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You will find information about the duration of slack water in the（）.
A . Tidal Current Tables
B . Tide Tables
C . Publications from CCS
D . Sailing Directio
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The heated feed-water entering any flash chamber of a flash-type evaporator will（）
A . vaporize, with the un-flashed water remaining at the temperature at which it entered the flash chamber
B . vaporize, with the un-flashed eater equalizing to the saturation conditions existing in the f lash chamber
C . vaporize, with the remaining water a t a temperature greater than it entered the flash chamber
D . boil, allowing steam bubbles to rise through the brine at the bottom of the flash chamber
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As for turbine oil, contact with water in the form of steam will be inevitable so good （） properties will be essential.
A . defrosting
B . de-oiling
C . demulsifying
D . dehumidifying
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For a L√Opurifier, if the back pressure of the oil outlet is too high, the interface between oil and water in the bowl will （）.
A . be interrupted
B . move downwards
C . move outwards
D . retain original positio
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In an oily water separator the oil will travel （） to the oil collecting spaces.
A . upwards
B . downwards
C . outwards
D . forward
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When a vacuum boiling evaporator works, the hot jacket water will pass over the tube stack and （） the sea water passing through the tubes.
A . dispose
B . dissolve
C . heat
D . dissipate
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If you wear extra clothing when entering the water after abandoning ship it will（）.
A . weigh you down
B . preserve body heat
C . reduce your body heat
D . make it more difficult to breathe
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The water level in a steaming auxiliary boiler will always （）
A . rise when the steam pressure is increased
B . remain constant as long as the feed pump operates
C . fall when the steam pressure is decreased
D . vary as the steam demand change
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When a ship is entering to shallow water, ship resistance will be increased and the speed of main engine reduced.Due to the function of the governor, the main engine will（）
A . reduce fuel feeding
B . increase fuel feeding
C . keep original fuel feeding
D . be overspeed
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The feed water to the boiler will comprise （）.
A . condensate
B . a small amount of make-up feed
C . A and B
D . None of the above
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Which of the following pumps will most affect oily water separator performance and give the worst result?（）
A、Reciprocating pump
B、Vane pump
C、Screw pump
D、Centrifugal pump
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In an auxiliary boiler steam and water system, the highest pressure will be in the （）.
A . steam stop valve
B . dry pipe
C . feedwater system
D . generating tube
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In a diesel engine cooling system, the high temperature alarm contact maker will be activated on excessively high water discharge temperature from the （）
A . raw water pump discharge
B . expansion tank outlet
C . cooling water heat exchanger
D . outlet engine jacket water outlet
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After abandoning a vessel，water that is consumed within the first 24 hours will（）.
A . pass through the body with little absorbed by the system
B . help to prevent fatigue
C . quench thirst for only 2 hours
D . help to prevent seasickne
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The power output of a turbocharged diesel engine will drop if the cooling water flow through the after-cooler is interrupted because the （）.
A . turbocharger stalls
B . exhaust pressure increases
C . air charge density decreases
D . scavenge effect increase
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Insufficient space between the hull and bottom in shallow water will prevent normal screw currents resulting in （）.
A . waste of power
B . sudden sheering to either side
C . sluggish rudder response
D . All of the above
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The tide（）.It’s 2 hours before low water, and（）your present position you will be aground at low water.
A . falls/in
B . has been falling/on
C . has fallen/at
D . is falling/i
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Which of the following conditions will develop if the flow of ‘raw’ cooling water to diesel engine is obstructed?（）
A . Air will enter the cooling system
B . Carbon will plug the water cooled exhaust manifolds
C . The jacket water temperature will rise
D . The lube oil viscosity will increase
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A current will develop between areas of different density in ocean waters. If you face in the same direction the current is flowing，the water of（）.
A . high density will be on the left in the Northern Hemisphere
B . high density will be on the right in the Southern Hemisphere
C . low density will be on the left in the Northern Hemisphere
D . low density will be on the left in the Southern Hemisphere
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Some will water the apple trees, ( ) will weed the cotton fields.
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When the temperature is below zero， water will _______.
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75. You will find information about the duration of slack water in the _____.
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Im afraid _______ water will change the color and flavor of food.
A．boil
B．will boil
C．boils
D．boiling
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What will NOT be the effect of the Government's water buy-back scheme？
A．The regional economy of the irrigation farm will collapse.
B．Australia's agriculture will be reduced by $7～15 billion.
C．Most of Australia's agriculture product will no longer be sold into domestic market.
D．Australia will be on the edge of becoming a net importer of food.
