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New PTW Exam

Total questions: 111

Worksheet time: 1hrs 12mins

Name
Class
Date
1.

Who are authorized to stop the work in the event of a work permit violations,unsafe acts or unsafe conditions

a)

Permit Applicant and Permit issuer

b)

Fire Team

c)

HSE Team and HSE Group

d)

All of the above

2.

Which one of below considered as a " Critical Lift"?

a)

Lifting that compromises 70 to 90% of Crane Capability

b)

Weight more than 50 Tons

c)

Lifting less than 5m to an existing facility

d)

All of the above

3.

Mechanical Excavation is not allowed inside the plant or facility

a)

True

b)

False

4.

Work Permit will be made out in four (4) copies.The original will be kept by the worksite supervisor for worksite.

a)

True

b)

False

5.

KOC allows the workers to go inside confined space area without awareness session

a)

True

b)

False

6.

Confined Space entry is valid for ..............................?

a)

3 Consecutive working days

b)

7 Consecutive working days

c)

One Continuous work shift

d)

5 Consecutive working days

7.

What is the KOC Emergency Contact Number

a)

112

b)

101

c)

160

d)

150

8.

Who should understand the limitations and restrictions of the work permit in order that work may proceed safely?

a)

Permit Applicant

b)

Worksite Supervisor

c)

Permit issuer

d)

None of the above

9.

The Excavation without using any powered equipment is called

a)

Mechanical excavation

b)

Manual Excavation

c)

Confined Space

d)

Slit trenching

10.

During Excavation,the use of Mechanical Excavations require cold work permit

a)

True

b)

False

11.

The KOC permit to work procedure shall be applicable to .....................................?

a)

Contractor owned facilities

b)

Contractor site offices

c)

New facility under construction

d)

All the above

12.

The maximum validity period for confined space entry permit and vehicle entry permit is

a)

24 hours work shift

b)

One continuous work shift

c)

Seven consecutive / Continuous days

d)

All the above

13.

The Permit for worksites shared between KOC & other external agencies ( such as KNPC, MEW, Municipality, etc) shall be routed through ......................................

a)

HSE Group

b)

Local Relations Team

c)

Asset HSE Team

d)

Asset Owner

14.

In case of two asset owners ( production operations & Gas Operations) in the same work location, the endorsement from the 2nd Asset owner may be taken in the 'Transfer of Responsibilities'

a)

True

b)

False

15.

Any override/normalization of ESD Trip or Safety Critical Equipment or Fire & Gas Detectors requested by the contractor, has to be risk assessed, by KOC Instrument engineer before it is reviewed by Operator -1 and approved by the shift controller ?

a)

False

b)

True

16.

Boundaries with maximum allowable radiation level of ................................ shall be roped off.

a)

0.25 mrem/hr

b)

0.25 µSv/hr

c)

2.5 mrem/hr

d)

None of the above

17.

Which of these is a respiratory protection during asbestos removal ?

a)

Disposal Coverall

b)

Mask with Filter

c)

Protective Gloves

d)

Protective goggles

18.

What is Risk?

a)

The Cause of an accident

b)

The effect of an accident

c)

Product of the likelihood of the event and the magnitude (Severity) of the outcome of that event

d)

Highly potential danger

19.

Permit Issuer Checks the following prior to signing off to close the work permit

a)

All isolations are removed

b)

The equipment is reinstated

c)

System and equipment purged and aligned as necessary

d)

Both A & C

20.

A person representing the controlling team who has been authorized by the respective team leader to supervisor the work at the worksite is

a)

Worksite Supervisor

b)

Permit Applicant

c)

Permit Issuer

d)

Gas tester

21.

Routine activities require work permits

a)

True

b)

False

22.

On Completion of work-it is to be ensured that ?

a)

All tools & equipment have been removed as well as housekeeping completed and work site has been visited by permit issuer & Permit applicant

b)

All isolation are removed,System / equipment purged and commissioned necessary

c)

Both of the above

d)

None of the above

23.

