Work Permit Test:-
1) Which of the following is not an authorization?
a) Vehicle safety certificate
b) Electrical Isolation tag
c) Excavation
d) Confined Space entry
Answer: b) Electrical Isolation Tag
2) With in ---- meters of hot work site dry vegetation, oil deposits etc, should be removed?
a) 10
b) 8
c) 12
d) 9
Answer:b) 8
3) Contractors vehicle/Equipment shall have a safety certificate issued by----?
a) Safety
b) Workshop Engineer
c) Maintenance Foreman
d) Operations supervisor
Answer: a) Safety
4) Intrinsically safe instruments can be used with following permit?
a) Cold Work
b) Hot Work
c) No Permit
d) All the above
Answer: a) Cold work
5) Confined Space entry permit is required for entry on a floating roof tank where roof is down from the top more than-----?
a) 3.0 Mtrs
b) 4.0 Mtrs
c) 5.0 Mtrs
d) 1.0 Mtrs
e) None of the above
Answer: a) 3Mtrs
6) Extinguisher used for hot work standby should bear a certificate from---?
a) Operations
b) Maintenance
c) Contractor
d) Fire & Security
e) None of the above
Answer : d)Fire & Security
7) Use of X-ray generator requires the following permit----?
a) Hot work
b) Cold work
c) X-Ray Certificate
d) None of the above
Answer : a) Hot Work
8) Waiver in case of excavation authorization can be issued by-----?
a) Shift controller
b) Shift Leader
c) Safety Engineer
d) General Superintendent operation
Answer: b) Shift Leader
9) What is the maximum oxygen % in an inert entry?
a) 15%
b) 19.5%
c) 10%
d) 5%
Answer: d) 5%
10) What is the TLV of Ammonia?
a) 20 ppm
b) 25 ppm
c) 30 ppm
d) 35 ppm
e) None of the above
Answer : b) 25ppm
11) What is the TLV of Sulphur dioxide?
a) 1 ppm
b) 2 ppm
c) 5 ppm
d) 10 ppm
e) None of the above
Answer : b) 2 ppm
12) What is the permissible level of LEL of combustible gas for hot work permit?
a) 1 %
b) 5%
c) 10%
d) 20%
e) None of the above
Answer : a) 1%
13) Vessel Entry with breathing apparatus is allowed if H2S level is below?
a) 200 ppm
b) 100 ppm
c) 150 ppm
d) 250 ppm
e) None of the above
Answer : b) 100 ppm
14) Gas test is conducted for issue of work permit in operations area by-----?
a) Safety Engineer
b) Contractor
c) Operation personnel
d) Authorized gas tester from operation
Answer: d) Authorized gas tester from operation
15) Who conducts gas test outside operations area for issuing work permit?
a) Operation Personnel
b) Fire officer
c) Safety Engineer
d) Maintenance personnel
e) None of the above
Answer: c) Safety Engineer
16) Which of the following does not require a work permit?
a) Use of intrinsically safe battery operated item
b) Relamping in offices
c) Routine maintenance in work shop
d) All the above
e) Only b) & c) above
Answer: e) Only b) & c) above
17) Original copy of the work permit should be at-----?
a) With the Issuing authority
b) With the Receiving authority
c) At work site
d) With the contractor
Answer: c) At work site
18) What is the maximum validity of a work permit-----?
a) 8 hours shift only
b) Working day only
c) Either a) or b)
d) None of the above
Answer: c) Either a) or b)
19) Completed work permit should be closed and filed for minimum 30 days by-----?
a) Issuing authority only
b) Receiving authority only
c) Both the above
d) None of the above
Answer: c) Both the above
20) A work permit can be suspended in case of violation by the following-----?
a) Issuing authority
b) Safety
c) Any of the above
d) None of the above
Answer: c) Any of the above
21) Hot tapping shall not be allowed for the lines containing the following-----?
a) Compressed Air
b) Hydrogen
c) Oxygen
d) All the above
Answer: d) All the above
22) Hot tapping/bracket welding on a tank can be permitted only when the hydrocarbon level is minimum-------cms above the welding spot?
a) 100 cms
b) 200 cms
c) 90 cms
d) 50 cms
Answer: c) 90 cms
23) For Entering a crane into a running plant,following is required?
a) A spark arrestor
b) A Vehicle entry permit
c) A white safety certificate
d) A heavy driving licence
e) All of the above
Answer:b) A Vehicle entry permit
24) Permit for cutting scrap line outside the operating area fence will be issued by-----?
a) Safety Section
b) Shift leader
c) Operations
d) None of the above
Answer: a) Safety Section
25) In normal circumstances, who is the lowest level to sign a permit?
a) Assistant Foreman
b) Foreman
c) Technician
d) None of the above
Answer: c) Technician
26) What is the permissible level of LEL of combustible gas for cold work with respiratory protection?
a) 10 % LEL
b) 20% LEL
c) 50% LEL
d) 100% LEL
Answer: b) 20% LEL
27) In electrically multi locking system, the involved personnel in locking and tagging are-----?
a) Safety,Instrumentation,Operations
b) Electrical, Mechanical,Safety
c) Electrical,Operations,Mechanical
d) All groups working on electrically isolated equipment
Answer: d) All groups working on electrically isolated equipment.
