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31. Inert gas after
leaving the demister will consist of the following
a) Oxygen less than 5%
b) SO2 less than 2.0%
c) Water vapor 1%
d) Both A & B
32. How much volume
of air needs to be changed in pump room
a) 10 vol/hr.
b) 25 vol/hr.
c) 20 vol/hr.
d) 15 vol/hr.
33. Fixed foam
monitors having a operating capacity_____L/min
a) 1250
b) 1450
c) 1150
d) 1650
34. In tankers, the
central equipment is available either for installation in _____locations.
a) Hazardous
b) Non-hazardous
c) Under – pressurized
d) All of the above
35. Chapter 4 MARPOL annex VI was adopted on
a) 17th August 2009
b) 1st March 2012
c) 1St January 2010
d) 15th July 2011
36. The physical data
of a liquid chemical can be found on_____
a) MSDS (material safety data sheets)
b) The Information supplied by the manufacturer
c) ICS cargo data sheet
d) All of these a), b) & c)
37. Gas testing
onboard tankers can be carried out with the following equipment onboard
a) MMC
b) Thermometer
c) Gas instrument
d) Sample
38. What % of air is
made up by oxygen?
a) 78%
b) 21%
c) 100%
d) 4%
39. Does the muster
list and the emergency instruction contain information relevant only to the
deck officers?
a) Yes
b) No
c) No, all crew members and other personnel
onboard
d) No relevant to all offices
40. COW operation is conducted during?
a) Discharging operation
b) Tank cleaning operation
c) Loading operation
d) Gas freeing operation
41. Before cargo
operations start the master should establish liaison between the ship and______
a) The terminal
b) The flag state administration
c) The port authority
d) The arbor controls
42. If at sea the
inert gas low pressure alarm is activated it may be necessary to conduct____
a) Cargo heating operations to raise the pressure
b) Cargo transfer operation to raise the pressure
c) Inert gas topping up operations
d) Reduce engine speed to allow safe ingress of atmospheric air
43. When oil
temperature rises, the volume _______
a) Varies
b) Reduces
c) Increases
d) Remain the same
44. An important
publication required to be approved by the flag state and carried onboard
chemical tankers
a) The procedure and arrangements manual
b) The operation manual
c) The arrangements manual
d) The procedures manual
45. The low velocity
fog applicator used in conjunction with the all-purpose firefighting nozzle,
should always be_______________
a) Stored in the rack when not in actual use
b) Attached to the nozzle by the chain
c) Coated with heavy grease to prevent corrosion
d) Left in place in the all –purpose nozzle
46. Which safety
device is fitted on the inert gas scrubber tower to monitor the efficient
operation of the plant?
a) The inert gas low flow alarm
b) The scrubber tower high level alarm
c) The scrubber tower low pressure & non flow alarm of cooling tower
d) Both (B) & (C)
47. In IG plant,
prior starting switch on the oxygen analyzer at least ___hours before start up.
a) 2
b) 3
c) 4
d) 5
48. Start up the
scrubber tower cooling water pump and put water onto the scrubber ___mins before
starting the blowers
a) 90
b) 15
c) 60
d) 45
49. Start the blower
at __minutes before IG is required by the deck operators.
a) 30
b) 90
c) 15
d) 45
50. When loading by
gravity the last valve to be opened should be___
a) Shore tank valve
b) Ships manifold valve
c) For the cargo tank to be loaded into
d) The ships drop line valve
51. Any hawser by
which a vessel is secured to a dock or mooring. It may be made of natural
materials (manila), synthetics, (polypropylene), or wire. Under certain
circumstances the anchor chain is detached from the anchor and a section of
that is used to secure the vessel
a) Breast line
b) Spring line
c) Heaving line
d) Mooring line
52. Temperature
control of cargoes means _____
a) Applying heat in a controlled manner
b) Allowing the cargo to adopt ambient temps.
c) Allowing the cargo to heat naturally
d) Monitoring the cargo temp.
53. The narrow, empty
space between two adjacent watertight or oil tight compartments. This space is
designed to isolate the two compartments from each other and / or provide
additional buoyancy. This space is called ____
a) Void tank
b) Buoyancy tank
c) Reserve fuel tank
d) Cofferdam
54. Where the inert
gas is tapped which is led to the oxygen analyzer?
a) At the inert gas fan discharge monometer connection
b) At the inert gas discharge line to the
bulkhead valve
c) At the inert gas line from scrubber to inert gas fan (suction line)
d) At the boiler uptake
55. How should
pinching of the cargo hose between the vessel and the dock be prevented?
a) Tying of the topping lifts and runners to winch heads
b) Laying out an excess length of hose on deck
c) Adjusting the hose supports
d) Install hose preventers
56. In a sample of
ethyl acetate (CH3 COOC2H5) THE TWO oxygen atoms have the same number of
electrons but different number of neutrons. Which of the following is the
correct reason for it?
a) One of the oxygen atoms has gained electrons
b) One of the oxygen atoms has gained two neutrons
c) The two oxygen atoms are isotopes
d) The two oxygen atoms are isobars
57. Which MARPOL
annex governs the transportation of the chemical cargoes internationally?
a) V
b) II
c) III
d) I
58. Entry into cargo
tank can be made when the atmosphere is______
a) HC more than 1% LFL/O2=21%/CO=1PPM/H2S=3PPM
b) HC less Than 1% LFL/O2=21%/CO=50PPM/H2S=1PPM
c) HC less Than 1% LFL/O2=18%/CO=50PPM/H2S=1PPM
d) HC less Than 1% LFL/O2=21%/CO=0PPM/H2S=0PPM
59. Which of the
valves listed should be used either in the fully opened or the fully closed
position?
a) Any needle valves
b) Any check valves
c) A globe valves
d) A gate valves
60. Whose permission
to be obtained prior de-ballasting of ballast tanks at load/disch port
a) Master
b) 2nd /off
c) Loading /berth master
d) CH/off
