• D. Spillage

3. Which noise levels are rated between 50-60 decibels?

• A. Normal conversation

• B. Chainsaw

• C. Fire works

• D. rustling of leaves

4. What can be used if all options for eliminating or reducing the noise at the source are exhausted?

• A. Headphones

  D. Continue working

• B. Take a day-offs

• C. Earplugs

• D. Continue working

5. Identify the acceptable sounds workers can be exposed to?

• A. Sound less than 85 dB

• B. Sound greater than 85 dB

• C. 140 dB sound greater

• D. Continuous around 90 dB

6. What does NIOSH stand for?

• A. National Institute for Occupational Safety

• B. National Instruction for Occupational Safety

• C. National Institute for Occasional Safety

• D. National Institute for Operational Safety

7. What is depicted on the picture?

• A. Temperature measuring meter

• B. Voltage measuring meter

• C. Decibels measuring meter

• D. Vibration measuring meter

8. What a short-term and loud noise exposure can cause to an employee?

• A. a temporary change in sensing

• B. a temporary change in visionary

• C. a temporary change in breathing

• D. a temporary change in hearing

9. Identify the depicted picture?

• A. Custom molded ear plugs

• B. Sweets

• C. Foam ear plugs

• D. Silicon ear plugs

10. What is the advantage of using earmuffs?

• A. expensive to buy or to replace

• B. can be worn with minor ear infections

• C. requires adequate storage facilities

• D. can be inconvenient to use with other PPE