Question 1

Who puts in place a gas testing program?

Accepted Answer

division head, manager, supervisor

Question 2

Which gas requires a gas test before issuing a work permit?

Accepted Answer

toxic

Question 3

When must a gas tester be required to conduct a gas test?

Accepted Answer

when hazardous gases might be present

Question 4

Who can do the gas testing job?

Accepted Answer

only certified personnel

Question 5

What is the general instruction (GI) for work permits?

Accepted Answer

GI 2.100

Question 6

Where does a toxic gas gather if it is denser than air?

Accepted Answer

at the bottom

Question 7

Where would a toxic gas accumulate in a tank if the gas is lighter than air?

Accepted Answer

at the top

Question 8

The three elements necessary for a fire hazard to occur are fuel, source of ignition and what?

Accepted Answer

oxygen

Question 9

Which value would be in the flammable range of Acetone if the LEL is 2.15% and the UEL is 13%?

Accepted Answer

3.5%

Question 10

A toxic gas can______________?

Accepted Answer

poison

Question 11

What is the Threshold Limit Value (TLV) of a toxic gas?

Accepted Answer

the level at which you can safely be exposed day after day

Question 12

What can be a result of inhaling H2S?

Accepted Answer

difficulty breathing and death

Question 13

What does Saudi Aramco require before working in an area with toxic or flammable gas?

Accepted Answer

gas test

Question 14

Below which LEL level can a hot work permit be issued?

Accepted Answer

0%

Question 15

What gas is used for purging a vessel?

Accepted Answer

nitrogen

Question 16

What is the purpose of LOTO process?

Accepted Answer

isolate energy sources

Question 17

What should be done to control hazardous energy sources?

Accepted Answer

isolate

Question 18

What is an energy source that would need to be isolated for LOTO?

Accepted Answer

hydraulic

Question 19

What is a method of isolating a section of pipeline for LOTO?

Accepted Answer

closing and locking a valve

Question 20

What type of isolation on a pipeline supplying a tank should be done before working inside the tank?

Accepted Answer

blinding

Question 21

What is one of the main causes of incidents related to the LOTO procedure?

Accepted Answer

failure to clear the area before restarting

Question 22

What must be done to make equipment safe after it has been stopped?

Accepted Answer

remove residual energy

Question 23

What is the first step of the LOTO procedures?

Accepted Answer

prepare shutdown

Question 24

What is done during the LOTO procedure after isolation?

Accepted Answer

apply locks and tags

Question 25

What is the first step of the LOTO removal procedure after completing maintenance?

Accepted Answer

restore the work area

Question 26

Who should leave the area before the equipment is re-energized?

Accepted Answer

non-essential personnel

Question 27

Who should remove a LOTO tag(lock)?

Accepted Answer

the person who installed it

Question 28

When should a lock and tag be removed?

Accepted Answer

only when equipment is safe

Question 29

Who is authorized to remove a lock if the owner cannot be contacted?

Accepted Answer

shift superintendent

Question 30

When are the hazards of a work permit identified?

Accepted Answer

before the work permit is issued

Question 31

What does SMS stand for?

Accepted Answer

safety management system

Question 32

What is the vision of the Safety Management System?

Accepted Answer

to maintain world class safety

Question 33

What might happen if the work permit program is not followed?

Accepted Answer

damage to property

Question 34

What does Saudi Aramco recommend to use to identify hazards?

Accepted Answer

safety observation checklist

Question 35

How many safety precautions are entered in work permits to control the hazards?

Accepted Answer

minimum

Question 36

Name one purpose of opening an equipment in a process plant?

Accepted Answer

cleaning

Question 37

How can hazards be controlled in a plant?

Accepted Answer

engineering controls

Question 38

What color is a cold work permit?

Accepted Answer

blue

Question 39

Which releases require a release permit?

Accepted Answer

flammable, toxic and injurious material

Question 40

Identify an activity that requires a work permit?

Accepted Answer

welding

Question 41

When is the work permit considered renewed?

Accepted Answer

when the issuer and receiver come on the second shift and sign the work permit

Question 42

Why are work permits required in restricted areas?

Accepted Answer

to control potentially hazardous activities

Question 43

Give an example of a restricted area?

Accepted Answer

confined space

Question 44

Identify the name classified for a gasoline service station?

Accepted Answer

restricted area

Question 45

Which gas is generated during painting work or present in engine exhaust fumes in a confined space?

Accepted Answer

carbon monoxide

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