A warp end may be fitted for operating

1、（） may be fitted for operating the der

（） may be fitted for operating the derrick topping lift (the wire which adjusts the derrick height).AA capstanBA holdCA warp endDA mooring drum

2、On a ship，a fire pump may be used for

On a ship，a fire pump may be used for other purposes if（）.Athe other services are run off a reducing station with a pressure gageBa separa...

3、A fire pump may be used for other purp

A fire pump may be used for other purposes if（）.Athe other services are run off a reducing station with a pressure gageBone of the required...

4、The KM for a vessel may be determined

The KM for a vessel may be determined by which of the following?（）.AAdding the KB and the BMBSubtracting the KB from the BMCSubtracting the GM from the KBDAdding the GM and the KB

5、Allowances may be made for the expansi

Allowances may be made for the expansion and contraction in piping by the use of expansion joints or ().AUnionsBRetractable flangesCUnion bulkhead fittingsDBends or loops in the line

6、Engine operating conditions may be ind

Engine operating conditions may be indicated by the color of the exhaust smoke.Black smoke could indicate（）Aan insufficient speed droop settingBan overloaded engineCclogged drain holes in the oil control ringsDcomplete combustio