单项选择题
（） connected to the moving tiller will bring the floating lever pivot and the lever into line at right angles to the screw shaft axis.
A.A cut-off lever
B.A swivel block
C.A cross-head
D.A driving gear
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相关考题
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单项选择题
Two rams of the hydraulic gear are linked at their outer ends to （） by a crosshead and swivel block.
A.the piston rod
B.the tiller arm
C.the connecting rod
D.the rudder -
单项选择题
Excessively warm water leaving condenser may be caused by（）
A.fouled tubes in shell and tube condenser
B.too little or too warm condenser water
C.air or non-condensable gas in system
D.overcharge of refrigerant -
单项选择题
（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.
A.The winch motor
B.The band brake
C.The winch barrel
D.The anchor capstan
