INTERVIEW QUESTION What is Job Safety Analysis? 3) What is safety policy? 4) What is safety tag? 5) What is confined space? 6) What is excavation? 7) What is scaffolding? 8) What is welding? 9) What is gas cutting? 10) What is LEL? 11) What is UEL? 12) What is BLEVE? 13) What is VCE? 14) What are the pre cautions for welding? 15) What are the pre cautions for gas cutting? 16) What are the hazards in construction? 17) Describe different types of hazards? 18) How many types inspection? 19) What is accident investigation? 20) How to investigate accidents? 21) What are advantages of JSA? ( Job safety Analysis)
Trang 1vi Near miss
vii Reportable accident
viii Non reportable accident
ix Loss Time injury
x Total disablement
xi Permanent disablement
xii Partial disablement
xiii Temporary disablement
xiv Loss Time injury
xv Dangerous Occurrence
xvi Unsafe Act
xvii Unsafe condition
2) What is Job Safety Analysis?
3) What is safety policy?
4) What is safety tag?
5) What is confined space?
14)What are the pre cautions for welding?
15)What are the pre cautions for gas cutting?
16)What are the hazards in construction?
17)Describe different types of hazards?
18)How many types inspection?
19)What is accident investigation?
20)How to investigate accidents?
21)What are advantages of JSA? ( Job safety Analysis)
Ans:
1 It helps to identify hazards and prevent accident
2 It helps to establish safe work method, working conditions and suitable plant safety rules
3 It helps to assess the safety training four heading can be used for JSA.
Trang 24 It helps to inspection the plant
a) Name of operation for JSA
b) Description of the operation
c) Hazards
d) Precautions
22)Give brief note about fork lift truck?
Ans:
1 Check breaks, lift tilt and tires.
2 Check the stability of load before moving it
3 Never leave your fork lift truck un-attend with motor running
4 Never park fork lift truck on passage way
5 Never drive with wet or greasy hands
6 Always drive with a safe speed and slow down at turning point
7 When driving without load forks about 6 inches above the floor or ground
8 Never operate trunk in gaseous area
9 Never carry a load so high that you cannot head, If necessary operate truck in reverse
10 Avoid carrying lose materials on forks
11 Never allow one to go under elevated loads
12 Warn other employees to stand clear when staking or removing materials
13 Exhaust pipe should have flame arrestor
14 Fork should be lowered to the floor when the truck is unattended
15 Stay alert t all times
23)Safety rules when using ladders?
Ans:
1.The foot wear is not greasy, oily and muddy and has a good grip on the rungs.
2 When climbing or coming down a ladder should be face the ladder side and had on with both hand.
3 Carry light tools in pockets in a shoulder bag.
4 Hold on with at least new hand if use of both hands then, use safety belt
5 Never climb higher than the third rung from the top on straight or second tired from the top on extension ladder.
6 Step ladder must be fully open and the divider locked
7 Metal ladder shall not be used near electrical equipments.
8 Metal ladder shall not be place on firm footing and at angle of 75
9 Any ladder found defect in any way should be marked do not use
10 Ladder shall not be placed on a box or drum.
11 Rubber protection on head and heel of a ladder is necessary.
24)What control measures area necessary in confined space?
Ans:
1 Enter with air line BA sets
2 Use 24v flame proof hand lamps
3 A hole watch to be kept near man hole
4 Keep fire fighting equipment ready
5 Gas test to be done to check for oxygen level
6 Provide blowers
7 Don’t smoke in confined space
8 Use ropes and harness
9 The spaces clean before entry
10 Use non sparking tools it there is any risk of flammable vapors being present.
25)How to prevent accidents of “power tools”?
Ans:
1 The operators should wear face shields or safety glasses
2 Power tools should be placed in the store room after use
Trang 33 Power tools should have protected by guards
4 Pneumatic hoses or electric cables of power tools should not pass through passage ways.
5 The electrical power tools should be properly earthed
6 Never horse play with hose of pneumatic tools
7 Power tools machines should be maintained and operated properly.
26) How to care and maintenance of hand tools?