How often should you inspect your PPE to ensure it's in good condition and functioning properly?

a)

Before each use

b)

Once a week

c)

Once a month

d)

Once a year

24.

All electrical equipment are considered to be energized until proven otherwise (using a meter /tester)

a)

True

b)

False

25.

Authorized Gas tester means

a)

Successfully completed training on gas tester certification

b)

Nominated by Controlling Team

c)

Can Carryout gas test for any work permit related activity except " Confined Space entry"

d)

All of the above

26.

Excavation Notification followed by " Work permit" is issued whenever there is need to dig / slit trench the ground ...............................

a)

More than 1 Meter deep

b)

Regardless of depth

c)

2 Meter depth

d)

More than 2 Meter

27.

Which of the following is / are considered as confined space in KOC

a)

Inside Hydrocarbon vessel

b)

1 Meter deep excavation

c)

Working on scaffolding in side room of new building

d)

All of the above

28.

An unplanned or Uncontrolled event or chain of events that has not resulted in harm to personnel / Property/ Environment?

a)

Incident

b)

Hazardous Condition

c)

unsafe act

d)

Near Miss

29.

Confined Space Entry Permit and Vehicle / Mobile Plant Entry Permit are valid for entry as well as work Purposes too

a)

True

b)

False

30.

Improper Manual handling may result in

a)

Respiratory illness

b)

Burns

c)

Musculoskeletal Disorders

d)

None of the Above

31.

Operator-II is authorized to issue Cold Work permit Only

a)

True

b)

False

32.

In Case there is a need of responsibility transfer ( for Permit Applicant / Worksite Supervisor) more than once during the permit validity period then.

a)

Existing Permit has to be cancelled and a new Permit is to be applied

b)

Allow responsibility transfer on the same permit

c)

Issue a new permit as attachment to the existing Permit

d)

None of the above

33.

What are the hazards that maybe encountered while excavating or working inside a trench ?

a)

Cave -Ins

b)

Accidental fall of personnel

c)

Flammable Gas

d)

All of the Above

34.

The Mobile Plant ( Such as air Compressor, Welding Machine,etc) must have at least....................... fire extinguishers duly approved by Fire team?

a)

One

b)

Two

c)

None

d)

All the above

35.

Where should the worker go on hearing the dangerous situation alarm?

a)

Site office

b)

Open area

c)

Safe Assembly Point

d)

Continue the work

36.

Permit Issuer ( belonging Asset owner from KOC) will also identify the critical works

a)

True

b)

False

37.

Isolation Multi-lock and tag are an integral part of the 'Work Permit System'?

a)

False

b)

True

38.

The Permit to work system is intended to ensure ...............?

a)

Personnel Safety

b)

Environmental Safety

c)

Plant & Equipment integrity

d)

All the above

39.

A person representing the controlling team who has been authorized by the respective Team Leader to Supervise the work at the worksite is

a)

Worksite Supervisor

b)

Permit Applicant

c)

Permit Issuer

d)

Gas tester

40.

.............. is required where acids,corrosives or other such hazardous materials are used/handled

a)

First Aid Box

b)

Emergency Showers

c)

Eye Baths & Wash Solution

41.

Inherently Fire Resistant (IFR) coverall along with suitable aprons,sleeves and leggings are mandatory for all welding and cutting jobs.

a)

True

b)

False

42.

Who shall arrange for equipment preparation eg depressurizing ,Draining,Flushing,Purging and any process,mechanical,Safety and electrical isolations?

a)

Permit applicant

b)

Permit Issuer

c)

Both permit applicant and issuer

d)

Worksite supervisor

43.

All personnel associated with PTW should have completed training on the PTW system and have passed the qualifying test

a)

True

b)

False

44.

Three-dimensional control area shall be designated and marked by barriers for .............. work?

a)

Hot

b)

Radiography

c)

Cold

d)

All the above

45.

