An alarm device inserted between the deaerating tank and the expansion tank can notify the on-watching crew that .
A.the expansion tank is lack of water
B.the expansion tank is over flowing
C.there is something wrong with the cooling system
D.there is something wrong with the engine
第1题:
The crude oil overflowed from measuring-hole due to ______ the valve of No.1 tank.
A.not close
B.not closing
C.not have closed
D.no closing
第2题:
关于Tank-Like小车,以下描述正确的是
A.通过控制左轮电机驱动小车前进,通过控制右轮电机驱动小车转向
B.通过控制左轮电机驱动小车转向,通过控制右轮电机驱动小车前进
C.可以通过控制左右轮电机驱动小车前进,但无法控制小车转向
D.通过控制左右轮电机驱动小车前进及转向
第3题:
3、汽车(Car)由轮子、发动机、油箱、座椅、方向盘等组成,那么,Car类和其它类(Wheel、Engin、Tank、Chair、Steering、Wheel)之间的关系是()。
A.关联关系
B.泛化关系
C.实现关系
D.依赖关系
第4题:
When referring to quantity of barite in a P-tank,ullage is the ______.
A.Distance of the barite surface above the tank bottom
B.Percentage of barite in the tank
C.Distance of the barite surface below the tank cover
D.Total weight of barite in UPC(ullages per centimeter)
第5题:
汽车(Car)由轮子、发动机、油箱、座椅、方向盘等组成,那么Car类和其他类(Wheel、 Engin、Tank、 Chair、 Steering Wheel)之间的关系是()
A.关联关系
B.泛化关系
C.实现关系
D.依赖关系
第6题:
汽车(Car)由轮子、发动机、油箱、座椅、方向盘等组成。那么car类和其他类(Wheel、Engin、Tank、Chair、SteeringWheel)之间的关系是()
A.泛化关系(Generalization)
B.实现关系(Realization)
C.包含关系(Inclusion)
D.组合关系(Composition)