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单选题
Cement wash is a mixture of cement powder and （）.
A
fresh water
B
steel
C
paint
D
wood
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Cement was seldom used in building during the Middle Ages.A:crudely
B:rarely
C:originally
D:symbolically
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It’s reported that by the end of this year the output of cement in the factory( )by about 30%. A.will have risen
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（）are the three different coatings which can protect metal from corrosion.A、Cement wash, bitumen and paintB、Metal primers, undercoats and topcoatsC、Varnishes, heat-resistant paints and anti-fouling paintsD、Cement wash, primer and undercoat
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Bridge decks, cabin doors and hand rails are usually coated with（）.A、cement washB、white gloss paintC、bitumenD、varnish
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Cement wash is used for fresh water tanks and double bottom tanks. （）A、沥青用于淡水舱和双层底舱。B、水泥浆用于淡水舱和双层底舱。C、水泥浆用于污水舱和双层底舱。D、沥青用于污水舱和双层底舱。
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The basic types of paint used on a ship are （）.A、cement wash, bitumen and paintB、primer, undercoats and top coatsC、topside paint, boot-topping paint and bottom paintD、primer, cement wash and paint
考题
最基本的保护层是油漆。（）A、The principal protective coating is paint.B、The principal protective coating is cement wash.C、The principal protective coating is bitumen.D、The principal protective coating is varnish.
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Decks, superstructure and hand rails may be washed with （）water at sea.A、seaB、ballastC、freshD、cement
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（）can give a hard-wearing surface and the required color.A、PrimersB、UndercoatsC、TopcoatsD、Cement wash
考题
单选题The basic types of paint used on a ship are （）.A
cement wash, bitumen and paintB
primer, undercoats and top coatsC
topside paint, boot-topping paint and bottom paintD
primer, cement wash and paint
考题
单选题用于船舶的主要油漆是底漆，内层漆和面漆。（）A
The basic types of paint used on a ship are primer, undercoat and topcoat.B
The basic types of paint used on a ship are topside paint, undercoat and top coat.C
The basic types of paint used on a ship are boottopping, topside and undercoat.D
The basic types of paint used on a ship are cement wash, undercoat and topside.
考题
单选题最基本的保护层是油漆。（）A
The principal protective coating is paint.B
The principal protective coating is cement wash.C
The principal protective coating is bitumen.D
The principal protective coating is varnish.
考题
单选题The pneumatic containers which store bulk dry mud additives and cement on a ship are called（）.A
mud hoppersB
bulk binsC
P-tanksD
mud tanks
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单选题It’s reported that by the end of this month the output of cement in the factory ______ by about 10%.A
will have risen B
has risenC
will be rising D
has been rising
考题
单选题Which of the followings is not an indication of a bad maintenance?（）A
a pipe with welded connectionsB
a pipe with several clipsC
a cement boxD
a leaking valve
考题
单选题Cement wash is used for fresh water tanks and double bottom tanks. （）A
沥青用于淡水舱和双层底舱。B
水泥浆用于淡水舱和双层底舱。C
水泥浆用于污水舱和双层底舱。D
沥青用于污水舱和双层底舱。
考题
单选题When loading or discharging dry mud or cement，crew members should use facial respirator masks and（）.A
gogglesB
ear plugsC
soft-soled bootsD
fireman's outfit
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