What device uses a positive means, such as a lock, to hold an energy isolating device(s) in a safe or "off" position?

a)

Isolation Device

b)

Lock out Device

c)

De-energized Device

d)

Tag out device

46.

For excavation deeper than 1.2m,confined space entry permit is required

a)

True

b)

False

47.

Switching over of equipment from operational mode to standby mode is a routine activity?

a)

True

b)

False

48.

Hot work Permit is required for?

a)

Welding

b)

Burning

c)

Grinding

d)

Any work involved source of ignition or spark potential work

49.

The cardholder must get the work Permit Authorization Card revalidated on its expiry date every............ Year(s) or contract period, whichever is earlier, the required training and testing.

a)

1

b)

2

c)

3

d)

4

50.

In the event of work permit violation the following are authorized to stop the work

a)

Permit issuer or Permit applicant

b)

Fire Team/HSE Team/HSE Group

c)

A & B

d)

Any Person

51.

The Threshold Limit Value ( TLV-TWA) for H2S is

a)

10 ppm

b)

15 ppm

c)

50 ppm

d)

100 ppm

52.

KOC allows the workers to go inside confined space area without awareness session

a)

True

b)

False

53.

What is the minimum distance allowed to place excavated material from the edge of the excavation?

a)

1 m

b)

1.2 m

c)

1.5 m

d)

3 m

54.

Confined Space Entry Permit and Vehicle / Mobile Plant Entry Permit are Valid for ?

a)

Entry Purpose Only

b)

Work Purpose Only

c)

All the above

d)

None

55.

Personnel working inside the vessel/tank will be given a rest period at each interval, or more frequently depending upon prevailing conditions such as heat stress, humid atmosphere, etc.

a)

15minutes

b)

20 Minutes

c)

25 Minutes

d)

30 Minutes

56.

In case of emergency, the section head can waive the requirement of excavation authorization to carry out an urgent job.

a)

True

b)

False

57.

Duties of a confined space attendant include

a)

Watch the area around the space

b)

Monitor and communicate with entrants

c)

Know signs of a problem

d)

All of the above

58.

In Case of emergency situation at worksite or adjacent facilities

a)

All work must stop immediately

b)

Workers must report to the designated Assembly point after making the worksite safe

c)

Work must not commence until Permit is endorsed / renewed by the Permit issuer

d)

All of the above

59.

Heavy lift with Cranes requires

a)

No permit

b)

Hot Work Permit

c)

Cold Work Permit

d)

Radiography permit

60.

A Copy of work permit should be available at

a)

Worksite

b)

Site office

c)

Permit Applicant office

d)

None of the above

61.

Wire rope shall not be used if, in any length of eight diameters, the total number of visible broken wires exceeds percent of the total number of wires, or if the rope shows other signs of excessive wear, corrosion , or defect

a)

5

b)

10

c)

30

d)

50

62.

Equipment or systems where electrical or mechanical energy has been released by disconnecting power, discharging all capacitors, short circuiting, and grounding all high capacitance elements etc, is called

a)

Isolation

b)

Lock out

c)

De-energizing

d)

Tag out

63.

The Load should be controlled by

a)

Web slings

b)

Wire ropes

c)

Tag Lines

d)

None of the above

64.

Hot tapping site,Warning barricade shall be provided with a horizontal radius not less than meters

a)

5

b)

10

c)

15

d)

50

65.

Signs of lack of Oxygen may include

a)

Shortness of breath

b)

Coordination problems

c)

Weakness

d)

All of the above

66.

Which Switch is providing safety for grinding machine

a)

On/off switch

b)

Dead Man Switch

c)

Off Switch

d)

None of the above

67.

What is the minimum distance required to place excavated material from the edge of the excavation( for excavation up to 1.2 meter)?

a)

1m

b)

1.2m

c)

1.8m

d)

2m

68.

Heavy equipment shall be kept clear from the excavation area at least

a)

1m

b)

2m

c)

3m

d)

4m

69.

