1/616
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced |
|---|
No study sessions yet.
Coast Guard Regulations (46 CFR Part 56) require all power-operated valves, other than those opened against spring force, to have an energy storage system.
That energy storage system shall be capable of cycling all connected valves from the initial valve position to the opposite position and return.
A filled water ballast tank has a permeability of
0%
For 1 Newton is equivalent to how many kilograms?
0.102 kilograms
What is the shift in the longitudinal center of gravity if 200 short tons are discharged from 30 feet forward of amidships with LCG 1.5 feet forward of amidships and displacement 9,000 short tons?
0.65 foot fwd
Chemical tankers are built with either "gravity" or "pressure" type cargo tanks. A "gravity" tank is one having a design pressure at the top of the tank of
: 0.7 bar
What is the highest permitted back-pressure for the Cargo Pump when it is tested?
1.25 times the maximum working pressure
How many maximum allowable working pressure for a type 1 portable tank fitted with pressure relief devices?
1.75 bar or more
An empty compartment has a permeability of;
100%
How many degrees of the angle of heel due to the shift of the grain required or the case of ships constructed on or after 01 January 1994 the angle of which the deck edge is immersed?
12 degrees
How many cross-curves required in the stability requirements which are sufficient in number to accurately define the curve?
12 degrees to 40 degrees
The" moduli" of wood uprights shall be determined by multiplying by the corresponding "moduli" for steel uprights.
12.5
In a Type "1" Chemical tanker (one that is certified to carry the most hazardous chemicals) the maximum amount of cargo contained in any one tank must not exceed
1250 m3
Vent fans and fan ducts located in hazardous locations, if made of ferrous materials, require a certain clearance between the impeller tips and the casing (to preclude any sparking). If you are doing an overhaul, you would ensure this clearance is at least?
13.0 mm
How many tons per hour your vessel may it burn at 18 knots if your vessel burns 8 tons of fuel per hour at 15 knots
13.82 knots
All lashings and components used for securing should possess a breaking strength of not less than
133 kN
In coils of up to 15 tons, the tank top should be dunnaged with two double lines of dunnage wood boards.
15 cm x 2.5 cm
How many percent does the permissible weardown of a sheave during its use of the diameter of the rope, in the groove which comes in contact with wire rope?
15 to 20%
When a load is lowering at a speed of 1m/sec, the maximum tension exerted on the cargo wire is sought when the cargo wire is abruptly stopped as it reaches 20m, assuming the diameter of the wire 30mm; modulus of elasticity 7 x 105 kg/sq. cm; cargo weight 5mt. Find the maximum tension exerted on the cargo wire?
16.22 mt
Lashings of timber cargo shall be not less than close link chain or flexible wire rope of equivalent strength, fitted with sliphooks and turnbuckles.
19 mm
The International Convention on Tonnage measurement was convened by IMO on the year?
1969
This was adopted by the assembly of IMO in October 1969 Resolution A.184 (VI) and commonly known as the
1969 Equivalent Grain Regulations
When was the effectivity of the Grain Code?
1-Jan-94
When was went into effect the mandatory regulations pertaining to the carriage of grain in bulk to a new document entitled "International Code for the Safe Carriage of Grain in Bulk"?
1-Jan-94
Remote controls for quick-closing shut off valves required in how many locations?
2 locations
At what pressures are P/V valves usually set to open in relation to atmospheric pressure?
2 PSI above / 0.5 PSI below
A long ton contains
2,240 pounds
A vessel hold measures 60 x 20 x 18 meter. How many boxes of 6.28 cubic meters can be stowed in the said hold with allowance for broken stowage and pallets of 14 percent?
2,957 boxes
How many per cent of oxygen content in cargo holds containing wood chips at an extremely low level and 16.77% of carbon dioxide?
2.00%
Gross tonnage is measured at what value?
2.83 cubic meters per measurement tons
What is the quick freezing temperature of non-living organic cargoes?
-20 degrees C
In hold structure of a wood chip carriers, how high is designed in order to have a large space as far as possible?
