Work Environment Design – Quiz

What is the maximum stacking height for bagged materials like cement under OSHA 1910.176?

• 5 layers

• 7 layers

• 10 layers

• 15 layers

What is the purpose of "cross-keying" bags when stacking materials?

• To improve stability and prevent collapse

• To make the stack more visually appealing

• To reduce the weight of each stack

• To make it easier to remove bags from the bottom

What is the main focus of machine safety design according to ISO 12100?

• Increasing machine speed

• Reducing operator fatigue

• Preventing mechanical hazards and injuries

• Reducing electricity consumption

Which of the following is NOT an ergonomic principle under ISO 6385?

• Adjustable workstation height

• Proper seating with lumbar support

• High-intensity lighting in all areas

• Reducing repetitive motion tasks

What should be done when handling hazardous substances under the GHS system?

• Store chemicals in unmarked containers

• Follow proper labeling and use Safety Data Sheets (SDS)

• Mix hazardous chemicals to save storage space

• Keep all hazardous materials in the same area without segregation

True or False: Thai Labor Law requires all workplaces to provide clean drinking water and restrooms.

• True

• False

What is the minimum lighting level (in lux) recommended for general work areas under BS EN 12464-1?

• 100 lux

• 300 lux

• 750 lux

• 1000 lux

Which is a key requirement for emergency lighting under OSHA 1910.37?

• It must be solar-powered

• It should operate for at least 90 minutes during a power outage

• It should be red in color

• It must be installed only in storage rooms

Which practice prevents steel pipes from rolling in storage?

• Stacking them vertically

• Placing them on the floor

• Using chocks or securing in racks

• Covering with plastic wrap

How should flammable chemicals be stored in a lab?

• In a well-ventilated area, away from ignition sources

• In open containers for easy access

• On wooden shelves near electrical equipment

• In plastic bags labeled with hand-written notes