CPA Safety Standards & Regulations 3

Question 1

Which hazard communication standard requires Safety Data Sheets (SDS) to follow a standardized 16-section format?

Accepted Answer

OSHA HazCom 2012 (GHS-aligned)

Answer

OSHA's HazCom 2012 standard aligned US requirements with the Globally Harmonized System, mandating the 16-section SDS format for all hazardous chemicals.

Question 2

A 'hot work permit' is required before performing which activity in a petroleum facility?

Accepted Answer

Welding near flammable vapor sources

Answer

Hot work permits are mandatory before any spark- or heat-producing activity like welding near sources of flammable vapors to prevent ignition.

Question 3

Under DOT regulations, the four-digit identification number on a hazmat placard refers to the:

Accepted Answer

UN/NA identification number for the specific material

Answer

The four-digit UN/NA number on a hazmat placard identifies the specific hazardous material and links to emergency response information.

Question 4

What is the purpose of an atmospheric monitoring program in confined space entry at petroleum facilities?

Accepted Answer

To test for oxygen deficiency, flammable vapors, and toxic gases before entry

Answer

Atmospheric monitoring tests confined spaces for oxygen levels (19.5-23.5%), flammable vapor concentrations below 10% LEL, and toxic gas levels before workers enter.

Question 5

Which type of fire extinguisher is recommended for Class B fires involving flammable liquids such as gasoline?

Accepted Answer

Class B CO2 or dry chemical extinguisher

Answer

Class B fires involving flammable liquids are best suppressed with CO2 or dry chemical extinguishers that smother the fire without spreading the liquid.

(CPA) Certified Petroleum Apprentice Practice Test

(CPA) Certified Petroleum Apprentice Practice Test

CPA Safety Standards & Regulations 3