The ratio of the height of a vessel’s

1、The pitch ratio of a propeller is the

The pitch ratio of a propeller is the mean pitch divided by （）.Athe propeller diameterBthe propeller radiusCthe pitch angleDthe length of helix

2、（）indicates the weight of the vessel a

（）indicates the weight of the vessel and is,therefore,according to a well known principle of physics,equal to the weight of the water it displaces.AGross tonnageBNet tonnageCDisplacement tonnageDDeadweight tonnage

3、When the normal compression ratio of a

When the normal compression ratio of a diesel engine is not very high, misfiring at light loads may be caused by （）Aoverloading the engineBlow exhaust valve liftCexcessive cylinder coolingDinsufficient mechanical clearance

4、The test of a towing vessel’s steering

The test of a towing vessel’s steering gear control system includes each item EXCEPT（）.Aa test from the alternative power supply，if installed...

5、The ratio of output response to a spec

The ratio of output response to a specified change in the input is known as（）Aprimary feedbackBdeviationCsensitivityDdead band

6、Due to the nature of a vessel’s constr

Due to the nature of a vessel’s construction for a particular trade，it does not fully comply with the provisions of SOLAS. Where will this ...