A、10%
B、15%
C、20%
D、25%
更多“For auxiliary engines the permissible overload is （） for one hour every twelve hours.”相关的问题
A、an auxiliary reservoir B、a controlling air bottle C、an emergency air compressor D、a main air compressor
A、A.check the air filter for obstruction B、B.check for an exhaust leak C、C.check the exhaust temperature D、D.secure the engine
A、the main engines B、the auxiliary engines C、the emergency generator engine D、the auxiliary engines and the main engine(s)
A、A.low pressure at all times B、B.full pressure at all times C、C.low pressure at intermittence D、D.full pressure at intermittence
A、space limitations prevent separately run pipes B、the engines are small auxiliary units C、they are arranged to prevent gas backflow to each engine D、a waste heat boiler is installed
A、improve skirt lubrication B、allow for expansion C、transmit forces evenly D、improve the piston seal
A、A.counterbalance the crank throws on the crankshaft B、B.keep the engine running smoothly between power stroke C、C.provide a belt-driving surface for the operation of auxiliary machinery D、D.prevent the engine from overspeeding
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