Emergency full ahead! （）A、应急全速后退B、应急全速前进C、应急半速后退D、应急半速前进

if you are ordered “full ahead”, how should you reply and report?

A large vessel is equipped with a controllable pitch propeller. Which statement is TRUE?

A.When dead in the water，it is often difficult to find the neutral position and slight headway or sternway may result

B.When going directly from full ahead to full astern，there is complete steering control

C.When the vessel has headway and the propeller is in neutral，there is no effect on rudder control

D.When maneuvering in port，full ahead or astern power can usually be obtained without changing shaft RPM

After casting off moorings at a mooring buoy in calm weather，you should______．

A.go full ahead on the engine(s)

B.back away a few lengths to clear the buoy and then go ahead on the engines

C.go half ahead on the engines and put the rudder hard right

D.go half ahead on the engines and pass upstream of the buoy

The order“______” means “Maximum maneuvering engine revolution for ahead propulsion.”

A.Full Ahead

B.Half Ahead

C.Full Astern

D.Half Astern

Please tell me ______ to reverse your engine from full ahead to full astern．

A.How length will it take

B.How long it will take

C.How long will it get

D.How much hours it will take

It takes about 12 seconds to reverse______full speed ahead______full speed astern．

A.at，to

B.to，from

C.from，to

D.at，from