A Hot Work Permit is required for grinding True or False?
Each refinery will have site specific policies for Hot Work Permits. True or False?
Which of the following is not one of the duties of a fire watch?
A. Continuously monitor the area of sparks
B. Wet the area if sparks or flames are outside the permitted area
C. Stop the job if sparks or flames are outside the permitted area. D. Get weld rod from the weld shop
(this multiple choice question has been scrambled)
How long must the fire watch stay on watch after the job is complete?
are methods of equipment isolation
Blinding, Lockout, Tagout
Two key ways of preventing injury during electrical equipment operation are
Insulation and Grounding
What is one of the most hazardous jobs in a refinery?
Entering a confined space
What are primary reasons for confined space entry?
Routine maintenance, inspecting and testing, emergency repair of mechanical failures and rescuing overcome or injured persons.
What are some of the characteristics of Confined Spaces?
Limited openings for entry and exit, unnatural ventilation, and not designed for continuous work occupancy.
An oxygen -deficient atmosphere has less than ______available oxygen
What are the hazards involved in entering and working in confined Spaces?
A. Oxygen-deficient atmosphere (less than 15% available oxygen)
B. Fires and explosions
C. Toxic atmospheres
D. General / Physical Hazards
The Lower Explosive Limit (LEL) is the minimum amount of vapor required to burn or explode. True or False?
What is the LEL?
Upper explosive limit, the maximum vapor in air that will burn
What would the safety watch (hole watch) instruct workers inside a confined space to do if the atmospheric analyzer indicates 50% LEL?
Evacuate the space immediately
The safety watch should not have any other duties but to serve as a safety watch and know whom should be notified in case of an emergency. True or False?
What is used to protect workers from unexpected start up and/ or release of stored energy?
What device can reduce electrical hazard such as electrical shock?
Ground Fault Circuit Interrrupter
What is one of the primary reasons for entering a confined space?
Cal-OSHA regulations for the Petroleum Industry states that the alarm should go off what percentage of the LEL ?