A、increasing cooling water flow
B、increasing lube oil flow
C、dilution by fuel oil
D、adding SAE 70 oil
更多“Lubricating oil viscosity in an operating diesel engine can be reduced by（）”相关的问题
A、high TBN value B、low oil floc point C、low oil demulsibility D、low oil neutralization number
A、clogged lube oil piping B、excessive valve-guide clearance C、high lube oil viscosity D、low lube oil temperature
A、filter to remove the fuel oil B、use the settler to remove the fuel oil C、remove the fuel oil by centrifuging D、drain and then renew the lube oil supply
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