Below is the list of questions being asked in Director General of Shipping Exit exam of Basic Training for Oil and Chemical Tanker Cargo Operations (OCTCO). These questions are very frequently asked during Director General of Shipping Exit exam. Prepare well for these exit exams so that you don’t waste time and money by again appearing for these exams.
Questions have been compiled as per feedback given by many candidates. You can also contribute by suggesting questions in the comments box.
Ques. 1 MARPOL annex 1 deals with
a] oil pollution
b] chemical pollution
c] both oil & chemical pollution
d] garbage pollution
Answer : a
Ques. 2 MARPOL annex 2 deals with noxious liquid substances
a] oil pollution
b] chemical pollution
c] both oil & chemical pollution
d] sewage pollution
Answer : b
Ques. 3 An inhibitor stops
a] polymerization
b] self reaction
c] both a & b
d] putrefaction
Answer : a
Ques. 4 TLV is
a] tiredness limiting valve
b] total limiting valve
c] threshold limit value
d] transport limit value
Answer : c
Ques. 5 A parcel chemical tanker is capable of carrying
a] same chemical on all voyages
b] different small parcels of cargo in each tank
c] only one grade of cargo
Answer : b
Ques. 6 A sudden increase of pressure of liquid in a pipeline is
a] pressure drop
b] pressure value
c] pressure surge
d] all of above
Answer : c
Ques. 7 Fire triangle consists of
a] oxygen
b] flammable material
c] ignition source
d] all
Answer : d
Ques. 8 Minimum percentage of oxygen required for fire is
a] 0.5%
b] 18%
c] 11%
d] 21%
Answer : c
Ques. 9 Minimum % of oxygen maintained in cargo oil tanks by inert gas to prevent fire is
a] 5%
b] 8%
c] 21%
d] 11%
Answer : a
Ques. 10 how many pumps inside one tank on a chemical tanker
a] one
b] two
c] three
d] none
Answer : a
Ques. 11 A pressure tank can withstand pressure of
a] more than o.7 bar gauge
b] less than o.7 bar gauge
c] all of the above
Answer : a
Ques. 12 On chemical tanker decontamination shower and eye wash is located on
a] crew wash room
b] CCR
c] main deck
Answer : c
Ques. 13 A gravity tank can be and
a] integral
b] independent
c] integral & independent both types
Answer : c
Ques. 14 Hazards associated with dangerous liquid substances are
a] flammability
b] toxicity
c] corrosivity
d] reactivity
e] all of above
Answer : c
Ques. 15 Odour threshold is measured in
a] ppt
b] ppp
c] ppm
Answer : c
Ques. 16 which hand torches can be used on tanker
a] any
b] only Duracell
c] Intrinsically safe
d] high powered
Answer : c
Ques. 17 Ullage is the distance between liquid level and
a] tank bottom
b] tank top
Answer : b
Ques. 18 can cold work create source of ignition
a] may
b] cannot
c] both
Answer : a
Ques. 19 Chipping is classified as
a] cold work
b] safe work
c] hot work
Answer : a
Ques. 20 does ventilation continue while working in pump room
a] may
b] may not
c] must
d] both a & b
Answer : c
Ques. 21 Petroleum having flash point below 60 deg C are known as
a] pure
b] safe
c] volatile
Answer : c
Ques. 22 what is the lowest temperature at which petroleum remains fluid
a] boiling pt
b] melting pt
c] Pour pt
Answer : c
Ques. 23 Cargo quantity is calculated at what temperature
a] ambient
b] local avarage
c] standard
d] all
Answer : a
Ques. 24 Dagger tubes are used for measuring which gas
a] toxic
b] oxygen
c] hydrogen
Answer : a
Ques. 25 what quantity of Hydrogen sulphide is bad for health
a] large
b] even a small
c] medium quantity
Answer : b
Ques. 26 Cargo record book is mandatory on which tankers
a] oil
b] chemical
c] both oil & chemical
Answer : b
Ques. 27 Various properties of chemical cargo are
a] melting point
b] volatility
c] vapour pressure
d] all
Answer : d
Ques. 28 Petrochemicals listed in ch 17 of IBC code are carried on a which tanker
a] chemical
b] oil c] both oil & chemical
Answer : a
Ques. 29 A Framo centrifugal pump is driven by
a] electricity
b] oil
c] hydraulic oil
Answer : c
Ques. 30 The resistance of liquid to flow is called
a] pressure surge
b] mobility
c] viscosity
d] hydraulic pressure
Answer : c
Ques. 31 The first liquid chemical tanker was delivered in the year
a] 1960
b] 1970
c] 1975
d] none of the above
Answer : a
Ques. 32 Percentage of oxygen in the atmosphere is
a] 15 %
b] 20 %
c] 21 %
d] 24 %
Answer : c
Ques. 33 All equipment used on tankers like walkie talkie, torches, camera must be
a] sturdy
b] made of brass
c] intrinsically safe
d] good quality
Answer : c