Ans:
1 Tools must be kept clean and free from corrosion
2 Keep metal parts lightly oiled
3 Remove burrs from edges of tools and heads of chisels.
4 Tools which are not in used must be stored separately
5 A good worker regularly inspects his tools
6 Do not use tools without handles
27)Write causes of accidents?
Direct cause: Unsafe act and unsafe condition.
Indirect Cause: 1 Lack of knowledge or skill
2 Improper attitude
3 Physical or mental deficiency
28) Give some examples about unsafe act?
1 Operating any equipment without properly authority
2 Failure to warning
3 Operating at unsafe speed
4 Failure to use PPE
5 Using hands instead of tools and equipment
6 Unsafe loading or placing or stacking
7 Unsafe position/ posture
8 Working on moving equipment’s
9 Wearing loose clothes while working on running machine
10 Working at height without safety belt
29) Give some examples about unsafe conditions?
1 Un guarded machine/ equipment
7 Unsafe defective construction
8 Defective condition of tools and equipment
9 Unsafe method or procedure
10 Bad housekeeping
30)What is work permit system?
31)How many types of PPE?
There are two types of PPE
1 Respiratory 2 Non respiratory
32)How many types work permit?
Trang 4There are two types of work permit
1 Cold work permit
2 Hot work permit
33)What is blanket permit?
A blanket permit is a permit issued on the basis of location where the multiple jobs are to
be carried out at safe location
34) What is delegated work permit?
Delegated work permit used for areas requiring light control Ex : Fabrication, yards – valid– 30 days
35) What do you mean by ventilation & what are the types of ventilation?
36) An area of the factory is defined as a „Hard Hat‟ area where everyone must wear a safety
helmet Most people ignore this even though there is a safety notice If someone is injured
by something falling on their head and they are not wearing a safety helmet, who is
responsible?
a) The worker because s/he ignored the notice
b) The employer for not enforcing the rules
c) Both the worker and the employer are responsible.
d) No-one, it was just bad luck
37) Which of the following categories of materials handling equipment does a
‘counterbalanced type’ belong to?
(a) Gravity Conveyor
(b) Fork lift Trucks
4770:1991-40) If a person is heavily splashed with corrosive liquid What will you do?
(Get him quickly under running water and remove clothing)
41) What would you do before working on a pipeline?
(Isolate it Drain and purge it of fume or liquid)
42) What are the basic requirements to prevent build-up of highly flammable or toxic gases?
(Adequate ventilation)
43) What type of tools should be used on drums containing flammable liquids?
(Non-sparking tools)
44) What is acute toxicity?
(Acute toxicity is defined as that which is manifest on short exposure)
Trang 545) What is chronic toxicity?
(Chronic toxicity is defined as that which is manifest over a long period of time)
46) Where there is dust or fumes given off, where should the exhaust hood be placed?
(Where the dust or fume originate)
47) Why we use barrier cream?
(To prevent direct contact of chemicals with skin)
48) What is the well-known property of Hydrogen Sulphide?
(Odor of rotten egg)
49) What is an explosion?
(Explosion is a sudden release of pressure regardless of the source)
50) What is an autogenous ignition temperature?
(The autogenous ignition temperature is the temperature at which a small amount of asubstance will spontaneously ignite in a given atmosphere and burn without further heatinput)
51) What are aerosols?
(Aerosols are substances present in the as minute particles (dusts) as fumes (metal fumes)
or as mists (chromic acid mists)
52) Describe ISO 9001 for Safety?
53) Vapor of LPG is - than air.
The factory Act – 1948 Petroleum Act – 1934– 1962 Air Act – 1948
Indian electricity Act – 1910
Indian boilers Act – 1884
Workmen compensation Act – 1948
Employee’s state insurance Act – 1948
Environment Protection Act
Explosive Act
Petroleum Act
58) What is the boiling Point of LPG?
59) What do you mean by tool box talk?
60) What is Dust Fire?
61) What is HAZOP?
62) Write about the different types of and parts of scaffolding?
63) Discuss the hazards of static electricity in industries.