Any person is authorized to STOP the work in the event of a work permit violation,unsafe acts or unsafe conditions

a)

True

b)

False

70.

An Operator /user who identifies a defective abrasive wheel

a)

Use as it is

b)

Remove it from service.tag it

c)

Rectify himself

d)

No need to inform supervisor

71.

A hot work permit is required for any work involving the source of ignition or spark-generating potential capable of igniting a combustible or explosive material

a)

True

b)

False

72.

A Drawing / Sketch of proposed site must be attached with Excavation Notification

a)

To Identify Underground / above ground services

b)

As a substitute for Excavation checklist

c)

Both a & b

d)

No need to attach a drawing or sketch

73.

During hydrocarbon venting to atmosphere, any hot work permit at the location must be suspended

a)

True

b)

False

74.

Gas test is mandatory for ............................. and must be carried out by an authorized gas tester before authorizing or renewing the permit

a)

Hot Work permit

b)

Cold Work Permit

c)

Radiography permit

d)

Lifting Permit

75.

The Equipment Instrumentation or Electrical Power supply can be isolated by ?

a)

Any Person associated with the work

b)

Worksite Supervisor

c)

Nominated & authorized Person Only

d)

None of the above

76.

On Completion of work the de-isolation must be carried out by nominated & authorized personnel only

a)

True

b)

False

77.

The work site supervisor is responsible for examining the worksite to ensure that it is safe & in acceptable condition when work is suspended / Before restarting the work when returning to normal operation ?

a)

True

b)

False

78.

The permit issuer applies a ........................ lock on an energy isolating device to secure electrical isolation of the equipment or machine

a)

First

b)

Second

c)

Third

d)

Does not apply a lock

79.

A Zone in which a flammable atmosphere is likely to occur in normal operation ( Typically 10 to 1000 hours/year) is known as

a)

Zone -0 - Hazardous Area

b)

Zone-1 - Hazardous Area

c)

Zone-2 - Hazardous Area

80.

Confined Space is designed for continuous occupancy?

a)

True

b)

False

81.

Electrical tool must be a "double insulated" type; if not, it must have a 2-prong plug with an approved 2-wire cord, which is plugged into a property grounded

a)

True

b)

False

82.

Cold Work is classified as ..................................

a)

Any work that does involve a source of ignition naked flame or have spark generating potential

b)

Any work that does not involve a source of ignition or naked flame or does not have spark generating potential

c)

Both a & b

d)

None

83.

Where Should you aim a DCP /CO2 fire extinguisher nozzle when putting out a fire.

a)

At the top of the fire

b)

All the base of the fire

c)

At the center of the fire

d)

Away from the fire

84.

Any overwriting or correction fluid on the work permit invalidates it and it shall be cancelled immediately?

a)

True

b)

False

85.

All eWP soft copy permits,except cold work,are sent to Fire Team

a)

True

b)

False

86.

Confined Space Entry permit is valid for maximum seven (7) consecutive working days.

a)

True

b)

False

87.

Who issues the work permit authorization card ?

a)

Safety Team

b)

Concerned Controlling Team

c)

Asset /Directorate HSE Team

d)

None of the above

88.

Which of below is not included in Tag out Device ?

a)

Caution Notice

b)

Earthing Notice

c)

Danger Notice

d)

Location of key Notice

89.

Which of the following is false:

a)

The Issuance of work Permit does not,by itself,Make a job safe,Safety can only be achieved by the those preparing the work & those carrying out the work

b)

All concerned parties ( Permit applicant, permit issuer and worksite supervisor) shall comply with their roles and responsibilities in order to protect people,site and asset from incidents

c)

If you are not sure of any instruction on a Permit or in any doubt regarding a procedure,continue the job regardless of doubt or risk involved

d)

None of the above

90.

Flashback arresters designed to quench the flashback and release pressure shall be fitted to both fuel gas and oxygen regulators

a)

True

b)

False

91.

