Work Environment Measurement (WEM) Quiz

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Questions and Answers

What is the primary purpose of Work Environment Measurement (WEM)?

  • To evaluate the quality of the workplace equipment
  • To measure the actual conditions of the working environment (correct)
  • To determine the productivity of employees
  • To monitor the overall health of employees

What type of sampling measures an employee's exposure from their breathing zone?

  • Use of Personal Monitoring Device (correct)
  • Area/Environment Sampling
  • High Volume Sampling
  • Low Volume Sampling

What is the primary function of a Lux Meter in WEM?

  • To measure illumination (correct)
  • To measure heat and temperature
  • To measure noise levels
  • To measure air velocity

What is the purpose of Threshold Limit Values (TLV)?

<p>To refer to exposure guidelines for airborne chemical compounds (A)</p> Signup and view all the answers

What type of analytical equipment is used to measure heavy metals?

<p>Atomic Absorption Spectrophotometer (C)</p> Signup and view all the answers

What is the recommended level of illumination for fine inspection and fine woodworking?

<p>500 lux (C)</p> Signup and view all the answers

What is the primary consideration for determining the degree of hazard from exposure to harmful environmental factors or stresses?

<p>All of the above (D)</p> Signup and view all the answers

What is the maximum concentration of exposure allowed for a worker in a 15-minute period without suffering from irritation or other adverse effects?

<p>TLV-STEL (D)</p> Signup and view all the answers

What is the purpose of TLV-C?

<p>To ensure that the concentration of exposure does not exceed a certain level at any time during the workday (D)</p> Signup and view all the answers

What is the total number of hours of work per week assumed for TLV-TWA?

<p>48 hours (D)</p> Signup and view all the answers

What is the minimum time required between exposure periods for TLV-STEL?

<p>60 minutes (D)</p> Signup and view all the answers

What is the table that provides information on Threshold Limit Values for airborne contaminants?

<p>Table 8 (A)</p> Signup and view all the answers

Flashcards

Work Environment Measurement (WEM)

The process of evaluating workplace conditions to measure aspects such as noise levels, air quality, lighting, and temperature.

Personal Monitoring Device

A sampling method used to measure an employee's exposure to airborne substances by attaching a monitoring device to their clothing near their breathing zone.

Lux Meter

A device used to measure the intensity of light in a workspace, expressed in lux units.

Threshold Limit Values (TLV)

Guidelines that define safe exposure limits for airborne chemical compounds, promoting worker health and safety.

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Atomic Absorption Spectrophotometer

A type of analytical equipment used in WEM to measure the concentration of heavy metals in various samples.

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500 lux

A recommended illumination level for tasks that require precision and detailed work, like inspecting small parts or crafting fine wood items.

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Degree of Hazard

The primary factor considered when assessing the potential harm caused by exposure to hazardous environmental conditions or stresses.

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TLV-STEL

The Short-Term Exposure Limit (STEL) represents the maximum concentration of exposure allowed for a 15-minute period without causing irritation or adverse effects.

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TLV-C

The Ceiling Limit (TLV-C) ensures that the concentration of exposure does not exceed a certain level at any time during the workday, regardless of duration.

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TLV-TWA

The Time-Weighted Average (TLV-TWA) assumes a standard 48-hour work week and represents the average exposure limit over the entire workday.

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60 minutes

The minimum time required between exposure periods for the TLV-STEL to allow for recovery and prevent cumulative exposure.

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Table 8

A table that provides comprehensive information on Threshold Limit Values (TLVs) for various airborne contaminants, serving as a reference for safe exposure levels.

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