64) Difference between grounding & bonding.
65) Which Section of Factories Act 1948 covers your Safety officer?
Trang 666) Which Section of Factories Act 1948 covers your Safety Committee?
67) Define worker.
68) Define factory.
69) Define manufacturing process.
70) Define occupier.
71) Difference between unsafe act & unsafe condition.
72) Difference between safety audit & inspection.
73) What are the duties & responsibilities of safety officer?
74) Who is a competent person as per Factory Act 1948?
75) What are the benefits to insured person as per Employee’s State Insurance Act 1948? 76) What is the role of ILO for safety, health & welfare?
77) What are the main activities of ILO in the field of Safety, Health and welfare?
78) How many notifiable occupational diseases are there as per Factory Act?
79) How hydraulic test of boiler is done as per Indian Boiler Act?
80) What are the classes of explosives as per Schedule I (Rule 3) under Indian Explosive Rules? 81) What are the main objectives of Environment Protection Act 1986?
82) Explain about color coding of pipeline.
83) What are manual handling tools?
84) Define accident What are the types of accident?
85) What is noise? What are the types of accident?
86) What is the difference between guarding & fencing?
87) What is the difference between use of hook & use of jack?
88) What are the reasons of fall of person while working at height?
89) Explain difference between built in guard & safety devices.
90) What do you mean by ergonomics?
91) What checks to be done before the use of ladder?
92) What do you understand by MAH?
93) What is the difference between on-site & off site emergency plan?
94) What do you mean by mock drill?
95) What is OHSAS 18000?
96) What is ISO 14000?
97) Explain the types of Explosives and also list out any four Class of Explosives.
98) What safety precautions you will observe for sumps, pits & opening in the floor?
99) Which are the places where fencing of machinery is essential as per Factory Act 1948?
Mention the section
100)What is occupational diseases & how it differs from other diseases?
101)What is biological monitoring?
102)What are the roots of entry of hazardous dust into human body?
103)Whether occupational disease are communicable or not?
104)What is the nature of CO gas? And its effect on human body?
105)What is pre-employment medical examination?
106)What is the difference between bonding & grounding?
107)Explain LD50 & LC50.
108)What is IDLH?
Trang 7109)What is shut down period?
110)What is blasting?
111)What is demolition?
112)What is earth piling?
113)What is static electricity?
114)What is caisson?
115)What is cofferdam?
116)What is shaft sinking?
117)What is shoring?
118)What do you mean by tunneling?
119)What is boatswain’s chair?
120)What is fall arrestor?
121)What is flame arrestor?
122)What is flash back arrestor?
123)What is lighting arrestor?
124)What is the importance of a vent pipe & overflow pipe?
125)Difference between full body harness & safety belt.
126)How much dB of noise is reduced by using ear muffs in high noise area? 127)Difference between LPG & CNG.
128)What are 5 E’s of accident prevention?
129)What is OSHAS-18001?
130)Difference between Act, Rule & Standard.
131)What are different types of wire rope?
132)What is HAZCHEM code?
133)What is flame? What is the classification of flame?
134)What gases are used in welding & gas cutting?
135)What is NDT? Name two methods how NDT to be tested.
136)What is the difference between adequate & uniform lighting?
137)What are the various sources of noise?
138)What are the effects of electric current or voltage on human body?
139)What are the methods of reducing noise?
140)What is the difference between onsite & offsite emergency plan?
141)What are different types of soil?
142)Difference between airline respirator & SBA.
143)Difference between air purifying and supplied air type respirator.
144)Difference between respiratory & non respiratory PPE.
145)What is the difference between safety of running plant & construction site? 146)What do you mean by housekeeping?
147)What are the 5’S of Housekeeping?
148)What is the importance of housekeeping?
149)What is the importance of color coding of pipeline?
150)What is the difference between safety inspection & audit?
151)What is forklift?
152)What are the types of forklift trucks?
Trang 8153)Which of the following material has the highest melting point
d all of the above
155)At what angle should you hold the striker to the torch when you are ready to start welding
with fuel gas?
a straight in front
b 30 degrees
c 60 degrees
d a right angle (90 degrees)
156)The covers of electrical machines are made of
(A) soft magnetic materials.
