单选

When the ship is in restricted visibility, the officer in charge of the engineering watch shall ensure that ⅠBridge order relating to changes in speed or direction of operation are immediately implementedⅡ.auxiliary machinery used for maneuvering is readily availableⅢ.permanent air or steam pressure is available for sound signals.

A.Ⅰ+Ⅱ
B.Ⅰ+Ⅲ
C.Ⅱ+Ⅲ
D.Ⅰ+Ⅱ+Ⅲ

试题出自试卷《海船船员考试轮机部三管轮模拟题2(轮机英语)》

参考答案

查看试卷详情

相关试题

The shutter of the evaporator was blocked with _____, it means there was too much evaporation.
- A.ice
- B.wooden board
- C.iron plate
- D.cotton waste
点击查看答案
The refrigerating agent can _____ at low temperature in the evaporator.
- A.expand
- B.evaporate
- C.condense
- D.distil
点击查看答案
Which of the following pumps belongs to centrifugal pump?
- A.Piston pump
- B.Screw pump
- C.Diffuser pump
- D.Water-ring pump
点击查看答案
If the cooling water temperature and the lube oil temperature in a diesel engine are too high, the cause can be ________.
- A.a dirty lube oil strainer
- B.internal water leaks
- C.an oil suction line restriction
- D.excessive wears of the cooling water pump
点击查看答案
A substantial increase in crankcase pressure could be an indication of ______.
- A.excessive lube oil pressure
- B.the proper seating of new rings
- C.a worn cylinder liner
- D.a malfunctioning cylinder relief valve
点击查看答案
The output voltage of a three-phase alternator is regulated by the _____.
- A.AC voltage to the armature
- B.AC voltage to the field
- C.DC voltage to the armature
- D.DC voltage to the field
点击查看答案
What is the result of converting 10℃ into degree of Fahrenheit?
- A.0°F
- B.18 °F
- C.32 °F
- D.50 °F
点击查看答案
Which of the following descriptions best identifies the operating principal of a flash-type evaporator?
- A.Sea water is heated to boiling temperature while under a vacuum
- B.Sea water is passed over heated plates in a thin film
- C.Heated sea water is injected into a vacuum chamber
- D.Sea water is forced through a heated eductor
点击查看答案
_____ connected to the moving tiller will bring the floating lever pivot and the lever into line at right angles to the screw shaft axis.
- A.A cut-off lever
- B.A swivel block
- C.A cross-head
- D.A driving gear
点击查看答案
Water evaporates or steam condenses at the saturation temperature, which depends upon the pressure, the higher the pressure _____ the saturation temperature.
- A.the more
- B.the higher
- C.the lower
- D.the highest
点击查看答案