WorksheetsOISD 105 Awareness Quiz
Total questions: 30
Worksheet time: 10mins
a person who possesses a certificate of competency or electrical
work permit, issued by the appropriate Government required as per Central Electricity
Authority (Measures relating to Safety and Electric Supply) Regulations, 2010
Authorized person
Permit issuer
Permit requestor
Shift person
An activity which does not produce adequate heat to ignite a flammable air -
hydrocarbon mixture or a flammable substance
Hot work
Cold work
Composite wotk
All the above
Confined space: It is an enclosure that:-
has limited openings for entry and exit
has insufficient natural ventilation.
contain known or potential hazards.
All the above
An activity that can produce a spark or flame or other sources of ignition having
sufficient energy to cause ignition, where the potential for flammable vapour, gas, or dust
exists.
Cold work
Hot work
Composite work
Height work
Hot work includes
chipping by spark-producing tools
non-flame proof electrical equipment
equipment with internal combustion
engines
All the above
A designated person authorized to issue the work permit by an organization and
statutory guidelines
receiver
issuer
authorized person
all the above
the minimum concentration of a vapour in the air (or another
oxidant) below which flame propagation does not occur in contact with an ignition source
LEL
FEL
SIL
SEL
A substance capable of self-ignition on short exposure to air under
ordinary atmospheric conditions.
GAs
Ascorbic
Pyrophoric
Liquid
A designated person authorized to receive a work permit by an organization and
statutory guidelines
Receiver
issuer
composite
authorized person
Which are the objective of work permit system
It specifies the controls and precautions necessary to undertake the work safely,
It provides an ability to control work that might interact or conflict with ongoing operations or
other work permit activities.
ensures those people conducting the work know the exact nature of the task, including
hazards, restrictions, required precautions/ controls, time limitations, etc.
All the above
What is LEL?
Lowel flaming level
Lowel flammable level
Lower explosive limit
How many types of permit defined in OISD 105
2
3
4
5
Which code guides regarding permit system
OISD 105
OISD 117
OISD 224
OISD 226
(1)Cold Work Permit
(2) Hot Work Permit
(3) Confined Space Entry constitute a
hot work permit
cold work permit
composite work
none
machinery, blinding &
de-blinding, tightening of flanges, hot bolting, inspection, painting etc. shall be
HOt work
Cold work
composite work
All the above
Cold work activities might include a line break or blinding/ de-blinding on pyrophoric
service, which contains fire hazards due to entrapped residual traces of the pyrophoric
substance may be classified into
hot work
cold work
composite work
none
Excavation more than 1.2 meters deep is considered as
Confined space
Hot work
cold work
composite
an entry on a floating roof tank when the roof is more
than 3 meters down from the top, entry into internal floating roof tank, space located below
ground level such as a pit, drain channel is classified
Hot
Cold
Confined space
none
Permits for electrical isolation and energization shall be in _______sections
Section A&B
Section A&B&C
Section A&B&C&D
none
When JSA to be carried out
when SOP is not there
new work and unknown hazards
hot work
All the above
What if LOTO
Lock out Tag out
Lock outside Tag outside
Life out Tail Out
none
Who will impart Tool Box talk
Permit Receiver
Permit issuer
Authorized person
Ocuupier
How many copies of cold work permit to be taken as per 105
2
3
1
nil
How many copies of hot work permit to be taken as per OISD 105
2
3
4
5
In the case of hot work and confined space
jobs, the site visits shall be carried out at least
once
twice
thrice
nil
The _______ shall satisfy himself about the completion of the job (thoroughly check the
area for clearing of debris, removal of temporary electrical installation & machine, etc.)
before closing the permit.
Issuer
Receiver
Competent person
none
For how much time the permits needs to be preserved as per OISD 105
1 month after completion
5 month after completion
2 month after completion
3 month after completion
6 month after completion
Records of training and competence of personnel involved in the work permit system shall
be maintained
three years
one year
two years
6 months
What needs to be filed as per OISD 105 for further audits
Original along with other copies of work permits, supplementary checklists/ certificates,
JSA, and risk assessments
Original along with other copies of work permits
JSA, and risk assessments
supplementary checklists/ certificates
After office hours permit needs to be approved by
COM
SMNM
Shift person
Reciver
