BEA Block 4 Latest Update 2025-2026 Actual Exam 105 Questions with 100% Verified Correct Answers Guaranteed A+ Verified by Professor
Administrative - CORRECT ANSWER: Are frequently used with existing processes
where hazards are not particularly well controlled. They consists of managerial efforts to reduce hazards through planning, training, job rotation, reduction of exposure time and written policies and procedures.
Advantages of Dilution Ventilation - CORRECT ANSWER: - Lower equipment and
installation costs
- Requires less maintenance
- Effective control for small amounts of low toxicity chemicals
Advantages of LEV - CORRECT ANSWER: - Air volume
-Lower operating cost
- Contaminant dispersion
- Minimizes worker exposure
Air Changes Per Hour (ACH) - CORRECT ANSWER: How many times the air volume is
replaced in one hour of time.
Air Cleaner - CORRECT ANSWER: Scrubs, separates, removes, or filters the
contaminant from the air.
Air Purifying Element - CORRECT ANSWER: Designed to remove contaminant from the
air.
Air Purifying Respirator Advantages - CORRECT ANSWER: - Lightweight
- Use in tight spaces 1 / 2
- Worn for longer periods
Air Purifying Respirator Disadvantages - CORRECT ANSWER: - Not used in IDLH
- Not used on oxygen deficiency
Air-Purifying Respirator (APR) - CORRECT ANSWER: Respirator with a filter or
cartridge or canisters that removes specific air contaminants by passing ambient air through the air purifying element.
Airline Respirator Advantages - CORRECT ANSWER: - Can use in IDLH
- Can use in oxygen deficiency
- Can use for longer periods
Airline Respirator Disadvantages - CORRECT ANSWER: - Not lightweight
- Hose length limits movement
- Hose may tangle or crimp
Airline Respirators - CORRECT ANSWER: Connected to a source of clean air by a
breathing air hose.
Assigned Protection Factor - CORRECT ANSWER: Level of respiratory protection
expected to be provided by a properly functioning respirator.
Assigned Protection Factor - CORRECT ANSWER: Level of respiratory protection
expected to be provided.
Atmosphere Supplying Respirators - CORRECT ANSWER: Provide air either from a
clean area or from a compressed breathing air, can be used in oxygen deficient atmospheres.
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