(B) hard magnetic materials
158)Which of the following is not a procedure for relieving heat stress associated with welding?
a drinking plenty of fluids to replace lost liquids
b removing protective clothing to allow for cooling and continue working
c take frequent breaks if the heat is too much to bear
159)The main differences between types of hand saws relate to their:
a handles
b blades
c frames
d teeth.
160)A screwdriver is identified by:
a the length of its handle
b its torque
c the type of screw it fits.
d the width of its tip
161)What would you do before working on a pipeline?
(Isolate it Drain and purge it of fume or liquid)
Trang 9162)If a person is heavily splashed with corrosive liquid What will you do?
(Get him quickly under running water and remove clothing)
163)What must be provided where corrosive fluids are being used?
(Means of drenching persons with cold water Eye wash bottles)
164)What type of tools should be used on drums containing flammable liquids?
(Non-sparking tools)
165)Give four precautions when storing flammable liquids?
(Fire proof building, Fire proof electrical fitting, Means of escape, Fire appliances, Warning notice)
166)Can we use Petroleum-based Cleaners to clean Helmet? Justify your answer?
(No, The Petroleum-based Cleaners can weaken the chemical composition of the helmet shell So it is always safe and better to use the soap water solution for cleaning the helmet)
167)Mention 5 common causes of domestic accident death?
(Fall, fire, burn and death associated with fire, poisoning by liquid or solid, ingested objects, due to electrical shock)
suffocation-168)What is the minimum TV viewing distance?
(Five times the width of the screen should be the minimum viewing distance)
169)Three pins used in single phase plugs are to contact -, -, -.
(Phase, Neutral, Earth)
170)For lifting the machined components -rope must be used.
173)For which of the purpose charcoal is used in a ear-thing system?
a) To dry the earth electrode
b) To restore moisture near earth electrode.
c) To protect electrode from corrosion
d) None of the above
174)Respiratory tract constricts while inhaling and this constriction is called spasm Spasm may not lead to death (True/False)
175)Carbon monoxide combines chemically with hemoglobin to form carboxyl hemoglobin So
it is called chemical asphyxiate (True/False)
176)Respirators are the best solution to avoid inhaling irritants (True/False)
177) Never use a ladder in the horizontal position as a scaffold or work platform (True/False) 178)It is acceptable to use a metal ladder for electrical work if the floor area is dry (True/False) 179)Noise does not represent a risk below about90dB (True/False)
180)If you have supplied an employee with safety glasses and subsequently the employee
suffers an eye injury because they have not worn the glasses, your company has no further
Trang 10181)By law you must first consider the possibility of eliminating a risk like noise e.g by changing
your equipment rather than by supplying the best quality ear defenders (True/False)
182)Approved safety glasses must be worn at all times in areas where there is a risk of eye
injuries such as punctures, abrasions, contusions, or burns Protective goggles or face
shields must be worn where there is a danger of flying particles or corrosive materials.(True/False)
183)Only those employees who have been trained in the proper use of forklifts are authorized to operate them (True/False).
184) When lifting items from below arm level, you should bend your knees, not your back, to
lower your body to the object (True/False)
185)Flameproof & Explosion proof equipment’s are the same (True/False)
186)Flameproof equipment does not allow outside gas/vapour to enter the equipment.
189) Why the large pin of a 3 – pin plug is longer in size than the other two?
a) As it ensures the ear-thing connection first before phase connections, for safety.
b) As it ensures the more current to flow before phases are connected for increasedpower factor
c) All the above
d) None of the above
190)Expand LOTO
a) Lock Out & Tag Out
b) Log Out & Tag Out
c) Locked Out & Tagged Out
d) Logged Out & Tagged Out
191) The lowest temperature at which the flammable liquid gives off sufficient vapor to
continue to burn when once ignited is called:
193)Smoke detector operates:
a) When flame and illumination are produced
b) When radiation is generated
c) When visible smoke is being produced
Trang 11d) When light emanates
194)Guards are used on machine to:
a) Protect the operator from coming in contact with moving parts
b) Prevent flying particles from machine
c) To arrest splashing of fluid e.g coolant, cutting oil etc
d) All the above
195)What is the permissible noise level for 8 hours?
