A、angle that the propeller makes with a free stream of water
B、angle that the propeller makes with the surface of the water
C、number of feet per revolution the propeller is designed to advance in still water without slip
D、positive pressure resulting from the difference of the forces on both sides of the moving propeller in still water without slip
更多“The pitch of a propeller is a measure of the（）.”相关的问题
A、fixed pitch propellers B、uncontrollable pitch propeller C、constant pitch propellers D、variable pitch propellers
A、stuffing box diameter B、direction of rotation of the screws C、pitch of the screws D、type of driving gears
A、for FP, once fitted, the position of the blades can also be changed in operation B、for CP, once fitted, the position of the blades can also be changed in operation C、the CP type has a relatively smaller hub compared with the FP propellers D、the FP type has a relatively larger hub compared with the CP propellers
A、corrosion on the gears B、excessive gear speed C、dirt in the oil D、misalignment of the gears
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