Scale accumulation on evaporator heat exchange surfaces ().
A、increases brine density
B、increases distillate salinity
C、reduces metal corrosion
D、reduces heat transfer
A、increases brine density
B、increases distillate salinity
C、reduces metal corrosion
D、reduces heat transfer
A、low compression pressure B、increased piston wear C、increased cylinder lube oil consumption D、poor contact between compression rings and liner
A、drain the accumulators and purge with oxygen B、bleed off all stored energy from the accumulators completely C、charge the accumulators to prevent system energy loss D、pump the hydraulic fluid into the accumulators to prevent fluid loss
A、a broken shaft on the freshwater pump B、an excessive accumulation of scale exchanger C、an incorrect thermostatic element operating range D、lube oil in the cooling water
A、A.latitude scale near the middle of the track line B、B.longitude scale near the middle of the track line C、C.latitude scale at the midlatitude of the chart D、D.latitude or longitude scale at the middle of the scale
A、Mercator charts/Loran charts B、Admiralty charts/Routeing charts C、large scale charts/small scale charts D、small scale charts/large scale charts
A、Admeasurement Certificate B、deadweight scale C、displacement scale D、Load Line Certificate