20-21 meters
How many cubic feet of space is required to stow 775 tons of a cargo with a stowage factor of 25? The estimated broken stowage is 15%
22,794 cubic ft
The TPC is 31.44, permitted fresh water sinkage is 19cm and displacement in saltwater being almost 23,900 tons; what is the equivalent displacement in fresh water
23,894 tons
A tank measuring 3m x 3m floats in sea water at a depth of 2.5 meters. Find the weight of the tank if the same floats in fresh water and the draft
23.14 cubic meter vol. of displacement/ 2.57 m draft
How many pounds in one BDU of wood chips with the absolute dry with water content of 0%?
2400 lbs.
The Grain Code is available to the public from the IMO as publication
240-E
Placards for cargo transport units should not be less than size of dangerous cards
250 mm x 250 mm
Sometimes, in order to improve suction to the pumps when discharging "light" or "gassing" cargoes, the tanks are pressurized by admission of inert gas under overpressure from the inert gas fans. In this respect one must remember that tanks are generally
2500 mm wg
On what date does the text of IMO Grain Rules and the text of Chapter VI of the International Convention for the Safety of Life at Sea 1974 which entered into force?
25-May-80
What will be the maximum unsupported span if the thickness of shifting boards is 60mm?
3.0 m
According to 46 CFR Part 61, what is the maximum allowable permitted wear on a stern tube bushing for a vessel that has its propelling machinery located amidships, with a water lubricated stern tube bearing carrying a 12 inch diameter shaft?
3/8 inch
All ships must have an annual survey carried out by a surveyor of classification society, this should preferably take place in a drydock, but the period between in-dock surveys can be extended up to
30 months
What proof load shall be applied to a cargo winch and its accessory gear which has a safe working load of 25 tons?
30 tons
What is the angle of repose of wood chips created when it freely falls from above?
43 to 45 degrees
What regulations that all ships loading at US ports on the Great Lakes must comply with the US Coast Guard Great Lakes Load Line Regulations?
46 CFR 45.9
Which CFR provides information that pertaining to sea valve inspections during a vessel dry docking?
46 CFR Part 61
When 10,000 LT of wood chips with a moisture content of 50% are loaded, the corresponding number of BDU is
4666.6 BDU
Cargo booms must be tested to rectify SWL every how many years?
5
According to Coast Guard Regulations (46 CFR), a single steel hull cargo vessel operating exclusively in freshwater, shall be drydocked, or hauled out, at intervals not to exceed
5 years
In accordance with Requirement 1, Regulation 9, Part C, Chapter VI of SOLAS 1974, as amended, and A 1.1 of the Code applies, to and is mandatory for, all ships which carry bulk grain on an international voyage, including those of less than tons gross tonnage
500 gross tonnage
Find the weight of a rectangular piece of 12.75 lbs. steel measuring 5 feet by 8 feet?
510.0 Lbs.
On what date to make mandatory the International Code for the safe carriage of grain in bulk?
59th session in May 1991
If we reduce the head to approximately 75 % of normal, what will the power consumption of the pump be?
60%
The use of aluminum alloy in a structure can result in reduction of how many percent of the weight of an equivalent steel structure
60%
A grain filled cargo compartment has a permeability of about
60-65%
How many per cent of permeability does a grain filled compartment of a vessel?
60-65%
Several cargoes require determination of pH values (acidity) which is often a measure of quality or degradation of cargo such as animal or vegetable oil during transport. A neutral solution has a pH value of
7
How many Stowage Factor designed to be loaded full and down to a wood chip carrier up to her full capacity?
70 to 80 cubic feet/metric ton
The expression TLV (Threshold Limit Value) is used to express the concentration of a substance in parts per million that a person can be exposed for a period of w/o bad effect
8 hours a day
A vessel has a mean draft of 8.98m in saltwater, displacement of 23,894 tons, TPC of 31.44 and Fresh water allowance of 19cm, what will be the mean draft in fresh water?
9.17 m
At which level will the slop-system high level alarm sound ?
98%
What is the IMDG-Code?