28) In case of working on impressed current cathodically protected pipelines,Corrosion section to be informed at least -----hrs in advance-----?
a) 8 hrs
b) 24 hrs
c) 1hr
d) None of the above
Answer: b) 24 hrs
29) Life buoys with -----mtr line should be at piers at work location?
a) 10 mtr
b) 20 mtr
c) 25 mtr
d) 30 mtr
Answer: d) 30 mtr
30) If the job is not completed, what will you with the permit---?
a) Close the permit
b) Write job continues on the permit and sign closure
c) Destroy the permit
d) None of the above
Answer: b) Write job continues on the permit and sign closure
CHOOSE WHETHER THE FOLLOWING STATEMENTS ARE TRUE or FALSE
31) Only 24V lamps should be used in confined space
a) True
b) False
Answer: a) True
32) Gas test is required for only hot work in Hazardous area
a) True
b) False
Answer: b) False
33) Electrical isolation tag is authorization
a) True
b) False
Answer: a) True
34) Work permit is to be renewed if job is started with in 2hours of issue of permit
a) True
b) False
Answer: a) True
35) Safety Engineer has to sign the permit in operation area
a) True
b) False
Answer: b) False
36) Key should be transferred & multi lock signatures renewed when permits are renewed
a) True
b) False
Answer: a) True
37) Gas Masks can be worn if toxic atmosphere is known and not IDLH
a) True
b) False
Answer: a) True
38) Intrinsically safe battery operated meters require hot permit
a) True
b) False
Answer: b) False
39) In case of toxic concentration, attendant shall remain in upwind direction of the job site
a) True
b) False
Answer: a) True
40) Entry of vehicles in to Division-2 hazardous area requires hot work permit
a) True
b) False
Answer: a) True
CHOOSE THE TYPE OF WORK PERMIT REQUIRED FOR THE FOLLOWING JOBS.
41) Welding in confined space----
a) Hot
b) Cold
c) Excavation
d) Entry
Answer: a) Hot & d) Entry
42) Servicing Valves in work shop
a) Hot
b) Cold
c) Entry
d) No Permit
Answer: d) No Permit
43) Radiography on pipe line
a) Hot
b) Cold
c) Entry
d) No Permit
Answer: b) Cold
44) Inspection with non intrinsic battery operated meters
a) Hot
b) Cold
c) Entry
d) No Permit
Answer: a) Hot
45) Mechanical excavation
a) Hot
b) Cold
c) Entry
d) No Permit
Answer: a) Hot
46) Cleaning in process drum
a) Hot
b) Cold
c) Entry
d) No Permit
Answer: b) Cold
GENERAL PROCEDURES
47) What is the speed limit inside the Refinery?
60KM/Hour – Main Road
30KM/hour _ Inside Refinery
48) What are the Transfer Point?
Series of areas inside refinery where people go to be transported out.
49) What to do in case of chemical splash on your body?
Immediately take a shower to wash the chemical on the body.
50) When is the confined space entry required in excavations?
When it has depth of 1.2meters and above.
51) What fire extinguisher is to be used when havinf gas fore?
Dry chemical
52) What are all the type of permit?
Cold-Green
Hot – Red
Confined Space- Yellow
53) When to Class work permit and how to Class?
When the job is completed the work permit has to be closed and to close it you have to bring all the copies of the work permit and executing authority and issuing authority has to sign agreeing of the completion and house keeping.
54) Who fill up the work permit?
The issuing authority filled up the work permit.
55) What to do when there injury?
Administer First aid,but serious don’t touch the injured and call immediately the refinery clinic.
56) When is excavation authorization required?
If the excavation is 500mm and above.
57) What is the role of inspection sup.in the work permit?
To check or inspect maximum allowable pressure, temperature and thickness on hot tapping work or work on tank roof (4.8mm).
58) How many times can be the work permit renewed?
It can be renewed two(2) times.
59) What is pyrophoric iron or substance?
A substance when expose to heat suddenly ignites.
60) What is the validity period of work permit?
When permit is validity for period of 8 Hours
61) What is the transfer of responsibility of super-vision?
In case the supervisor who received the permit leave the site at any time he should obtain permission from issuing authority for another supervisor to take his place.
62) What are the requirements for issuing entry permit for crane to an operations plant?
a) Third party inspection certificate
b) Safety certificate
c) Hot work permit
d) Valid operators license
63) Conditions of renewing the work permit?
a) Validity Expires
b) Work stoppage due to fire or accident
c) Emergency evacuation
64) What to do in case of emergency
a) Stop the Job
b) Evacuate the area
c) Go to the nearest transfer point
64) What precautions to take in carrying out hot work in operating plant?
a) Gas test should be conducted
b) Fire Protection
c) Fire watch
d) Secure hot work
65) How many copies do the work permit have?
a) Original
b) 1st Copy (Issuing authority)
c) 2nd Copy (Field operator)
d) 3rd Copy (Fire and Safety)
66) What is the role of Engineer/Supervisor on the work permit?
To see to it that the job is carried out according to the work permit condition in such a way it is done safely.
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