In case the emergency alarm is sounded,work crew shall.......................... prior to reporting at assembly point for further instruction.

a)

Cease work Immediately

b)

Stop Machinery

c)

Make worksite safe

d)

All the above

92.

Gas testing is not mandatory for which of the following permits of work is not to be carried out in an H2S-prone area?

a)

Confined Space

b)

Hot Work

c)

Cold Work

d)

Vehicle / Mobile Plant Entry

93.

Mobile Plant entry permit covers

a)

Air Compressor

b)

Welding Machines

c)

Diesel Engine Generators

d)

All of the above

94.

What are the necessary documents required prior to mechanical lifting of loads?

a)

PTW

b)

JSA

c)

Lifting Plan

d)

All of the above

95.

Oxygen Cylinder in storage shall be separated from fuel-gas cylinders or combustible materials ( especially oil or grease) a minimum distance of or by a noncombustible barrier at least 5 feet (1.5) high having a fire resistance rating of at least one half hour.

a)

2 Meter

b)

6.1 Meter

c)

10 Meter

d)

20 Meter

96.

The permit Issuer response option in e-Hot Work Permit area

a)

Save and Complete -to Send the Permit to the next member for action

b)

Send back to Permit Applicant - Return to Permit Applicant for modification

c)

Cancel work permit-to cancel the Permit

d)

All of the above

97.

What is hazard?

a)

An uncomfortable working environment

b)

A Condition with potential for causing damage to people,property or environment

c)

Job that requires an 24-hours demand

d)

A Continuous job for a long time of period

98.

A secure point of attachment for a lifeline or lanyard to prevent free fall from height. An anchorage must be capable of supporting at least .................... Pound

a)

3000

b)

4000

c)

5000

d)

6000

99.

The maximum LEL ( Lower Explosive Limit) permissible for authorized hot work is?

a)

2% LEL

b)

10% LEL

c)

0.5% LEL

d)

0% LEL

100.

What is PME stands or

a)

Prime medical Examination

b)

Preventive medical Examination

c)

Periodical Medical Examination

d)

Periodical Medical Evaluation

101.

Which team shall provide training on PTW and qualifying tests for workers as per their stipulated role?

a)

HSE Group

b)

Controlling Team

c)

Asset Team

d)

Training and Competency team

102.

For Excavations deeper than............................. a confined space entry permit is required

a)

1000 mm

b)

1200 mm

c)

1500 mm

d)

2000 mm

103.

Ladders shall be provided every .............................. of lateral travel in the trench

a)

2.5 meter

b)

5 meter

c)

7.5 meter

d)

10 meter

104.

If you suspect a material contain asbestos, you should never

a)

Cut it

b)

Sand it

c)

Drill it

d)

All of the above

105.

What is the TLV of Carbon monoxide (CO)?

a)

10 PPM

b)

20 PPM

c)

25 PPM

d)

0.5 PPM

106.

Who should understand the limitations and restrictions of the work permit in order that work may proceed safely?

a)

Permit Applicant

b)

Worksite Supervisor

c)

Permit Issuer

d)

All of the above

107.

While mounting wheel in a Grinder what should be ensured

a)

Isolated and Locked off

b)

Switched off

c)

Turned off

d)

Turned on

108.

In which situation a chin strap for Helmet Is compulsory

a)

In high windy weather

b)

Working at height

c)

Option b

d)

All of the above

109.

Prior to the re-introduction of hydrocarbons, the system shall be purged until the oxygen content level is .............. or less by volume

a)

1%

b)

2%

c)

5%

d)

19.5%

110.

What is the short form for the correct sequence to operate a fire extinguisher ?

a)

PULL

b)

PASS

c)

PUSH

d)

PACE

111.

Before a vessel or pipe work, which has contained hydrocarbons, can be opened up safely, the internals shall be

a)

Washed and or flushed and or Purged

b)

Residual H2S levels to be less than 5 PPM

c)

Proved to have residual hydrocarbon gas ( flammable gas) level equal to or less than 40% LEL for methane

d)

All of the above

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