ExxonMobil Test ExxonMobil Safety and Compliance 2

Question 1

What does a flammability range (Lower Explosive Limit to Upper Explosive Limit) indicate for a gas?

Accepted Answer

The concentration range in air within which the gas can ignite

Answer

The flammability range defines the concentration range (% in air) between which a gas mixture can ignite and burn.

Question 2

What is the hierarchy of controls in ExxonMobil's risk management framework, from most to least preferred?

Accepted Answer

Elimination → Engineering → Administrative → PPE

Answer

The hierarchy of controls prioritizes elimination, then engineering controls, administrative controls, and finally PPE as the last resort.

Question 3

What minimum level of oxygen concentration must be maintained in a confined space for safe entry?

Accepted Answer

19.5%

Answer

OSHA requires a minimum of 19.5% oxygen concentration for safe entry into a confined space.

Question 4

An ExxonMobil worker observes a colleague bypassing a safety interlock. What should the worker do first?

Accepted Answer

Stop the work and address the unsafe act immediately

Answer

Safety culture requires immediate action when an unsafe act is observed; bypassing interlocks creates serious hazards.

Question 5

What does the GHS (Globally Harmonized System) diamond-shaped hazard pictogram with a flame indicate?

Accepted Answer

Flammable material

Answer

The GHS flame pictogram indicates flammable materials, including flammable liquids, solids, gases, and aerosols.

ExxonMobil Test Practice Test