【单选题】
The pitch ratio of a propeller is the mean pitch divided by （）.
A、the propeller diameter
B、the propeller radius
C、the pitch angle
D、the length of helix
查看正确答案
搜题
更多“The pitch ratio of a propeller is the mean pitch divided by （）.”相关的问题
第3题
A、fixed pitch propellers B、uncontrollable pitch propeller C、constant pitch propellers D、variable pitch propellers
第4题
A、Higher compression ratios create higher temperature B、Higher temperatures create higher compression ratios C、low temperatures create higher compression ratios D、Higher compression ratios create low temperatures
第8题
A、An increase in compression ratio will increase the ignition lag B、An increase in compression ratio will decrease the ignition lag C、A decrease in compression ratio will decrease the ignition lag D、A decrease in ignition lag will increase the compression ratio
第9题
A、stuffing box diameter B、direction of rotation of the screws C、pitch of the screws D、type of driving gears