Ques. 34 Purging is the introduction of which gas into already inerted tank
a] oxygen
b] air
c] both a & b
d] inert
Answer : d
Ques. 35 Pour point is the lowest temperature at which petroleum remains _____
a] stable
b] volatile
c] pure
d] fluid
Answer : d
Ques. 36 Resuscitator is to assist / restore the
a] breathing
b] pulse rate
c] both breathing & pulse rate
Answer : c
Ques. 37 Cargo tanks can be
a] independent and integral
b] only independent
c] only integral
Answer : a
Ques. 38 Explosive meter is used for measuring % of
a] UFL
b] LEL
c] inert gas
d] hydrocarbon gas
Answer : b
Ques. 39 what type of crude is used for COW
a] dry
b] wet
c] both dry & wet
d] sweet
Answer : a
Ques. 40 Cargo residual satisfying how much IRD in lts /NM may be pumped out satisfying all other conditions
a] 10
b] 20
c] 21
d] 30
Answer : d
Ques. 41 An inhibitor is a negative catalyst
a] true
b] false
Answer : a
Ques. 42 Exothermic means giving out heat
a] true
b] false
Answer : a
Ques. 43 Adiabatic expansion means expanding without receiving heat
a] true
b] false
Answer : a
Ques. 44 A dedicated chemical tanker transports same cargo on each voyage
a] true
b] false
Answer : a
Ques. 45 All tanks are required to be fitted with PV breakers
a] true
b] false
Answer : b
Ques. 46 All tanks are fitted with pressure vacuum valve
a] true
b] false
Answer : a
Ques. 47 Only some crude oils required to be heated
a] true
b] false
Answer : a
Ques. 48 Inert gas contains ≤ 5% oxygen
a] true
b] false
Answer : a
Ques. 49 OBO ship cannot carry oil
a] true
b] false
Answer : b
Ques. 50 Defective hoses can create spillage
a] true
b] false
Answer : a
Ques. 51 Petroleum vapours are non toxic
a] true
b] false
Answer : b
Ques. 52 Cargo tank is ready for man entry after COW
a] true
b] false
Answer : b
Ques. 53 Ventilation must not continue while working in pump room
a] true
b] false
Answer : b
Ques. 54 Cargo pump trips are to be tried out prior to loading
a] true
b] false
Answer : b
Ques. 55 Enter y permit is required for entry in cargo tank and pump room
a] true
b] false
Answer : a
Ques. 56 During topping off of tank loading rate is reduced
a] true
b] false
Answer : a
Ques. 57 Hot work permit can be issued to a non gas free tank
a] true
b] false
Answer : b
Ques. 58 Flammable range of hydrocarbons is between 1:10
a] true
b] false
Answer : a
Ques. 59 The unrestricted fall of liquid in tank is known as loading overall
a] true
b] false
Answer : a
Ques. 60 Sounding is the depth between liquid level and tank bottom
a] true
b] false
Answer : a
Ques. 61 During ballast passage oil tankers are required to remain in an inerted condition
a] true
b] false
Answer : a
Ques. 62 In a tanker smoking is allowed only in designated smoking areas
a] true
b] false
Answer : a
Ques. 63 PPM means parts per million
a] true
b] false
Answer : a
Ques. 64 Ordinary hand torches cannot be used on tanker
a] true
b] false
Answer : a
Ques. 65 Crude oil washed tanks are ready for clean ballasting
a] true
b] false
Answer : a
Ques. 66 Metal hand tools can cause sparks by striking together
a] true
b] false
Answer : a
Ques. 67 Flammable gas remains in the tank after tank washing
a] true
b] false
Answer : a
Ques. 68 Gas free tanks may have to be inerted before loading
a] true
b] false
Answer : a
Ques. 69 During loading and discharging all scuppers must be plugged
a] true
b] false
Answer : a
Ques. 70 Sparkles tools are used on tankers
a] true
b] false
Answer : a
Ques. 71 Defective loading hose can cause slippage
a] true
b] false
Answer : a
Ques. 72 you must only wear oil resistant gloves on an oil tanker
a] true
b] false
Answer : a
Ques. 73 minimum oxygen concentration is the minimum quantity of oxygen required for cargo to ignite
a] true
b] false
Answer : a
Ques. 74 accommodation should always be kept at a negative pressure in tankers
a] true
b] false
Answer : b
Ques. 75 sour crude is not more dangerous than sweet crude
a] true
b] false
Answer : b
Ques. 76 an oil tanker under NLS certification may carry some chemical cargoes
a] true
b] false
Answer : b
Ques. 77 orange juice is carried on chemical tankers
a] true
b] false
Answer : a
Ques. 78 type of chemical tankers and type of tanks are two different concepts on chemical tankers
a] true
b] false
Answer : a
Ques. 79 dilute acid is more dangerous than concentrated acid due to its oxidizing properties
a] true
b] false
Answer : a
Ques. 80 both acids & alkalies are equally dangerous
a] true
b] false
Answer : a
