OISD 105 Awareness Quiz

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