199)LPG is a mixture of two main gases.
a) Propane & Butane
b) Butane & Hydrogen
c) Butane & Oxygen
200)LPG is odorless, to detect LPG leak, a chemical is added to it This chemical is
a) Carbon Dioxide
b) Methyl Mercaptan
c) Hydrogen Sulphide
d) Propane
201)Portable fire extinguishers are First Aid devices & are suitable for use on fires
a) Only in their initial stage
b) That have already spread over a large area
202)The Bureau of Indian Standard (IS) divides fire into
a) 4 classes
b) 2 classes
c) 5 classes
203)What are the duties & responsibilities of Safety Officer?
204)Which Section of Factory Act 1948 covers the following?
Trang 12i Safety Officer
ii Fencing of machinery
iii Precaution in case of fire
iv Hazardous Process
205)What is fire?
206)What is fire triangle?
207)What is tetrahedron of fire?
208)What is starvation?
209)What is smothering?
210)What is cooling?
211)What are the classifications of fire?
212)What are the types of firefighting equipment?
213)What are the types of fire protection equipment?
214)What is flash point?
215)What is fire point?
216)What is ignition temperature?
217)Define LEL.
218)Define UE.
219)Difference between Combustible & flammable material.
220)What is spontaneous heat?
221)What is the acronym of RACE stands for?
a) Rescue, Alarm, Confine, Extinguish
b) Run, Alarm, Contain, Extinguish
c) Rescue, Alarm, Carry, Escape
222)What is the acronym of PASS stands for?
a) Pull, Aim, Squeeze, Sweep
b) Pull, Aim, Sweep, Squeeze
c) Push, Aim, Squeeze, Sweep
d) Push, Aim, Sweep, Squeeze
223)What are the effects of fire?
Answer:
- Smoke – poisonous, smothering, cannot see Most people are overcome by
smoke and fumes before fire burns the person
- Fumes – poisonous, unconsciousness
- Burns – internal and external
- Asphyxiation – stop breathing
- Structural collapse – some of whole of building - crush people
224)What percentage of oxygen is required for burning?
(At least 16%)
225)What are the contents of air?
(Carbon dioxide, Nitrogen, Oxygen)
226)Which is the purest form of crude oil?
227)What are the methods of transmission of heat?
(Conduction, Convection, Radiation)
Trang 13228)What do you mean by endothermic & exothermic reaction?
229)Burning plastic is really dangerous because:
a) It spits flames
b) It easily explodes
c) You need special firefighting equipment
d) It can give off toxic fumes
230)How to control electric fire?
231)What is fire extinguishing media?
232)What are the extinguishing methods?
233)To how many parts building is divided according to NBC 1983 & what are they? 234)What are the types of extinguisher?
235)What are the various parts of extinguisher?
236)Which powder is used in ABC type extinguisher?
237)What is the normal drill distance to use extinguisher?
238)What should be the angle of extinguishment while fighting fire?
a) 45 o
b) 30o
c) 60o
d) 90o
239)What are the types of breathing apparatus?
240)What are the various parts of SCBA?
241)How much volume of air is inhaled by human lungs in 1 minute? 40ltr
242)Give time duration formula of SCBA.
243)Face mask of SCBA is present in pressure line.
248)Which suit is used while using BA set?
(Fire suit, Aluminize asbestos suit, chemical).
249)What is the turnout of a fireman?
(Dangri, gum boot, helmet, BA set, torch, fireman axe, personal line)
250)What is exactly checked in BA set low line & high pressure line?
251)What is the fire safety measure used in latest advance lifts in the buildings? 252)What should be the fire safety measure used in cars or heavy passenger vehicles? 253)What is TTL?
254)What is the nozzle length of hose reel hose?
255)What is the function of Lug in female coupling?
256)Difference between delivery hose & suction hose.