Questões Militares de Engenharia Naval - Logística e transporte marítimo
Foram encontradas 154 questões
( ) Single screw tugs are usually best to some alongside for assistance of a submarine.
( ) An open fixed pitch propeller develops more thrust astern than an open controllable pitch propeller when fitted in a conventional tug going full astern.
( ) The nozzle type “backing nozzle”, has been developed to give better efficiency for a tug going astern, which results in a little less efficiency going ahead.
( ) Nozzles increase the efficiency of the propeller and increase the steering capabilities of a tug.
( ) The performance of a becker rudder when the tug has speed astern is better as that of an unflapped rudder.