单项选择题
A.purifier B.oil/water separator C.incinerator D.distiller
Duty officer informs us that the vessel is out of harbo...
单项选择题Duty officer informs us that the vessel is out of harbor and in “Full Ahead”We are going to run ().
A.diesel oil instead of fuel oil B.fuel oil instead of diesel oil C.diesel oil instead fuel oil D.fuel oil instead diesel oil
The bearing cap and shell are replaced and tightened up...
单项选择题The bearing cap and shell are replaced and tightened up until ().
A.the “ nip ”is zero B.the “ nap ” is zero C.the “ gap ”is correct D.the “ clearance ” is correct
In ()the control action is independent on the output.A....
单项选择题In ()the control action is independent on the output.
A.a closed loop control system B.an open loop control system C.a boiler control system D.a steering gear