GASCO exit exam questions and answer quiz contain questions Answer
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What
characteristics should insulation materials possess for use in gas carriers?
a. Low thermal conductivity, ability to bear loads
b. Ability to withstand mechanical damage, lightweight
c. Unaffected by cargo liquid or vapour
d. All the above
Which of the
following is the ultimate source of energy for us?
a. LNG
b. Nuclear
c. Solar
d. CNG
How is BOIL OFF gas generated
a. Evaporation
b. Heat ingress
c. Drop in pressure
d. All of the above
What are the
necessary condition that must be take place for an electrical discharge to occur
a. Electrostatic separation
b. Electrostatic
accumulation
c. Electrostatic discharge
d. All of the above
Gas ship's cargo
compressor room, cargo Tank area are
a. Snap back area
b. Gas free area
c. Gas dangerous
d. All of the above
On board LNG tanker which of these equipment
is not required for gas burning
a. Vacuum pump
b. Gas heater
c. Compressor
d. Steam dump on main condenser
Which of these would you consider essential
equipment to carry when working on the deck of ship carrying ammonia?
a. Gloves
b. Personal 02 meter
c. Gas mask
d. Personal hydrocarbon alarm
8. Which of these would you consider essential
equipment to carry when working on the deck of ship carrying ammonia?
a. Gloves
b. Personal 02 meter
c. Gas mask
d. Personal hydrocarbon alarm
What is the condition of the inert gas as it
produced by the boilers of inert gas generator?
a. Free of oxygen and
clean
b. Hot and containing shoot particles
c. Dry and saturated
d. Superheated and black or greyish in Colour
For what reason cargo sampling is necessary
in gas tankers?
a. To establish safe conditions prior to cargo transfer
b. To establish that the cargo is within commercially agreed specifications at various pumps
c. Both A and B *
d. None of the above
What is the main danger to be guarded against
when discharging using a cargo heater with sea water as the heating medium?
a. Over pressurizing of the gas side of the heater
b. Freezing of water
side of the heater
c. Over pressurizing of the water side of the heater
d. Over heating of the gas side of the heater
Magnesium, Titanium, Sodium, Lithium and
Potassium are classified as:
a. Class A fire
b. Class B fire
c. Class C fire
d. Class D fire
On tanker vessels which of these valve type
is most commonly used in conjunction with hydraulically actuated controls?
a. Non return valves
b. Globe valves
c. Butterfly valves
d. Gate valves
What is the critical temperature of Methane
in Deg Celsius?
a. -82.5
b. 82.5
c. 52.8
d. None of the above
On tankers vessel equipped with the power
operated cargo tank valves the type of power operator most commonly used is
a. Hydraulic
b. Electric
c. Steam
d. Diesel
A bigger Spell of LPG will be visible as
awhich is condensed water vapour from the atmosphere
a. White cloud
b. Blue cloud
c. Black cloud
d. None of these
If cargo density is different from that
specified by the float gauge manufacturer what will you adjust
a. Float correction
b. Trim correction
c. Tape correction
d. List correction
What is the
guiding rule for limiting pressure surge during loading or Discharging
a. Stop the cargo Pump
b. First close the ESD valve nearest to the pump
c. Finally close the ESD valve
d. All of the above
Why strainers are commonly installed in the
cargo piping system ?
a. To protect the cargo handling plant
b. To protect equipment from damage by foreign objects
c. Both A and B
d. None of the above
What characteristics should insulation
materials posses for use in gas carriers?
a. Low thermal conductivity, ability to bear loads
b. Ability to withstand mechanical damage Lightweight
c. Unaffected by cargo liquid or vapour
d. All of the above
Tank Relief V/V used for release of Excessive
pressure
a. True
b. False
Which safety device is fitted on the deck inert
gas line to monitor the supply condition of the inert gas?
a. The inert gas high temperature alarm
b. The inert gas low flow alarm
c. The inert gas low
pressure alarm
d. The inert gas reverse flow alarm
This liquefied gas is normally carried in its
fully refrigerated condition at its atmospheric boiling point of -104 deg C is
a. Ethylene
b. Propane
c. Butane
d. Ammonia
The space enclosed by the ships structure in
which a cargo containment system is situated called
a. Hold space
b. Compressor room
c. Motor room
d. Engine room
How much cleaner
is Natural Gas to burn?
a. Reducing Co2 emissions by 20% to 30%
b. Reducing CO emissions up to 75%
c. Reducing NOX emissions by approximately 50%
d. All of the above
If a centrifugal pump operating with a
positive suction head becomes air bound, your FIRST response should be to
a. Vent the casing
b. Tighten the packing
c. Close the discharge
d. Reprime the pump
On all gas ships any pipe work entering or leaving
the cargo tank must do so through the of the tank
a. Aft end
b. Top
c. Bottom
d. Forward End
While commencement of loading cargo direct
high pressure loading is advisable
a. True
b. False
One of the following is NOT an alarm on an
inert gas plant
a. Low pressure alarm
b. Low oxygen alarm
c. Deck seal low water alarm
d. Scrubber high water level alarm
The purpose of remotely controlled measuring
of tank levels are to measure
a. Height from liquid surface to top stringers in the tank
b. Height of liquid
in the tank
c. Height from bottom shell to top stringers in the tank
d. Height of bottom girders in the tank
