Confined Space 2

What is confined space

• Area which open air

• Area Which have limit of entrances and not enough ventilation

Which one not confined space

• Tank

• Container

• Silos

• Canteen

Atmospheric oxygen levels below _______ at level is considered as hazardous atmosphere in confined space.

• 19.5 %

• 19.6 %

• 18.5 %

• 18.6%

The entry supervisor must cancel entry permit when_____

• An assignment is completed.

• New conditions exit

• Both the option are correct

The OSHA confined space standard requires that the employer keep all canceled entry permits for at least

• 1 year

• 2 years

• 6 months

• 1.5 years

Which one is equipment for safe entry in confine space

• Ventilation

• Lighting equipment

• Retrieval devices

• All of above

Ventilation helps in which of the following

• Control head and humidity,provide oxygen.

• Improves illumination levels.

Who is not relevant person and authority

• Worker

• Attendent

• Rescue service team

• Seller

Which one is equipment for safety entry space

• 
• 
• 
• 

Atmosphere oxygen levels above _____ at level is considered as hazardous atmosphere in confined space.

• 21.5

• 22.5

• 23.5

• 25.1