A code issued by IMO for use onboard vessels carrying packaged dangerous goods
It is a set of interior steps onboard a ship leading up to a deck from below
a companion way
Progressive flooding may be indicated by
A continual worsening of list or trim
What is a "Bill of Lading"?
A contract between Master/Owner and Shipper for transportation of goods
A vessel trimmed down by the bow has
a greater draft forward than aft
What will be the indication while attempting to read a tank lever indicator, the mercury column drops rapidly?
A leak in the ballast tanks
Adverse effects due to free surface will become apparent when
a portion of liquid is removed from a full tank
What is a "Mate's Receipt"?
A receipt issued by the Chief Officer, stating quantity and condition of goods loaded onboard
You are on a 10,000 ton Chemical Tanker that in addition to fixed foam monitor, is equipped with portable foam applicators. One of the applicators is lost. When ordering a new one you would order one with
A throughput of at least 400 liters a minute and a "throw" of 15 meters
How many percent of water does a green or "wet" timber cargo contains?
about 53%
Oil tank vessels, ullages are measured from the
Above deck datum
Operation of eductor - what is correct?
According to the specific eductor`s performance curve.
The distance between the upper edge of the deck line and waterline at any given time is called
Actual freeboard
Are goods carried at a freight rate according to their value
Ad valorem cargo
Who was elected President of the International Conference on Tonnage Measurement of ships, 1969 which was held in London?
Adm. Edwin J. Roland
A vessel's immediate protection in the event of a broken stern tube is a/an
bulkhead after peak
An imaginary line drawn perpendicular to the waterline where the edge of the rudder post meets the summer loadline is called
After perpendicular
Which of the following machinery remote control shutdowns is required to be tested during each regular inspection for certification?
All
In modern ship construction, high tensile steel (HTS) may be permitted in
all of the above
Which of the following precautions should always be carried out in dry-dock?
All of the above
Which requirements must be considered when loading on weather deck?
All the mentioned alternatives
What is the purpose of sheer in ship construction?
Allow the ship to ride waves with drier decks
Coast Guard Regulations (46 CFR) for materials, design, and construction of main propulsion machinery state that design standards shall be at least equivalent to the standards of the
American Bureau of Shipping (ABS)
What is this term that weight concentration in which of the following areas will cause a vessel's bottom to be subjected to tensile stress?
Amidships
During a ship to ship cargo transfer operation it is required that
An efficient engine room watch with the main engine on standby be maintained
Means the angle of heel at which openings in the hull, superstructures or deckhouses which cannot be closed weather tight, immersed
Angle of flooding
This is defined, in A.2.5, as the angle of heel at which openings in the hull, superstructures or deckhouses, which cannot be closed, weather tight, immerse
Angle of Flooding
It is the greatest angle from the horizontal to which a substance can be raised without the shifting
Angle of Repose
The boom indicator on a crane will indicate the
Angle of the boom
Where can you find this statement under the BLU Code, the port information book?
Appendix 1 Paragraph 1.1
What Appendix in the BLU Code stating the Guidelines for completing the ship/shore safety checklist?
Appendix 4
Stainless steel tanks are sometimes required to be "passivated" especially after tank surface repairs have been carried out and aggressive cargoes are to be loaded. "Passivation" normally consists of
Applying 12 - 15% nitric acid on tank surfaces, either with a brush or spray; then washing off after 10 - 20 minutes using copious amounts of fresh water.
After measuring the length to which shoring should be cut, you should cut the shore
Approximately 1/2 inch shorter than the measured length to allow for wedges
It is the weight of the body equal to the buoyant effort which is equal to the weight of the volume of the liquid displaced
Archimedes principle
Written notice sent by a carrier to a nominated party advising of the arrival of the vessel and/or a certain shipment
Arrival notice
What are the permissible loads on tank top and tween-decks?
As per Builders' specification
At which temperature should refrigerated cargoes be carried?
As stated by shipper
The collision bulkhead is located
as the first watertight bulkhead aft of the bow in the ship
The ratio between the span of a hydrofoil or airfoil, measured at right to the liquid flow to the chord of the hydrofoil, in the direction of flow is called
aspect ratio