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WorksheetsPermit to Work Quiz
Total questions: 102
Worksheet time: 51mins
If the permit issuer must leave the permit control Centre, he must transfer the authority to another authorized person present there.
True
False
The minimum width for one way traffic is meters
2
3
4
5
The permit to work system is intended to ensure________________________
Personnel Safety
Environmental Safety
Plant & equipment integrity
All the above
A Drawing/Sketch of proposed site must be attached with excavation notification.
To identify underground/aboveground service
As a substitute for Excavation checklist
Both a & b
No need to attach a drawing or sketch
Who supervises the work at worksite
Permit Issuer
Permit applicant
Work site Supervisor
Safety officer
Road closure and temporary diversions must be communicated by the team through postmaster at least days in advance
2
5
7
14
How many manual works permit copies are needed?
1
2
3
4
Switching over equipment from operational mode to standby mode is a routine activity
True
False
Which of below is not energy isolating devices
A manually operated electric circuit breaker
A Disconnecting switch
Cut-out Fuse
Push buttons
Koc work permit procedure shall be applicable to contractor owned facilities (such as EPF/GSF)
True
False
What are the hazards that may be encountered while excavating or working inside trench
Cave-in
Accidental fall of personnel
Flammable Gas
All the above
Who ensures the safe preparation of worksite
Work site supervisor
Permit issuer
Permit Applicant
None of the above
Option 3
A zone in which a flammable atmosphere is likely to occur in normal operation (Typically 10 to 1000 hrs./years) is known as
Zone -0 Hazardous Area
Zone -1 Hazardous Area
Zone -2 Hazardous Area
None of the above
The permit issuer does not apply lock on energy isolating device to secure electrical isolation of the equipment or machines.
True
False
The Equipment instrument or Electrical power supply can be isolated by
Any person associated with the work
Work site Supervisor
Nominated and authorized person only
None of the above
How often should you inspect your PPE to ensure it's in good condition and functioning properly
Before each use
Once a week
Once a month
Once in year
Gas tests area mandatory prior to authorizing
Hot work
Confined space entry
vehicle/mobile plant entry -permits
All the above
..........is the device that uses a positive means such as lock to hold an energy isolating device in a safe position
Lock out device
Isolation Device
De-energized device
Maximum LEL (Lower explosive Limit) permissible for authorized hot work is
25%
50%
0%
10%
Facility inspection equipment testing and maintenance are non-routine activities
True
False
For which permit can the worksite supervisor leave the worksite if the permit applicant & permit issuer agrees to it?
Radiograph work
confined Space
Cold work
Hot work
Identify a manual handling activity from the following
Forklift operation
Manual Lifting
Lifting by crane
using hand tools
On completion of work, is it to be ensured that?
All tools and equipment have been removed as well as housekeeping competed, and work site has been visited by permit issuer & permit applicant
All isolation is removed, system/equipment purged and commissioned as necessary
Both above
None of the above
For excavation deeper than ____ a Confined Space entry permit is required
1000mm
1200mm
1500mm
2000mm
An authorized entrant is person stationed outside to confined space to monitor activities
True
False
Oxygen cylinders in storage shall be separated from fuel-gas cylinder or combustible materials (Especially oil or grease) to a minimum distance of or by a noncombustible barrier at least 5 feet (1.5m) high having a fire resistance rating of at least one-half hour
2 meters
6.1 meters
10 meters
20 meters
Who shall also keep a record of person entering/exciting the confined space
Worksite Supervisor
Foreman
Banksman
Standby man
When should a fire watch be assigned
For gas testing
For high-Risk job
For any hot job
During emergencies at site
Cold work permit has checklist for filling by issuer for?
Protective and safety equipment
Hazards
Precautions required
All the above
Any person can advise to stop the work if they observe any hazard or potentially hazardous condition.
True
False
What are the potential hazards while performing lifting operation?
Falling object
Collapse lift equipment due to overload
Overturning of the crane
All the above
Paint spraying and hand painting are not allowed during performance of the _______
Cold work
Hot Work
Vehicle/mobile plant entry
All the above
Cold work permits never required gas testing
True
False
Work permits that may interact or affect one another are cross-referenced clearly by
Worksite Supervisor
Permit Applicant
Permit Issuer
All the Above
At what decibels or more hearing protection devices are used?
80
85
90
100
Operator - II is authorized to issue cold work permit only
True
False
On completion of work the de-isolation must be carried out by nominated & authorized personnel only
True
False
Ventilation of confined space can be achieved by means of
Air Blowers
Blinding
Draining
All the above
What is the TLV of carbon monoxide (CO)?
10 PPM
20 PPM
25 PPM
0.5 PPM
What is the PPE required for grinding other than mandatory PPE
Face mask
Face Shield & Googles
SCBA
Earmuff
Grinding wheel can be stored in
Moisture area
Dry Atmosphere
Sandy Area
Oily Area
Who should understand the limitations and restrictions of the work permit in order that work may proceed safely?
