To proceed to the assistance of a ship in distress is（）

Refrigerant entering the compressor of a refrigeration system should be in which of the following conditions?（）

“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）

The additional mark （）in the Classification Certificate for Machinery means propulsion apparatus is remotely controlled on the navigating bridge control station, and engine assembly control station is unmanned periodically.

When does auxiliary burner of incinerator put into operation? （）Ⅰ. start incinerator when it is coldⅡ. the sludge for dealing with is littleⅢ. the sludge for dealing with is largeⅣ. the water and impurity in sludge are too muchⅤ. the temperature in incinerator is lowⅥ. dealing with little solid rubbish

Using a file without a handle may result in （）

Flame failure in an automatically fired auxiliary boiler can from a/an （）

The shipboard oil pollution emergency plan will be invalid after （）

Under MARPOL Code the ship to which it applies has to carry （）

Which of the listed governor characteristics will greatly affect the load sharing relationship between paralleled diesel generators?（）