Permit Applicant
Worksite Supervisor
Permit Issuer
All the above
An appropriate Landing Place of adequate size and strength shall be provided at every ______of vertical climb for the means of access when working at height
1.8 feet
2 feet
9 feet
20 feet
Access & egress to excavation can be provided by means of
Ladder
Ramp
Stairway
All the above
What is the maximum supply voltage allowed for a portable hand lamp inside confined space
24V
12V
36V
48V
In which situation is a chin strap for a helmet compulsory?
In high windy weather
Working at height
C) Option b)
All the above
Prior to Authorizing or starting Radiography work?
three-dimensional control area shall be designated and marked by barriers
All non-Affected people must vacate the area
All Other permits within the controlled area or as specified by permit issuer shall be suspended
All the above
What is the minimum distance required to place excavated material from the edge of the excavation (for excavation up to 1.2 meter)
1m
1.2m
1.8m
2m
Who issues the work permit authorization card
Safety Team
Concerning Controlling Team
Asset/Directorate HSE Team
None of the above
-------- is responsible for satisfactory handover of the worksite.
Permit Applicant
Permit issuer
Work site supervisor
All the above
In oil & gas Industry, gas tests are carried out to determine the presence of the following gases
Oxygen
Flammable gas
H2S
All the above
All work permits associated with the same work or equipment must not be cross referenced by mentioning the work permit in the box provided on each permit
True
False
What is an eWP
It is an electronic workflow system for the permit to work progress
It is electronic management of material stock
Is only database of work permit
None of the above
A Hot Work Permit is required for:
Welding
Cutting
Grinding
Any work involving a source of ignition, or a spark potential
Paint Spraying or Hand Painting is not permitted during:
A Dangerous situation within the Plant
Radiography Work
Hot Work
All the above
Equipment and Vessels must be.......................... before entering:
Gas freed & purged
Drained & vented
Isolated and blinded.
All the above
Equipment to be worked on must be properly prepared, such as:
Positively isolated from all sources of energy
Depressurized, Decontaminated, Flushed or Purged as per the work requirements
Valves Isolated and Vents / Drains kept open / closed must be marked on the P&ID
All the above
A person working inside a vessel must wear a .......................so that man Standby Man outside the vessel can keep in contact with him:
Mask
Lifeline
Helmet
Boiler Suit
A Self-Contained Breathing Apparatus (SCBA) shall be used where there may be:
High concentrations of a toxic substance
An Oxygen deficient atmosphere
An Environment considered hazardous to life
All the above
Heavy lifting with Cranes in a hazardous area will require:
No permit
A Hot Work permit
A Cold Work permit
All the above
Scaffolding work in a hazardous area will require:
No permit
A Hot Work permit
A Cold Work permit
All the above
Work involving the use of a Radioactive source will require:
No permit
A Hot Work permit
A Cold Work permit
A Radiography permit
In the event of a dangerous situation occurring at the Worksite or adjacent facilities:
The work must stop immediately
The workers shall report to their designated Assembly Points, after making the worksite safe
The work will not be re-commenced until cleared to do so by the Permit Issuer
All the above
There is no need to stop working
When noticing a potential hazard, the work can be stopped by:
The Permit Applicant or the Permit Issuer
Personnel from the Fire Team, HSE Team or Safety Team
Any person can advise stopping work on noticing a hazard or potentially hazardous condition
No one can stop the work
The Equipment, Instrumentation or Electrical Power supply can be isolated by:
Any person associated with the work
A nominated and authorized person only
There is no need to carry out such isolation
The Worksite Supervisor
Gas Tests shall be conducted using:
An appropriate, duly calibrated and reliable gas detector
By observing the smell of gas in the work area
Any gas detector irrespective of its duty
None of the above
Gas Tests shall be carried out prior to authorizing:
Hot Work / Cold Work Permit
A Confined Space Entry Permit
A Vehicle or Mobile Plant Entry Permit
All the above
The Worksite where Hot Work is to be carried out shall have a minimum of:
2 Fire Extinguishers (9 kg capacity if Monnex, 12 kg capacity if DCP)
A 2.5-inch diameter Fire Hose, connected to a Fire Hydrant and pressurized
Both above
Any of the above
Excavation Work below 1.2 meters in depth will additionally require a Confined Space Entry Permit:
True
False
A drawing / sketch of a proposed worksite must be attached to the Excavation Notification:
To identify underground / aboveground services
To specify the required precautions
To assess the potential hazards
All the above
There is no need to attach a drawing / sketch
A Confined Space must be positively isolated from all processes & utility systems by:
Blanking or Spading
Disconnecting lines and blanking open ends
Any of the above
There is no need to isolate
Prior to authorizing or starting Radiography Work:
A three-dimensional control area shall be designated and marked by Barriers and Radiation signs
All non-classified people must vacate the area
All other Work Permits within the controlled area, or as specified by the Permit Issuer, shall be suspended
All the above
Work Permit can be authorized by:
Any person associated with the work
The Permit Applicant
The Permit Issuer / Asset Owner (as instructed in the Fire & Safety Regulations)
The Worksite Supervisor
An authorized Work Permit can be endorsed by:
Any person associated with the work
The Person (Shift Controller / Asset Owner) as instructed in the Fire & Safety Regulations
An authorized Gas Tester
There is no need to endorse the Permit
On completion of the work, it is to be ensured that:
All Tools and Equipment have been removed as well as housekeeping completed, and the worksite has been visited by the Permit Issuer and Permit Applicant
All Isolations have been removed, and the system / equipment purged and commissioned as necessary
Both above
None of the above
Hot Work Permit is required for-
Welding
Burning
Grinding
Any work involving source of ignition or spark potential work
Spray Painting or hand painting is not permitted during:
Dangerous situation in the plant
Radiography Work
Hot Work
All the above
Equipment to be worked must be prepared properly such as -
Positively isolated from all sources of energy.
Depressurized, de-contaminated, flushed or purged as per job requirement
Isolated Valves, spades & Vent or Drain kept open / close must be marked on P&ID
All the above
Which of the following is/are true regarding the gas test for permitting the work-
Prior to starting work activity in each shift.
Prior to work start after any break or interruption of work.
Gas test as per frequency mentioned in the work permit.
All the above
A and C only
The frequency of inspection and certification of the erected Scaffold should be-
One month from the day of earlier inspection and certification
Every day
Once a week
No need for further inspection and certification
A work involving use of radioactive sources will require -
No permit
Hot work permit
Cold Work permit
Radiography Permit
In case of dangerous situation at worksite or adjacent facilities -
The work must stop immediately
The workers shall report to the designated Assembly Point after making the worksite safe.
The work will not commence until it is cleared up to do so by the Permit Issuer.
All the above
No need to stop working
Noticing a potential hazard, the work can be stopped by -
Permit Applicant or Permit Issuer
Personnel from Fire Team, HSE Team or Safety Team
Any person can stop working, noticing a potentially hazardous condition.
No one can stop the work
The equipment, instrumentation or electrical power supply can be isolated by -
Any person associated with work.
Nominated & authorized person only
No need to carry out such isolation.
Worksite Supervisor
Gas test shall be carried out prior to authorizing -
Hot work permit / Cold Work Permit
Confined Space Entry
Vehicle or Mobile Plant Entry
Process override
a), b) and c) above
The worksite where hot work is to be carried out should have minimum -
Two fire extinguishers of 9 Kg capacity. Monnex / 12 Kg. DCP
2 %" diameter duly pressurized water hose connected to fire hydrant.
a trained and certified Fire watch
only a) and b)
a), b) and c)
Excavation work below 1.2-meter depth will additionally require 'Confined Space Entry Permit'
True
False
The Confined space must be positively isolated from all processes & utility system by -
Blanking or spading
Disconnecting the lines and blanking open end
Only shutting the valve
a) and b) above
All the above
The confined space must be tested prior to entry into any vessel:
Oxygen
Flammable vapors
Toxic gases
b) and c) only
a), b) and c) only
Work Permit can be authorized by –
Any person associated with work
Permit Applicant
Permit Issuer / Asset Owner as instructed in KOC Permit to Work Procedure.
Worksite Supervisor
An authorized work permit can be endorsed by
Any person associated with work
Person (shift controller / asset owner) as instructed in KOC Permit to Work Procedure.
By authorized gas tester
No need to endorse the permit
On Completion of Work - it is to be ensured that
All tools & equipment have been removed as well as housekeeping completed, and worksite has been visited by Permit Issuer & Permit Applicant.
All isolations are removed, system / equipment purged and commissioned as necessary.
Work permit signed off.
a) and c)
a), b) and c)
What is the validity period of a vehicle entry permit?
Valid for one day/shift.
Valid for a maximum of seven days.
Valid for the same period the associated Cold or Hot PTW is valid for.
Validity is determined by PTW Applicant.
What is the validity period of a mobile plant entry permit?
Valid for one day/shift.
Valid for 7 consecutive working days from the date of issue
Valid for the same period the associated Cold or Hot PTW is valid for.
Validity is determined by PTW Applicant.
Gas testing required for coldwork permit
True
False
Who is responsible for making changes /closing permits?
PTW Issuer.
PTW Applicant.
PTW Holder
Safety Engineer
If changes or modification in PTW will the PTW closed
True
False
Who is the authority in PTW other than permit applicants and issuer?
PTW Holder (WSS)
Safety officer
PTW coordinator
Safety engineer
PPE is required other than mandatory PPE for grinding works.
Coverall
Face Shield/Goggles.
Earmuff.
Helmet
Radiography allowable limit for whole body is.
20 mSv/year
10msv/year
2000 mrem
Both (a) and (c)
How many fire extinguishers are kept along with equipment (air compressor, welding machine etc.,
1
2
3
4
Safe distance maintains during hot work
5 meters.
1 meter.
6 meters.
10 meters.
